Merge pull request #6 from Shabinder/develop

Develop Branch Merge For v1.6

.idea/dictionaries/shabinder.xml

@@ -1,14 +1,22 @@
 <component name="ProjectDictionaryState">
   <dictionary name="shabinder">
     <words>
+      <w>albumseokey</w>
+      <w>amita</w>
+      <w>cardview</w>
+      <w>cherrypick</w>
       <w>downloadrecord</w>
       <w>emoji</w>
       <w>ffmpeg</w>
       <w>flyer</w>
+      <w>gaana</w>
+      <w>gener</w>
+      <w>hqdefault</w>
       <w>insta</w>
       <w>instagram</w>
       <w>jetbrains</w>
       <w>kotlinx</w>
+      <w>linkedin</w>
       <w>mainfragment</w>
       <w>maxresdefault</w>
       <w>moshi</w>
@@ -17,14 +25,17 @@
       <w>musicplaceholder</w>
       <w>raleway</w>
       <w>semibold</w>
+      <w>seokey</w>
       <w>shabinder</w>
       <w>singh</w>
+      <w>snackbar</w>
       <w>spoti</w>
       <w>spotiflyer</w>
       <w>spotify</w>
       <w>spotifydownloader</w>
       <w>spotifyler</w>
       <w>thru</w>
+      <w>weyfdnx</w>
       <w>youtu</w>
     </words>
   </dictionary>

app/build.gradle

@@ -21,22 +21,23 @@ apply plugin: 'kotlin-android-extensions'
 apply plugin: 'kotlin-kapt'
 apply plugin: "androidx.navigation.safeargs.kotlin"
 apply plugin: 'dagger.hilt.android.plugin'
-//apply plugin: 'kotlinx-serialization'
+apply plugin: 'kotlinx-serialization'
 
 android {
     compileSdkVersion 29
     buildToolsVersion "30.0.2"
 
     buildFeatures{
-        dataBinding = true
+        //dataBinding = true
+        viewBinding = true
     }
 
     defaultConfig {
         applicationId 'com.shabinder.spotiflyer'
         minSdkVersion 22
         targetSdkVersion 29
-        versionCode 7
+        versionCode 8
-        versionName "1.5.1"
+        versionName "1.6"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
     packagingOptions {
@@ -90,8 +91,10 @@ dependencies {
     implementation 'com.google.android.material:material:1.2.1'
     implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.4.0'
     implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.4.0'
+    implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.0.1"
 
     implementation "androidx.room:room-runtime:2.2.5"
+    implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.2.0'
     kapt "androidx.room:room-compiler:2.2.5"
     implementation "androidx.room:room-ktx:2.2.5"
     implementation "com.google.dagger:hilt-android:$hilt_version"
@@ -115,10 +118,13 @@ dependencies {
     implementation 'com.squareup.moshi:moshi:1.11.0'
     implementation 'com.squareup.moshi:moshi-kotlin:1.11.0'
     implementation "com.squareup.retrofit2:converter-moshi:2.9.0"
+    implementation "com.squareup.retrofit2:converter-scalars:2.9.0"
+    implementation 'com.beust:klaxon:5.4'
+    implementation 'me.xdrop:fuzzywuzzy:1.3.1'
 
     implementation 'com.mpatric:mp3agic:0.9.1'
     implementation 'com.shreyaspatil:EasyUpiPayment:3.0.0'
-    implementation 'com.github.sealedtx:java-youtube-downloader:2.4.2'
+    implementation 'com.github.sealedtx:java-youtube-downloader:2.4.4'
     implementation "androidx.tonyodev.fetch2:xfetch2:3.1.5"
     implementation 'com.github.javiersantos:AppUpdater:2.7'
 

app/proguard-rules.pro

@@ -11,7 +11,25 @@
 #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
 #   public *;
 #}
+-keepattributes *Annotation*, InnerClasses
+-dontnote kotlinx.serialization.AnnotationsKt # core serialization annotations
 
+# kotlinx-serialization-json specific. Add this if you have java.lang.NoClassDefFoundError kotlinx.serialization.json.JsonObjectSerializer
+-keepclassmembers class kotlinx.serialization.json.* {
+    *** Companion;
+}
+-keepclasseswithmembers class kotlinx.serialization.json.* {
+    kotlinx.serialization.KSerializer serializer(...);
+}
+
+# Change here com.yourcompany.yourpackage
+-keep,includedescriptorclasses class com.shabinder.spotiflyer.**$$serializer { *; } # <-- change package name to your app's
+-keepclassmembers class com.shabinder.spotiflyer* { # <-- change package name to your app's
+    *** Companion;
+}
+-keepclasseswithmembers class com.shabinder.spotiflyer.* { # <-- change package name to your app's
+    kotlinx.serialization.KSerializer serializer(...);
+}
 # Uncomment this to preserve the line number information for
 # debugging stack traces.
 #-keepattributes SourceFile,LineNumberTable

app/src/main/java/com/shabinder/spotiflyer/MainActivity.kt

@@ -21,24 +21,24 @@ import android.Manifest
 import android.annotation.SuppressLint
 import android.content.Context
 import android.content.Intent
-import android.content.SharedPreferences
 import android.net.Uri
 import android.os.Build
 import android.os.Bundle
 import android.os.PowerManager
 import android.provider.Settings
 import android.util.Log
+import android.view.View
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.app.AppCompatDelegate
-import androidx.databinding.DataBindingUtil
 import androidx.lifecycle.ViewModelProvider
+import androidx.navigation.NavController
+import androidx.navigation.findNavController
 import com.github.javiersantos.appupdater.AppUpdater
 import com.github.javiersantos.appupdater.enums.UpdateFrom
 import com.shabinder.spotiflyer.databinding.MainActivityBinding
-import com.shabinder.spotiflyer.downloadHelper.SpotifyDownloadHelper
+import com.shabinder.spotiflyer.networking.SpotifyService
-import com.shabinder.spotiflyer.utils.SpotifyService
+import com.shabinder.spotiflyer.networking.SpotifyServiceTokenRequest
-import com.shabinder.spotiflyer.utils.SpotifyServiceTokenRequest
+import com.shabinder.spotiflyer.utils.*
-import com.shabinder.spotiflyer.utils.createDirectories
 import com.squareup.moshi.Moshi
 import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.launch
@@ -49,49 +49,48 @@ import retrofit2.Retrofit
 import retrofit2.converter.moshi.MoshiConverterFactory
 import javax.inject.Inject
 
+/*
+* This is App's God Activity
+* */
 @Suppress("DEPRECATION")
 @AndroidEntryPoint
 class MainActivity : AppCompatActivity(){
     private var spotifyService : SpotifyService? = null
-    private var isConnected: Boolean = false
-    private var sharedPref :SharedPreferences? = null
-    private var token :String =""
     private lateinit var binding: MainActivityBinding
+    lateinit var snackBarAnchor: View
     private lateinit var sharedViewModel: SharedViewModel
-    @Inject lateinit var spotifyServiceTokenRequest: SpotifyServiceTokenRequest
+    private lateinit var navController: NavController
     @Inject lateinit var moshi: Moshi
+    @Inject lateinit var spotifyServiceTokenRequest: SpotifyServiceTokenRequest
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        binding = DataBindingUtil.setContentView(this, R.layout.main_activity)
-        sharedViewModel = ViewModelProvider(this).get(SharedViewModel::class.java)
         //Enabling Dark Mode
         AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_YES)
-        sharedPref = this.getPreferences(Context.MODE_PRIVATE)
+        binding = MainActivityBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+        sharedViewModel = ViewModelProvider(this).get(SharedViewModel::class.java)
+        navController = findNavController(R.id.navHostFragment)
+        snackBarAnchor = binding.snackBarPosition
 
-        //starting Notification and Downloader Service!
+        authenticateSpotify()
-        SpotifyDownloadHelper.startService(this)
-
-        if(sharedViewModel.spotifyService.value == null){
-            authenticateSpotify()
-        }else{
-            implementSpotifyService(sharedViewModel.accessToken.value!!)
-        }
 
         requestPermission()
         disableDozeMode()
         checkIfLatestVersion()
         createDirectories()
-        isConnected = sharedViewModel.isOnline(this)
+        Log.i("Connection Status", isOnline().toString())
-        sharedViewModel.isConnected.value = isConnected
+
-        Log.i("Connection Status", isConnected.toString())
+        //starting Notification and Downloader Service!
+        startService(this)
 
         handleIntentFromExternalActivity()
     }
 
     override fun onNewIntent(intent: Intent?) {
         super.onNewIntent(intent)
-        Log.i("NEW INTENT", "Received")
+        //Return to MainFragment For Further Processing of this Intent
+        navController.popBackStack(R.id.mainFragment,false)
         handleIntentFromExternalActivity(intent)
     }
 
@@ -102,9 +101,10 @@ class MainActivity : AppCompatActivity(){
                 this.getSystemService(Context.POWER_SERVICE) as PowerManager
             val isIgnoringBatteryOptimizations = pm.isIgnoringBatteryOptimizations(packageName)
             if (!isIgnoringBatteryOptimizations) {
-                val intent = Intent()
+                val intent = Intent().apply{
-                intent.action = Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS
+                    action = Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS
-                intent.data = Uri.parse("package:$packageName")
+                    data = Uri.parse("package:$packageName")
+                }
                 startActivityForResult(intent, 1233)
             }
         }
@@ -139,13 +139,13 @@ class MainActivity : AppCompatActivity(){
                     "Bearer $token"
                 ).build()
             chain.proceed(request)
-        })
+        }).addInterceptor(NetworkInterceptor())
 
         val retrofit = Retrofit.Builder()
-                .baseUrl("https://api.spotify.com/v1/")
+            .baseUrl("https://api.spotify.com/v1/")
-                .client(httpClient.build())
+            .client(httpClient.build())
-                .addConverterFactory(MoshiConverterFactory.create(moshi))
+            .addConverterFactory(MoshiConverterFactory.create(moshi))
-                .build()
+            .build()
 
         spotifyService = retrofit.create(SpotifyService::class.java)
         sharedViewModel.spotifyService.value = spotifyService
@@ -154,16 +154,13 @@ class MainActivity : AppCompatActivity(){
 
     fun authenticateSpotify() {
         sharedViewModel.uiScope.launch {
-            if (isConnected) {
+            Log.i("Spotify Authentication","Started")
-                Log.i("Post Request", "Made")
+            val token = spotifyServiceTokenRequest.getToken()
-                token = spotifyServiceTokenRequest.getToken()!!.access_token
+            token.value?.let {
-                implementSpotifyService(token)
+                showMessage("Success: Spotify Token Acquired",isSuccess = true)
-                Log.i("Post Request", token)
+                implementSpotifyService(it.access_token)
-                sharedViewModel.accessToken.value = token
-            }else{
-                Log.i("network", "unavailable")
-//                sharedViewModel.showAlertDialog(resources,this@MainActivity)
             }
+            Log.i("Spotify Token", token.value.toString())
         }
     }
 
@@ -188,25 +185,14 @@ class MainActivity : AppCompatActivity(){
         }
     }
 
-    override fun onSaveInstanceState(savedInstanceState: Bundle) {
-        savedInstanceState.putString("token", token)
-        super.onSaveInstanceState(savedInstanceState)
-    }
-    override fun onRestoreInstanceState(savedInstanceState: Bundle) {
-        if (savedInstanceState.getString("token") ==""){
-            super.onRestoreInstanceState(savedInstanceState)
-        }else{
-            implementSpotifyService(savedInstanceState.getString("token")!!)
-            super.onRestoreInstanceState(savedInstanceState)
-        }
-    }
-
     private fun checkIfLatestVersion() {
         val appUpdater = AppUpdater(this)
             .showAppUpdated(false)//true:Show App is Update Dialog
             .setUpdateFrom(UpdateFrom.XML)
             .setUpdateXML("https://raw.githubusercontent.com/Shabinder/SpotiFlyer/master/app/src/main/res/xml/app_update.xml")
             .setCancelable(false)
+            .setButtonDoNotShowAgain("Remind Later")
+            .setButtonDoNotShowAgainClickListener { dialog, _ -> dialog.dismiss()  }
             .setButtonUpdateClickListener { _, _ ->
                 val uri: Uri =
                     Uri.parse("http://github.com/Shabinder/SpotiFlyer/releases")
@@ -220,11 +206,10 @@ class MainActivity : AppCompatActivity(){
     }
 
     companion object{
-        private var instance = MainActivity()
+        private lateinit var instance: MainActivity
-        fun getInstance():MainActivity{
+        fun getInstance():MainActivity = instance
-            return instance
-        }
     }
+
     init {
         instance = this
     }

app/src/main/java/com/shabinder/spotiflyer/SharedViewModel.kt

@@ -17,49 +17,22 @@
 
 package com.shabinder.spotiflyer
 
-import android.content.Context
-import android.content.res.Resources
-import android.net.ConnectivityManager
-import android.os.Environment
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
-import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import com.shabinder.spotiflyer.networking.SpotifyService
-import com.shabinder.spotiflyer.utils.SpotifyService
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
-import java.io.File
 
 class SharedViewModel : ViewModel() {
-    var intentString = MutableLiveData<String>().apply { value = "" }
+    var intentString = MutableLiveData<String>()
     var spotifyService = MutableLiveData<SpotifyService>()
-    var accessToken = MutableLiveData<String>().apply { value = "" }
-    var isConnected = MutableLiveData<Boolean>().apply { value = false }
-    val defaultDir = Environment.DIRECTORY_MUSIC + File.separator + "SpotiFlyer" + File.separator + ".Images" + File.separator
-
 
     private var viewModelJob = Job()
-
     val uiScope = CoroutineScope(Dispatchers.Main + viewModelJob)
 
     override fun onCleared() {
         super.onCleared()
         viewModelJob.cancel()
     }
-
-     fun showAlertDialog(resources:Resources,context: Context){
-        MaterialAlertDialogBuilder(context,R.style.AlertDialogTheme)
-            .setTitle(resources.getString(R.string.title))
-            .setMessage(resources.getString(R.string.supporting_text))
-            .setPositiveButton(resources.getString(R.string.cancel)) { _, _ ->
-                // Respond to neutral button press
-            }
-            .show()
-    }
-    fun isOnline(context: Context): Boolean {
-        val cm =
-            context.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
-        val netInfo = cm.activeNetworkInfo
-        return netInfo != null && netInfo.isConnectedOrConnecting
-    }
 }

app/src/main/java/com/shabinder/spotiflyer/downloadHelper/DownloadHelper.kt

@@ -0,0 +1,166 @@
+/*
+ * Copyright (C)  2020  Shabinder Singh
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.shabinder.spotiflyer.downloadHelper
+
+import android.annotation.SuppressLint
+import android.os.Environment
+import android.os.Handler
+import android.util.Log
+import android.view.View
+import android.view.animation.AlphaAnimation
+import android.view.animation.Animation
+import android.widget.TextView
+import android.widget.Toast
+import com.shabinder.spotiflyer.SharedViewModel
+import com.shabinder.spotiflyer.models.DownloadObject
+import com.shabinder.spotiflyer.models.DownloadStatus
+import com.shabinder.spotiflyer.models.TrackDetails
+import com.shabinder.spotiflyer.networking.YoutubeMusicApi
+import com.shabinder.spotiflyer.networking.makeJsonBody
+import com.shabinder.spotiflyer.utils.*
+import com.shabinder.spotiflyer.utils.Provider.defaultDir
+import com.shabinder.spotiflyer.utils.Provider.mainActivity
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import retrofit2.Call
+import retrofit2.Callback
+import retrofit2.Response
+import java.io.File
+
+object DownloadHelper {
+
+    var statusBar:TextView? = null
+    var youtubeMusicApi: YoutubeMusicApi? = null
+    var sharedViewModel: SharedViewModel? = null
+
+    private var total = 0
+    private var processed = 0
+    var notFound = 0
+
+    /**
+     * Function To Download All Tracks Available in a List
+     **/
+    suspend fun downloadAllTracks(
+        type:String,
+        subFolder: String?,
+        trackList: List<TrackDetails>) {
+        resetStatusBar()// For New Download Request's Status
+        val downloadList = ArrayList<DownloadObject>()
+        withContext(Dispatchers.Main){
+            total += trackList.size // Adding New Download List Count to StatusBar
+            trackList.forEachIndexed { index, it ->
+                if(!isOnline()){
+                    showNoConnectionAlert()
+                    return@withContext
+                }
+                if(it.downloaded == DownloadStatus.Downloaded){//Download Already Present!!
+                    processed++
+                    if(index == (trackList.size-1)){//LastElement
+                        Handler().postDelayed({
+                            //Delay is Added ,if a request is in processing it may finish
+                            Log.i("Spotify Helper","Download Request Sent")
+                            sharedViewModel?.uiScope?.launch (Dispatchers.Main){
+                                showMessage("Download Started, Now You can leave the App!")
+                            }
+                            startService(mainActivity,downloadList)
+                        },3000)
+                    }
+                }else{
+                    val searchQuery = "${it.title} - ${it.artists.joinToString(",")}"
+                    val jsonBody = makeJsonBody(searchQuery.trim()).toJsonString()
+                    youtubeMusicApi?.getYoutubeMusicResponse(jsonBody)?.enqueue(
+                        object : Callback<String>{
+                            override fun onResponse(call: Call<String>, response: Response<String>) {
+                                sharedViewModel?.uiScope?.launch {
+                                    val videoId = sortByBestMatch(
+                                        getYTTracks(response.body().toString()),
+                                        trackName = it.title,
+                                        trackArtists = it.artists,
+                                        trackDurationSec = it.durationSec
+                                    ).keys.firstOrNull()
+                                    Log.i("Spotify Helper Video ID",videoId ?: "Not Found")
+
+                                    if(videoId.isNullOrBlank()) {notFound++ ; updateStatusBar()}
+                                    else {//Found Youtube Video ID
+                                        val outputFile: String =
+                                            Environment.getExternalStorageDirectory().toString() + File.separator +
+                                                    defaultDir +
+                                                    removeIllegalChars(type) + File.separator +
+                                                    (if (subFolder == null) { "" }
+                                                    else { removeIllegalChars(subFolder) + File.separator }
+                                                            + removeIllegalChars(it.title) + ".m4a")
+
+                                        val downloadObject = DownloadObject(
+                                            trackDetails = it,
+                                            ytVideoId = videoId,
+                                            outputFile = outputFile
+                                        )
+                                        processed++
+                                        sharedViewModel?.uiScope?.launch(Dispatchers.Main) {
+                                            updateStatusBar()
+                                        }
+                                        downloadList.add(downloadObject)
+                                        if(index == (trackList.size-1)){//LastElement
+                                            Handler().postDelayed({
+                                                //Delay is Added ,if a request is in processing it may finish
+                                                Log.i("Spotify Helper","Download Request Sent")
+                                                sharedViewModel?.uiScope?.launch (Dispatchers.Main){
+                                                    Toast.makeText(mainActivity,"Download Started, Now You can leave the App!", Toast.LENGTH_SHORT).show()
+                                                }
+                                                startService(mainActivity,downloadList)
+                                            },5000)
+                                        }
+                                    }
+                                }
+                            }
+                            override fun onFailure(call: Call<String>, t: Throwable) {
+                                if(t.message.toString().contains("Failed to connect")) showMessage("Failed, Check Your Internet Connection!")
+                                Log.i("YT API Req. Fail",t.message.toString())
+                            }
+                        }
+                    )
+                }
+                updateStatusBar()
+            }
+            animateStatusBar()
+        }
+    }
+
+    private fun resetStatusBar() {
+        total = 0
+        processed = 0
+        notFound = 0
+        updateStatusBar()
+    }
+
+    private fun animateStatusBar() {
+        val anim: Animation = AlphaAnimation(0.3f, 0.9f)
+        anim.duration = 1500 //You can manage the blinking time with this parameter
+        anim.startOffset = 20
+        anim.repeatMode = Animation.REVERSE
+        anim.repeatCount = Animation.INFINITE
+        statusBar?.animation = anim
+    }
+
+    @SuppressLint("SetTextI18n")
+    fun updateStatusBar() {
+        statusBar!!.visibility = View.VISIBLE
+        statusBar?.text = "Total: $total  ${getEmojiByUnicode(0x2705)}: $processed   ${getEmojiByUnicode(0x274C)}: $notFound"
+    }
+}

app/src/main/java/com/shabinder/spotiflyer/downloadHelper/SpotifyDownloadHelper.kt

@@ -1,289 +0,0 @@
-/*
- * Copyright (C)  2020  Shabinder Singh
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package com.shabinder.spotiflyer.downloadHelper
-
-import android.annotation.SuppressLint
-import android.content.Context
-import android.content.Intent
-import android.os.Build
-import android.os.Environment
-import android.os.Handler
-import android.util.Log
-import android.view.View
-import android.view.animation.AlphaAnimation
-import android.view.animation.Animation
-import android.webkit.WebView
-import android.webkit.WebViewClient
-import android.widget.TextView
-import androidx.core.content.ContextCompat
-import com.github.kiulian.downloader.YoutubeDownloader
-import com.github.kiulian.downloader.model.formats.Format
-import com.github.kiulian.downloader.model.quality.AudioQuality
-import com.shabinder.spotiflyer.models.DownloadObject
-import com.shabinder.spotiflyer.models.Track
-import com.shabinder.spotiflyer.ui.spotify.SpotifyViewModel
-import com.shabinder.spotiflyer.utils.getEmojiByUnicode
-import com.shabinder.spotiflyer.worker.ForegroundService
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.launch
-import kotlinx.coroutines.withContext
-import java.io.File
-
-object SpotifyDownloadHelper {
-    var webView:WebView? = null
-    var context : Context? = null
-    var statusBar:TextView? = null
-    val defaultDir = Environment.DIRECTORY_MUSIC + File.separator + "SpotiFlyer" + File.separator
-    var spotifyViewModel: SpotifyViewModel? = null
-    private var isBrowserLoading = false
-    private var total = 0
-    private var Processed = 0
-    private var notFound = 0
-    private var listProcessed:Boolean = false
-    var youtubeList = mutableListOf<YoutubeRequest>()
-
-    /**
-     * Function To Download All Tracks Available in a List
-     **/
-    suspend fun downloadAllTracks(
-        type:String,
-        subFolder: String?,
-        trackList: List<Track>, ytDownloader: YoutubeDownloader?) {
-        withContext(Dispatchers.Main){
-            total += trackList.size // Adding New Download List Count to StatusBar
-            trackList.forEach {
-                if(it.downloaded == "Downloaded"){//Download Already Present!!
-                    Processed++
-                }else{
-                    if(isBrowserLoading){//WebView Busy!!
-                        if (listProcessed){//Previous List request progress check
-                            getYTLink(type,subFolder,ytDownloader,"${it.name} ${it.artists?.get(0)?.name ?:""}", it)
-                            listProcessed = false//Notifying A list Processing Started
-                        }else{//Adding Requests to a Queue
-                            youtubeList.add(YoutubeRequest(type,subFolder,ytDownloader,"${it.name} ${it.artists?.get(0)?.name ?:""}", it))
-                        }
-                    }else{
-                        getYTLink(type,subFolder,ytDownloader,"${it.name} ${it.artists?.get(0)?.name ?:""}", it)
-                    }
-                }
-                updateStatusBar()
-            }
-            animateStatusBar()
-        }
-    }
-
-
-
-    //TODO CleanUp here and there!!
-    @SuppressLint("SetJavaScriptEnabled")
-    suspend fun getYTLink(type:String,
-                          subFolder:String?,
-                          ytDownloader: YoutubeDownloader?,
-                          searchQuery: String,
-                          track: Track){
-        isBrowserLoading = true // Notify Web View Started Loading
-        val searchText = searchQuery.replace("\\s".toRegex(), "+")
-        val url = "https://www.youtube.com/results?sp=EgIQAQ%253D%253D&q=$searchText"
-        Log.i("DH YT LINK ",url)
-        applyWebViewSettings(webView!!)
-        withContext(Dispatchers.Main){
-            webView!!.loadUrl(url)
-            webView!!.webViewClient = object : WebViewClient() {
-                override fun onPageFinished(view: WebView?, url: String?) {
-                    super.onPageFinished(view, url)
-                    view?.evaluateJavascript(
-                        "document.getElementsByClassName(\"yt-simple-endpoint style-scope ytd-video-renderer\")[0].href"
-                    ) { value ->
-                        Log.i("YT-id Link", value.toString().replace("\"", ""))
-                        val id = value!!.substringAfterLast("=", "error").replace("\"", "")
-                        Log.i("YT-ID", id)
-                        if (id != "error") {//Link extracting error
-                            Processed++
-                            downloadFile(subFolder, type, track, ytDownloader, id)
-                        }else notFound++
-                        updateStatusBar()
-                        if (youtubeList.isNotEmpty()) {
-                            val request = youtubeList[0]
-                            spotifyViewModel!!.uiScope.launch {
-                                getYTLink(
-                                    request.type,
-                                    request.subFolder,
-                                    request.ytDownloader,
-                                    request.searchQuery,
-                                    request.track
-                                )
-                            }
-                            youtubeList.remove(request)
-                            if (youtubeList.size == 0) {//list processing completed , webView is free again!
-                                isBrowserLoading = false
-                                listProcessed = true
-                            }
-                        } else {//YT List Empty....Maybe it was one Single Download
-                            Handler().postDelayed({//Delay of 1.5 sec
-                                if (youtubeList.isEmpty()) {//Lets Make It sure , There are No more Downloads In Queue.....
-                                    isBrowserLoading = false
-                                    listProcessed = true
-                                }
-                            }, 1500)
-                        }
-                    }
-                }
-            }
-        }
-    }
-
-    private fun updateStatusBar() {
-        statusBar!!.visibility = View.VISIBLE
-        statusBar?.text = "Total: $total  ${getEmojiByUnicode(0x2705)}: $Processed   ${getEmojiByUnicode(0x274C)}: $notFound"
-    }
-
-
-    fun downloadFile(subFolder: String?, type: String, track:Track, ytDownloader: YoutubeDownloader?, id: String) {
-        spotifyViewModel!!.uiScope.launch {
-            withContext(Dispatchers.IO) {
-                try {
-                    val video = ytDownloader?.getVideo(id)
-                    val detail = video?.details()
-                    val format: Format? = try {
-                        video?.findAudioWithQuality(AudioQuality.high)?.get(0) as Format
-                    } catch (e: java.lang.IndexOutOfBoundsException) {
-                        try {
-                            video?.findAudioWithQuality(AudioQuality.medium)?.get(0) as Format
-                        } catch (e: java.lang.IndexOutOfBoundsException) {
-                            try {
-                                video?.findAudioWithQuality(AudioQuality.low)?.get(0) as Format
-                            } catch (e: java.lang.IndexOutOfBoundsException) {
-                                Log.i("YTDownloader", e.toString())
-                                null
-                            }
-                        }
-                    }
-                    format?.let {
-                        val url: String = format.url()
-                        Log.i("DHelper Link Found", url)
-                        val outputFile: String =
-                            Environment.getExternalStorageDirectory().toString() + File.separator +
-                                    defaultDir + removeIllegalChars(type) + File.separator + (if (subFolder == null) {
-                                ""
-                            } else {
-                                removeIllegalChars(subFolder) + File.separator
-                            } + removeIllegalChars(track.name!!) + ".m4a")
-
-                        val downloadObject = DownloadObject(
-                            track = track,
-                            url = url,
-                            outputDir = outputFile
-                        )
-                        Log.i("DH", outputFile)
-                        startService(context!!, downloadObject)
-                    }
-                }catch (e: com.github.kiulian.downloader.YoutubeException){
-                    Log.i("DH", "Error- Maybe Network")
-                }
-            }
-        }
-    }
-
-
-    fun startService(context:Context,obj:DownloadObject? = null ) {
-        val serviceIntent = Intent(context, ForegroundService::class.java)
-        serviceIntent.putExtra("object",obj)
-        ContextCompat.startForegroundService(context, serviceIntent)
-    }
-
-    /**
-     * Removing Illegal Chars from File Name
-     * **/
-    fun removeIllegalChars(fileName: String): String? {
-        val illegalCharArray = charArrayOf(
-            '/',
-            '\n',
-            '\r',
-            '\t',
-            '\u0000',
-            '\u000C',
-            '`',
-            '?',
-            '*',
-            '\\',
-            '<',
-            '>',
-            '|',
-            '\"',
-            '.',
-            '-',
-            '\''
-        )
-
-        var name = fileName
-        for (c in illegalCharArray) {
-            name = fileName.replace(c, '_')
-        }
-        name = name.replace("\\s".toRegex(), "_")
-        name = name.replace("\\)".toRegex(), "")
-        name = name.replace("\\(".toRegex(), "")
-        name = name.replace("\\[".toRegex(), "")
-        name = name.replace("]".toRegex(), "")
-        name = name.replace("\\.".toRegex(), "")
-        name = name.replace("\"".toRegex(), "")
-        name = name.replace("\'".toRegex(), "")
-        name = name.replace(":".toRegex(), "")
-        name = name.replace("\\|".toRegex(), "")
-        return name
-    }
-
-    private fun animateStatusBar() {
-        val anim: Animation = AlphaAnimation(0.0f, 0.9f)
-        anim.duration = 650 //You can manage the blinking time with this parameter
-        anim.startOffset = 20
-        anim.repeatMode = Animation.REVERSE
-        anim.repeatCount = Animation.INFINITE
-        statusBar?.animation = anim
-    }
-    @SuppressLint("SetJavaScriptEnabled")
-    fun applyWebViewSettings(webView: WebView) {
-        val desktopUserAgent =
-            "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:82.0) Gecko/20100101 Firefox/82.0"
-        val mobileUserAgent =
-            "Mozilla/5.0 (Linux; U; Android 4.4; en-us; Nexus 4 Build/JOP24G) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30"
-
-        //Choose Mobile/Desktop client.
-        webView.settings.userAgentString = desktopUserAgent
-        webView.settings.loadWithOverviewMode = true
-        webView.settings.builtInZoomControls = true
-        webView.settings.setSupportZoom(true)
-        webView.isScrollbarFadingEnabled = false
-        webView.scrollBarStyle = WebView.SCROLLBARS_OUTSIDE_OVERLAY
-        webView.settings.displayZoomControls = false
-        webView.settings.useWideViewPort = true
-        webView.settings.javaScriptEnabled = true
-        webView.settings.loadsImagesAutomatically = false
-        webView.settings.blockNetworkImage = true
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-            webView.settings.safeBrowsingEnabled = true
-        }
-    }
-}
-data class YoutubeRequest(
-    val type:String,
-    val subFolder:String?,
-    val ytDownloader: YoutubeDownloader?,
-    val searchQuery: String,
-    val track: Track,
-    val index: Int? = null
-)

app/src/main/java/com/shabinder/spotiflyer/downloadHelper/YTDownloadHelper.kt

@@ -17,49 +17,54 @@
 
 package com.shabinder.spotiflyer.downloadHelper
 
-import android.content.Context
-import android.content.Intent
 import android.os.Environment
 import android.util.Log
-import android.view.View
+import android.widget.Toast
-import android.widget.TextView
-import androidx.core.content.ContextCompat
-import com.github.kiulian.downloader.model.formats.Format
 import com.shabinder.spotiflyer.models.DownloadObject
-import com.shabinder.spotiflyer.models.Track
+import com.shabinder.spotiflyer.models.TrackDetails
-import com.shabinder.spotiflyer.worker.ForegroundService
+import com.shabinder.spotiflyer.utils.Provider.defaultDir
+import com.shabinder.spotiflyer.utils.Provider.mainActivity
+import com.shabinder.spotiflyer.utils.isOnline
+import com.shabinder.spotiflyer.utils.removeIllegalChars
+import com.shabinder.spotiflyer.utils.showNoConnectionAlert
+import com.shabinder.spotiflyer.utils.startService
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
 import java.io.File
 
 object YTDownloadHelper {
-    var context : Context? = null
+    suspend fun downloadYTTracks(
-    var statusBar: TextView? = null
+        type:String,
-
+        subFolder: String?,
-    fun downloadFile(subFolder: String?, type: String,ytTrack: Track,format: Format?) {
+        tracks:List<TrackDetails>,
-        format?.let {
+    ){
-            val url:String = format.url()
+        val downloadList = ArrayList<DownloadObject>()
-//                    Log.i("DHelper Link Found", url)
+        tracks.forEach {
-            val outputFile:String = Environment.getExternalStorageDirectory().toString() + File.separator +
+            if(!isOnline()){
-                    SpotifyDownloadHelper.defaultDir + SpotifyDownloadHelper.removeIllegalChars(type) + File.separator + (if(subFolder == null){""}else{ SpotifyDownloadHelper.removeIllegalChars(subFolder)  + File.separator} + SpotifyDownloadHelper.removeIllegalChars(
+                showNoConnectionAlert()
-                ytTrack.name!!
+                return
-            ) +".m4a")
+            }
+            val outputFile: String =
+                Environment.getExternalStorageDirectory().toString() + File.separator +
+                        defaultDir +
+                        removeIllegalChars(type) + File.separator +
+                        (if (subFolder == null) { "" }
+                        else { removeIllegalChars(subFolder) + File.separator }
+                                + removeIllegalChars(it.title) + ".m4a")
 
             val downloadObject = DownloadObject(
-                track = ytTrack,
+                trackDetails = it,
-                url = url,
+                ytVideoId = it.albumArt.absolutePath.substringAfterLast("/")
-                outputDir = outputFile
+                    .substringBeforeLast("."),
+                outputFile = outputFile
             )
-            Log.i("DH",outputFile)
+
-            startService(context!!, downloadObject)
+            downloadList.add(downloadObject)
-            statusBar?.visibility= View.VISIBLE
+        }
+        Log.i("YT Downloader Helper","Download Request Sent")
+        withContext(Dispatchers.Main){
+            Toast.makeText(mainActivity,"Download Started, Now You can leave the App!", Toast.LENGTH_SHORT).show()
+            startService(mainActivity,downloadList)
         }
     }
-
-
-
-    private fun startService(context:Context, obj: DownloadObject? = null ) {
-        val serviceIntent = Intent(context, ForegroundService::class.java)
-        serviceIntent.putExtra("object",obj)
-        ContextCompat.startForegroundService(context, serviceIntent)
-    }
-
 }

app/src/main/java/com/shabinder/spotiflyer/downloadHelper/YoutubeProvider.kt

@@ -0,0 +1,236 @@
+/*
+ * Copyright (C)  2020  Shabinder Singh
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.shabinder.spotiflyer.downloadHelper
+
+import android.annotation.SuppressLint
+import android.util.Log
+import com.beust.klaxon.JsonArray
+import com.beust.klaxon.JsonObject
+import com.beust.klaxon.Parser
+import com.shabinder.spotiflyer.models.YoutubeTrack
+import me.xdrop.fuzzywuzzy.FuzzySearch
+import kotlin.math.absoluteValue
+
+/*
+* Thanks To https://github.com/spotDL/spotify-downloader
+* */
+fun getYTTracks(response: String):List<YoutubeTrack>{
+    val youtubeTracks = mutableListOf<YoutubeTrack>()
+
+    val stringBuilder: StringBuilder = StringBuilder(response)
+    val responseObj: JsonObject = Parser.default().parse(stringBuilder) as JsonObject
+    val contentBlocks = responseObj.obj("contents")?.obj("sectionListRenderer")?.array<JsonObject>("contents")
+    val resultBlocks = mutableListOf<JsonArray<JsonObject>>()
+    if (contentBlocks != null) {
+        for (cBlock in contentBlocks){
+            /**
+             *Ignore user-suggestion
+             *The 'itemSectionRenderer' field is for user notices (stuff like - 'showing
+             *results for xyz, search for abc instead') we have no use for them, the for
+             *loop below if throw a keyError if we don't ignore them
+             */
+            if(cBlock.containsKey("itemSectionRenderer")){
+                continue
+            }
+
+            for(contents in cBlock.obj("musicShelfRenderer")?.array<JsonObject>("contents") ?: listOf()){
+                /**
+                 *  apparently content Blocks without an 'overlay' field don't have linkBlocks
+                 *  I have no clue what they are and why there even exist
+                 *
+                if(!contents.containsKey("overlay")){
+                println(contents)
+                continue
+                TODO check and correct
+                }*/
+
+                val result = contents.obj("musicResponsiveListItemRenderer")
+                    ?.array<JsonObject>("flexColumns")
+
+                //Add the linkBlock
+                val linkBlock = contents.obj("musicResponsiveListItemRenderer")
+                    ?.obj("overlay")
+                    ?.obj("musicItemThumbnailOverlayRenderer")
+                    ?.obj("content")
+                    ?.obj("musicPlayButtonRenderer")
+                    ?.obj("playNavigationEndpoint")
+
+                // detailsBlock is always a list, so we just append the linkBlock to it
+                // instead of carrying along all the other junk from "musicResponsiveListItemRenderer"
+                linkBlock?.let { result?.add(it) }
+                result?.let { resultBlocks.add(it) }
+            }
+        }
+
+        /* We only need results that are Songs or Videos, so we filter out the rest, since
+        ! Songs and Videos are supplied with different details, extracting all details from
+        ! both is just carrying on redundant data, so we also have to selectively extract
+        ! relevant details. What you need to know to understand how we do that here:
+        !
+        ! Songs details are ALWAYS in the following order:
+        !       0 - Name
+        !       1 - Type (Song)
+        !       2 - com.shabinder.spotiflyer.models.gaana.Artist
+        !       3 - Album
+        !       4 - Duration (mm:ss)
+        !
+        ! Video details are ALWAYS in the following order:
+        !       0 - Name
+        !       1 - Type (Video)
+        !       2 - Channel
+        !       3 - Viewers
+        !       4 - Duration (hh:mm:ss)
+        !
+        ! We blindly gather all the details we get our hands on, then
+        ! cherrypick the details we need based on  their index numbers,
+        ! we do so only if their Type is 'Song' or 'Video
+        */
+
+        for(result in resultBlocks){
+
+            // Blindly gather available details
+            val availableDetails = mutableListOf<String>()
+
+            /*
+            Filter Out dummies here itself
+            ! 'musicResponsiveListItemFlexColumnRenderer' should have more that one
+            ! sub-block, if not its a dummy, why does the YTM response contain dummies?
+            ! I have no clue. We skip these.
+
+            ! Remember that we appended the linkBlock to result, treating that like the
+            ! other constituents of a result block will lead to errors, hence the 'in
+            ! result[:-1] ,i.e., skip last element in array '
+            */
+            for(detail in result.subList(0,result.size-1)){
+                if(detail.obj("musicResponsiveListItemFlexColumnRenderer")?.size!! < 2) continue
+
+                // if not a dummy, collect All Variables
+                detail.obj("musicResponsiveListItemFlexColumnRenderer")
+                    ?.obj("text")
+                    ?.array<JsonObject>("runs")?.get(0)?.get("text")?.let {
+                        availableDetails.add(
+                            it.toString()
+                        )
+                    }
+            }
+            Log.i("Text Api",availableDetails.toString())
+            /*
+            ! Filter Out non-Song/Video results and incomplete results here itself
+            ! From what we know about detail order, note that [1] - indicate result type
+            */
+            if ( availableDetails.size == 5 && availableDetails[1] in listOf("Song","Video") ){
+
+                // skip if result is in hours instead of minutes (no song is that long)
+                if(availableDetails[4].split(':').size != 2) continue //Has Been Giving Issues
+
+                /*
+                ! grab Video ID
+                ! this is nested as [playlistEndpoint/watchEndpoint][videoId/playlistId/...]
+                ! so hardcoding the dict keys for data look up is an ardours process, since
+                ! the sub-block pattern is fixed even though the key isn't, we just
+                ! reference the dict keys by index
+                */
+
+                val videoId:String = result.last().obj("watchEndpoint")?.get("videoId") as String
+                val ytTrack = YoutubeTrack(
+                    name = availableDetails[0],
+                    type = availableDetails[1],
+                    artist = availableDetails[2],
+                    duration = availableDetails[4],
+                    videoId = videoId
+                )
+                youtubeTracks.add(ytTrack)
+            }
+        }
+    }
+
+    return youtubeTracks
+}
+
+@SuppressLint("DefaultLocale")
+fun sortByBestMatch(ytTracks:List<YoutubeTrack>,
+                    trackName:String,
+                    trackArtists:List<String>,
+                    trackDurationSec:Int,
+                    ):Map<String,Int>{
+    /*
+    * "linksWithMatchValue" is map with Youtube VideoID and its rating/match with 100 as Max Value
+    **/
+    val linksWithMatchValue = mutableMapOf<String,Int>()
+
+    for (result in ytTracks){
+
+        // LoweCasing Name to match Properly
+        // most song results on youtube go by $artist - $songName or artist1/artist2
+        var hasCommonWord = false
+
+        val resultName = result.name?.toLowerCase()?.replace("-"," ")?.replace("/"," ") ?: ""
+        val trackNameWords = trackName.toLowerCase().split(" ")
+
+        for (nameWord in trackNameWords){
+            if (nameWord.isNotBlank() && FuzzySearch.partialRatio(nameWord,resultName) > 85) hasCommonWord = true
+        }
+
+        // Skip this Result if No Word is Common in Name
+        if (!hasCommonWord) {
+            Log.i("YT Api Removing", result.toString())
+            continue
+        }
+
+
+        // Find artist match
+        // Will Be Using Fuzzy Search Because YT Spelling might be mucked up
+        // match  = (no of artist names in result) / (no. of artist names on spotify) * 100
+        var artistMatchNumber = 0
+
+        if(result.type == "Song"){
+            for (artist in trackArtists){
+                if(FuzzySearch.ratio(artist.toLowerCase(),result.artist?.toLowerCase()) > 85)
+                    artistMatchNumber++
+            }
+        }else{//i.e. is a Video
+            for (artist in trackArtists) {
+                if(FuzzySearch.partialRatio(artist.toLowerCase(),result.name?.toLowerCase()) > 85)
+                    artistMatchNumber++
+            }
+        }
+
+        if(artistMatchNumber == 0) {
+            Log.i("YT Api Removing", result.toString())
+            continue
+        }
+
+        val artistMatch = (artistMatchNumber / trackArtists.size ) * 100
+
+        // Duration Match
+        /*! time match = 100 - (delta(duration)**2 / original duration * 100)
+        ! difference in song duration (delta) is usually of the magnitude of a few
+        ! seconds, we need to amplify the delta if it is to have any meaningful impact
+        ! wen we calculate the avg match value*/
+        val difference = result.duration?.split(":")?.get(0)?.toInt()?.times(60)
+            ?.plus(result.duration?.split(":")?.get(1)?.toInt()?:0)
+            ?.minus(trackDurationSec)?.absoluteValue ?: 0
+        val nonMatchValue :Float= ((difference*difference).toFloat()/trackDurationSec.toFloat())
+        val durationMatch = 100 - (nonMatchValue*100)
+
+        val avgMatch = (artistMatch + durationMatch)/2
+        linksWithMatchValue[result.videoId.toString()] = avgMatch.toInt()
+    }
+    Log.i("YT Api Result", "$trackName - $linksWithMatchValue")
+    return linksWithMatchValue.toList().sortedByDescending { it.second }.toMap()
+}

app/src/main/java/com/shabinder/spotiflyer/models/DownloadObject.kt

@@ -18,12 +18,35 @@
 package com.shabinder.spotiflyer.models
 
 import android.os.Parcelable
+import com.shabinder.spotiflyer.models.spotify.Source
 import kotlinx.android.parcel.Parcelize
+import java.io.File
 
 @Parcelize
 data class DownloadObject(
-    var ytVideo: YTTrack?=null,
+    var trackDetails: TrackDetails,
-    var track: Track?=null,
+    var ytVideoId:String,
-    var url:String,
+    var outputFile:String
-    var outputDir:String
 ):Parcelable
+
+@Parcelize
+data class TrackDetails(
+    var title:String,
+    var artists:List<String>,
+    var durationSec:Int,
+    var albumName:String?=null,
+    var year:String?=null,
+    var comment:String?=null,
+    var lyrics:String?=null,
+    var trackUrl:String?=null,
+    var albumArt: File,
+    var albumArtURL: String,
+    var source: Source,
+    var downloaded: DownloadStatus = DownloadStatus.NotDownloaded
+):Parcelable
+
+enum class DownloadStatus{
+    Downloaded,
+    Downloading,
+    NotDownloaded
+}

app/src/main/java/com/shabinder/spotiflyer/models/Optional.kt

@@ -0,0 +1,23 @@
+/*
+ * Copyright (C)  2020  Shabinder Singh
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.shabinder.spotiflyer.models
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class Optional<T>(val value: T?)

app/src/main/java/com/shabinder/spotiflyer/models/YoutubeTrack.kt

@@ -21,11 +21,10 @@ import android.os.Parcelable
 import kotlinx.android.parcel.Parcelize
 
 @Parcelize
-data class YTTrack(
+data class YoutubeTrack(
-    var id:String?,
+    var name: String? = null,
-    var title:String?,
+    var type: String? = null,           // Song / Video
-    var duration:Int?,
+    var artist: String? = null,
-    var author:String?,
+    var duration:String? = null,
-    var viewCount:Long?,
+    var videoId: String? = null
-    var thumbnails:List<String?>?
 ):Parcelable

app/src/main/java/com/shabinder/spotiflyer/models/gaana/Artist.kt

@@ -0,0 +1,27 @@
+/*
+ * Copyright (C)  2020  Shabinder Singh
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.shabinder.spotiflyer.models.gaana
+
+import com.squareup.moshi.Json
+
+data class Artist (
+	val popularity : Int,
+	val seokey : String,
+	val name : String,
+	@Json(name = "artwork_175x175")var artworkLink :String?
+)

app/src/main/java/com/shabinder/spotiflyer/models/gaana/CustomArtworks.kt

@@ -0,0 +1,28 @@
+/*
+ * Copyright (C)  2020  Shabinder Singh
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.shabinder.spotiflyer.models.gaana
+
+import com.squareup.moshi.Json
+
+data class CustomArtworks (
+    @Json(name = "40x40")  val  size_40p : String,
+    @Json(name = "80x80")  val  size_80p : String,
+    @Json(name = "110x110")val  size_110p : String,
+    @Json(name = "175x175")val  size_175p : String,
+    @Json(name = "480x480")val  size_480p : String,
+)

app/src/main/java/com/shabinder/spotiflyer/models/gaana/GaanaAlbum.kt

@@ -0,0 +1,26 @@
+/*
+ * Copyright (C)  2020  Shabinder Singh
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.shabinder.spotiflyer.models.gaana
+
+data class GaanaAlbum (
+    val tracks : List<GaanaTrack>,
+    val count : Int,
+    val custom_artworks : CustomArtworks,
+    val release_year : Int,
+    val favorite_count : Int,
+)

app/src/main/java/com/shabinder/spotiflyer/models/gaana/GaanaArtistDetails.kt

@@ -0,0 +1,23 @@
+/*
+ * Copyright (C)  2020  Shabinder Singh
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.shabinder.spotiflyer.models.gaana
+
+data class GaanaArtistDetails(
+    val artist : List<Artist>,
+    val count : Int,
+)

app/src/main/java/com/shabinder/spotiflyer/models/gaana/GaanaArtistTracks.kt

@@ -0,0 +1,23 @@
+/*
+ * Copyright (C)  2020  Shabinder Singh
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.shabinder.spotiflyer.models.gaana
+
+data class GaanaArtistTracks(
+    val count : Int,
+    val tracks : List<GaanaTrack>
+)

app/src/main/java/com/shabinder/spotiflyer/models/gaana/GaanaPlaylist.kt

@@ -0,0 +1,27 @@
+/*
+ * Copyright (C)  2020  Shabinder Singh
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.shabinder.spotiflyer.models.gaana
+
+data class GaanaPlaylist (
+    val tags : String?,
+    val modified_on : String,
+    val count : Int,
+    val created_on : String,
+    val favorite_count : Int,
+    val tracks : List<GaanaTrack>,
+)

app/src/main/java/com/shabinder/spotiflyer/models/gaana/GaanaSong.kt

@@ -0,0 +1,22 @@
+/*
+ * Copyright (C)  2020  Shabinder Singh
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.shabinder.spotiflyer.models.gaana
+
+data class GaanaSong(
+    val tracks : List<GaanaTrack>
+)

app/src/main/java/com/shabinder/spotiflyer/models/gaana/GaanaTrack.kt

@@ -0,0 +1,41 @@
+/*
+ * Copyright (C)  2020  Shabinder Singh
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.shabinder.spotiflyer.models.gaana
+
+import com.shabinder.spotiflyer.models.DownloadStatus
+import com.squareup.moshi.Json
+
+data class GaanaTrack (
+    val tags : List<Tags?>?,
+    val seokey : String,
+    val albumseokey : String?,
+    val track_title : String,
+    val album_title : String?,
+    val language : String?,
+    val duration: Int,
+    @Json(name = "artwork_large") val artworkLink : String,
+    val artist : List<Artist?>,
+    @Json(name = "gener") val genre : List<Genre?>?,
+    val lyrics_url : String?,
+    val youtube_id : String?,
+    val total_favourite_count : Int?,
+    val release_date : String?,
+    val play_ct : String?,
+    val secondary_language : String?,
+    var downloaded: DownloadStatus? = DownloadStatus.NotDownloaded
+)

app/src/main/java/com/shabinder/spotiflyer/models/gaana/Genre.kt

@@ -0,0 +1,23 @@
+/*
+ * Copyright (C)  2020  Shabinder Singh
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.shabinder.spotiflyer.models.gaana
+
+data class Genre (
+	val genre_id : Int,
+	val name : String
+)

app/src/main/java/com/shabinder/spotiflyer/models/gaana/Tags.kt

@@ -0,0 +1,23 @@
+/*
+ * Copyright (C)  2020  Shabinder Singh
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.shabinder.spotiflyer.models.gaana
+
+data class Tags (
+	val tag_id : Int,
+	val tag_name : String
+)

app/src/main/java/com/shabinder/spotiflyer/models/spotify/Album.kt

@@ -15,7 +15,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package com.shabinder.spotiflyer.models
+package com.shabinder.spotiflyer.models.spotify
 
 import android.os.Parcelable
 import kotlinx.android.parcel.Parcelize

app/src/main/java/com/shabinder/spotiflyer/models/spotify/Artist.kt

@@ -15,7 +15,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package com.shabinder.spotiflyer.models
+package com.shabinder.spotiflyer.models.spotify
 
 import android.os.Parcelable
 import kotlinx.android.parcel.Parcelize

app/src/main/java/com/shabinder/spotiflyer/models/spotify/Copyright.kt

@@ -15,7 +15,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package com.shabinder.spotiflyer.models
+package com.shabinder.spotiflyer.models.spotify
 
 import android.os.Parcelable
 import kotlinx.android.parcel.Parcelize

app/src/main/java/com/shabinder/spotiflyer/models/spotify/Episodes.kt

@@ -15,7 +15,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package com.shabinder.spotiflyer.models
+package com.shabinder.spotiflyer.models.spotify
 
 import android.os.Parcelable
 import kotlinx.android.parcel.Parcelize

app/src/main/java/com/shabinder/spotiflyer/models/spotify/Followers.kt

@@ -15,7 +15,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package com.shabinder.spotiflyer.models
+package com.shabinder.spotiflyer.models.spotify
 
 import android.os.Parcelable
 import kotlinx.android.parcel.Parcelize

app/src/main/java/com/shabinder/spotiflyer/models/spotify/Image.kt

@@ -15,7 +15,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package com.shabinder.spotiflyer.models
+package com.shabinder.spotiflyer.models.spotify
 
 import android.os.Parcelable
 import kotlinx.android.parcel.Parcelize

app/src/main/java/com/shabinder/spotiflyer/models/spotify/LinkedTrack.kt

@@ -15,7 +15,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package com.shabinder.spotiflyer.models
+package com.shabinder.spotiflyer.models.spotify
 
 import android.os.Parcelable
 import kotlinx.android.parcel.Parcelize

app/src/main/java/com/shabinder/spotiflyer/models/spotify/PagingObjectPlaylistTrack.kt

@@ -15,7 +15,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package com.shabinder.spotiflyer.models
+package com.shabinder.spotiflyer.models.spotify
 
 import android.os.Parcelable
 import kotlinx.android.parcel.Parcelize

app/src/main/java/com/shabinder/spotiflyer/models/spotify/PagingObjectTrack.kt

@@ -15,7 +15,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package com.shabinder.spotiflyer.models
+package com.shabinder.spotiflyer.models.spotify
 
 import android.os.Parcelable
 import kotlinx.android.parcel.Parcelize

app/src/main/java/com/shabinder/spotiflyer/models/spotify/Playlist.kt

@@ -15,7 +15,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package com.shabinder.spotiflyer.models
+package com.shabinder.spotiflyer.models.spotify
 
 import android.os.Parcelable
 import com.squareup.moshi.Json

app/src/main/java/com/shabinder/spotiflyer/models/spotify/PlaylistTrack.kt

@@ -15,7 +15,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package com.shabinder.spotiflyer.models
+package com.shabinder.spotiflyer.models.spotify
 
 import android.os.Parcelable
 import kotlinx.android.parcel.Parcelize

app/src/main/java/com/shabinder/spotiflyer/models/spotify/Source.kt

@@ -0,0 +1,24 @@
+/*
+ * Copyright (C)  2020  Shabinder Singh
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.shabinder.spotiflyer.models.spotify
+
+enum class Source {
+    Spotify,
+    YouTube,
+    Gaana,
+}

app/src/main/java/com/shabinder/spotiflyer/models/spotify/Token.kt

@@ -15,7 +15,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package com.shabinder.spotiflyer.models
+package com.shabinder.spotiflyer.models.spotify
 
 import android.os.Parcelable
 import kotlinx.android.parcel.Parcelize

app/src/main/java/com/shabinder/spotiflyer/models/spotify/Track.kt

@@ -15,9 +15,10 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package com.shabinder.spotiflyer.models
+package com.shabinder.spotiflyer.models.spotify
 
 import android.os.Parcelable
+import com.shabinder.spotiflyer.models.DownloadStatus
 import kotlinx.android.parcel.Parcelize
 
 @Parcelize
@@ -31,7 +32,6 @@ data class Track(
     var explicit: Boolean? = null,
     var external_urls: Map<String?, String?>? = null,
     var href: String? = null,
-    var id: String? = null,
     var name: String? = null,
     var preview_url: String? = null,
     var track_number: Int = 0,
@@ -40,5 +40,6 @@ data class Track(
     var album: Album? = null,
     var external_ids: Map<String?, String?>? = null,
     var popularity: Int? = null,
-    var ytCoverUrl:String? = null,
+    var downloaded: DownloadStatus = DownloadStatus.NotDownloaded
-    var downloaded:String? = "notDownloaded"):Parcelable
+):Parcelable
+

app/src/main/java/com/shabinder/spotiflyer/models/spotify/UserPrivate.kt

@@ -15,7 +15,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package com.shabinder.spotiflyer.models
+package com.shabinder.spotiflyer.models.spotify
 
 import android.os.Parcelable
 import kotlinx.android.parcel.Parcelize

app/src/main/java/com/shabinder/spotiflyer/models/spotify/UserPublic.kt

@@ -15,7 +15,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package com.shabinder.spotiflyer.models
+package com.shabinder.spotiflyer.models.spotify
 
 import android.os.Parcelable
 import kotlinx.android.parcel.Parcelize

app/src/main/java/com/shabinder/spotiflyer/networking/GaanaInterface.kt

@@ -0,0 +1,101 @@
+/*
+ * Copyright (C)  2020  Shabinder Singh
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.shabinder.spotiflyer.networking
+
+import com.shabinder.spotiflyer.models.Optional
+import com.shabinder.spotiflyer.models.gaana.*
+import retrofit2.http.GET
+import retrofit2.http.Query
+
+const val gaana_token = "b2e6d7fbc136547a940516e9b77e5990"
+
+interface GaanaInterface {
+
+    /*
+    * Api Request:  http://api.gaana.com/?type=playlist&subtype=playlist_detail&seokey=gaana-dj-hindi-top-50-1&token=b2e6d7fbc136547a940516e9b77e5990&format=JSON
+    *
+    * subtype : ["most_popular_playlist" , "playlist_home_featured" ,"playlist_detail" ,"user_playlist" ,"topCharts"]
+    **/
+    @GET(".")
+    suspend fun getGaanaPlaylist(
+        @Query("type") type: String = "playlist",
+        @Query("subtype") subtype: String = "playlist_detail",
+        @Query("seokey") seokey: String,
+        @Query("token") token: String = gaana_token,
+        @Query("format") format: String = "JSON",
+        @Query("limit") limit: Int = 2000
+    ): Optional<GaanaPlaylist>
+
+    /*
+    * Api Request:  http://api.gaana.com/?type=album&subtype=album_detail&seokey=kabir-singh&token=b2e6d7fbc136547a940516e9b77e5990&format=JSON
+    *
+    * subtype : ["most_popular" , "new_release" ,"featured_album" ,"similar_album" ,"all_albums", "album" ,"album_detail" ,"album_detail_info"]
+    **/
+    @GET(".")
+    suspend fun getGaanaAlbum(
+        @Query("type") type: String = "album",
+        @Query("subtype") subtype: String = "album_detail",
+        @Query("seokey") seokey: String,
+        @Query("token") token: String = gaana_token,
+        @Query("format") format: String = "JSON",
+        @Query("limit") limit: Int = 2000
+    ): Optional<GaanaAlbum>
+
+    /*
+    * Api Request:  http://api.gaana.com/?type=song&subtype=song_detail&seokey=pachtaoge&token=b2e6d7fbc136547a940516e9b77e5990&format=JSON
+    *
+    * subtype : ["most_popular" , "hot_songs" ,"recommendation" ,"song_detail"]
+    **/
+    @GET(".")
+    suspend fun getGaanaSong(
+        @Query("type") type: String = "song",
+        @Query("subtype") subtype: String = "song_detail",
+        @Query("seokey") seokey: String,
+        @Query("token") token: String = gaana_token,
+        @Query("format") format: String = "JSON",
+    ): Optional<GaanaSong>
+
+    /*
+    * Api Request:  https://api.gaana.com/?type=artist&subtype=artist_details_info&seokey=neha-kakkar&token=b2e6d7fbc136547a940516e9b77e5990&format=JSON
+    *
+    * subtype : ["most_popular" , "artist_list" ,"artist_track_listing" ,"artist_album" ,"similar_artist","artist_details" ,"artist_details_info"]
+    **/
+    @GET(".")
+    suspend fun getGaanaArtistDetails(
+        @Query("type") type: String = "artist",
+        @Query("subtype") subtype: String = "artist_details_info",
+        @Query("seokey") seokey: String,
+        @Query("token") token: String = gaana_token,
+        @Query("format") format: String = "JSON",
+    ): Optional<GaanaArtistDetails>
+    /*
+    * Api Request:  http://api.gaana.com/?type=artist&subtype=artist_track_listing&seokey=neha-kakkar&limit=50&token=b2e6d7fbc136547a940516e9b77e5990&format=JSON
+    *
+    * subtype : ["most_popular" , "artist_list" ,"artist_track_listing" ,"artist_album" ,"similar_artist","artist_details" ,"artist_details_info"]
+    **/
+    @GET(".")
+    suspend fun getGaanaArtistTracks(
+        @Query("type") type: String = "artist",
+        @Query("subtype") subtype: String = "artist_track_listing",
+        @Query("seokey") seokey: String,
+        @Query("token") token: String = gaana_token,
+        @Query("format") format: String = "JSON",
+        @Query("limit") limit: Int = 50
+    ): Optional<GaanaArtistTracks>
+
+}

app/src/main/java/com/shabinder/spotiflyer/networking/SpotifyInterface.kt

@@ -15,58 +15,41 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package com.shabinder.spotiflyer.utils
+package com.shabinder.spotiflyer.networking
 
-import com.shabinder.spotiflyer.models.*
+import com.shabinder.spotiflyer.models.Optional
+import com.shabinder.spotiflyer.models.spotify.*
 import retrofit2.http.*
 
-/*
-* Copyright (C)  2020  Shabinder Singh
-*
-* This program is free software: you can redistribute it and/or modify
-* it under the terms of the GNU General Public License as published by
-* the Free Software Foundation, either version 3 of the License, or
-* (at your option) any later version.
-*
-* This program is distributed in the hope that it will be useful,
-* but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-* GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License
-* along with this program.  If not, see <https://www.gnu.org/licenses/>.
-*/
-
-
 interface SpotifyService {
 
     @GET("playlists/{playlist_id}")
-    suspend fun getPlaylist(@Path("playlist_id") playlistId: String?): Playlist
+    suspend fun getPlaylist(@Path("playlist_id") playlistId: String?): Optional<Playlist>
 
     @GET("playlists/{playlist_id}/tracks")
     suspend fun getPlaylistTracks(
         @Path("playlist_id") playlistId: String?,
         @Query("offset") offset: Int = 0,
         @Query("limit") limit: Int = 100
-    ): PagingObjectPlaylistTrack
+    ): Optional<PagingObjectPlaylistTrack>
 
     @GET("tracks/{id}")
-    suspend fun getTrack(@Path("id") trackId: String?): Track
+    suspend fun getTrack(@Path("id") trackId: String?): Optional<Track>
 
      @GET("episodes/{id}")
-    suspend fun getEpisode(@Path("id") episodeId: String?): Track
+    suspend fun getEpisode(@Path("id") episodeId: String?): Optional<Track>
 
      @GET("shows/{id}")
-    suspend fun getShow(@Path("id") showId: String?): Track
+    suspend fun getShow(@Path("id") showId: String?): Optional<Track>
 
     @GET("albums/{id}")
-    suspend fun getAlbum(@Path("id") albumId: String?): Album
+    suspend fun getAlbum(@Path("id") albumId: String?): Optional<Album>
 }
 
 interface SpotifyServiceTokenRequest{
 
     @POST("api/token")
     @FormUrlEncoded
-    suspend fun getToken(@Field("grant_type") grant_type:String = "client_credentials"):Token?
+    suspend fun getToken(@Field("grant_type") grant_type:String = "client_credentials"): Optional<Token>
 
 }

app/src/main/java/com/shabinder/spotiflyer/networking/YoutubeMusicApi.kt

@@ -0,0 +1,49 @@
+/*
+ * Copyright (C)  2020  Shabinder Singh
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.shabinder.spotiflyer.networking
+
+import com.beust.klaxon.JsonObject
+import retrofit2.Call
+import retrofit2.http.Body
+import retrofit2.http.Headers
+import retrofit2.http.POST
+
+
+const val apiKey = "AIzaSyC9XL3ZjWddXya6X74dJoCTL-WEYFDNX30"
+
+interface YoutubeMusicApi {
+
+    @Headers("Content-Type: application/json", "Referer: https://music.youtube.com/search")
+    @POST("search?alt=json&key=$apiKey")
+    fun getYoutubeMusicResponse(@Body text: String): Call<String>
+}
+
+fun makeJsonBody(query: String):JsonObject{
+    val client = JsonObject()
+    client["clientName"] = "WEB_REMIX"
+    client["clientVersion"] = "0.1"
+
+    val context = JsonObject()
+    context["client"] = client
+
+    val mainObject = JsonObject()
+    mainObject["context"] = context
+    mainObject["query"] = query
+
+    return mainObject
+}

app/src/main/java/com/shabinder/spotiflyer/recyclerView/DownloadRecordAdapter.kt

@@ -25,6 +25,7 @@ import androidx.recyclerview.widget.ListAdapter
 import androidx.recyclerview.widget.RecyclerView
 import com.shabinder.spotiflyer.database.DownloadRecord
 import com.shabinder.spotiflyer.databinding.DownloadRecordItemBinding
+import com.shabinder.spotiflyer.models.spotify.Source
 import com.shabinder.spotiflyer.ui.downloadrecord.DownloadRecordFragmentDirections
 import com.shabinder.spotiflyer.utils.bindImage
 import kotlinx.coroutines.CoroutineScope
@@ -34,30 +35,43 @@ import kotlinx.coroutines.launch
 class DownloadRecordAdapter: ListAdapter<DownloadRecord,DownloadRecordAdapter.ViewHolder>(DownloadRecordDiffCallback())  {
 
     private val adapterScope = CoroutineScope(Dispatchers.Default)
+    //Remember To change when Submitting a Different List / Or Use New Submit List Function
+    var source:Source = Source.Spotify
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
         val layoutInflater = LayoutInflater.from(parent.context)
-        val binding =DownloadRecordItemBinding.inflate(layoutInflater)
+        val binding = DownloadRecordItemBinding.inflate(layoutInflater)
         return ViewHolder(binding)
     }
 
     override fun onBindViewHolder(holder: ViewHolder, position: Int) {
         val item = getItem(position)
         adapterScope.launch {
-            bindImage(holder.binding.coverUrl,item.coverUrl)
+            bindImage(holder.binding.coverUrl,item.coverUrl,source)
         }
         holder.binding.itemName.text = item.name
         holder.binding.totalItems.text = "Tracks: ${item.totalFiles}"
         holder.binding.type.text = item.type
         holder.binding.btnAction.setOnClickListener {
-        if (item.link.contains("spotify",true)){
+            when {
-            it.findNavController().navigate(DownloadRecordFragmentDirections.actionDownloadRecordToSpotifyFragment((item.link)))
+                item.link.contains("spotify",true) -> {
-        }else if(item.link.contains("youtube.com",true) || item.link.contains("youtu.be",true) ){
+                    it.findNavController().navigate(DownloadRecordFragmentDirections.actionDownloadRecordToSpotifyFragment((item.link)))
-            it.findNavController().navigate(DownloadRecordFragmentDirections.actionDownloadRecordToYoutubeFragment(item.link))
+                }
-        }
+                item.link.contains("youtube.com",true) || item.link.contains("youtu.be",true) -> {
+                    it.findNavController().navigate(DownloadRecordFragmentDirections.actionDownloadRecordToYoutubeFragment(item.link))
+                }
+                item.link.contains("gaana",true) -> {
+                    it.findNavController().navigate(DownloadRecordFragmentDirections.actionDownloadRecordToGaanaFragment((item.link)))
+                }
+            }
     }
 }
     class ViewHolder(val binding: DownloadRecordItemBinding) : RecyclerView.ViewHolder(binding.root)
+
+    fun submitList(list: MutableList<DownloadRecord>?,source: Source) {
+        super.submitList(list)
+        this.source = source
+    }
 }
 
 class DownloadRecordDiffCallback: DiffUtil.ItemCallback<DownloadRecord>(){

app/src/main/java/com/shabinder/spotiflyer/recyclerView/SpotifyTrackListAdapter.kt

@@ -1,103 +0,0 @@
-/*
- * Copyright (C)  2020  Shabinder Singh
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package com.shabinder.spotiflyer.recyclerView
-
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
-import android.widget.Toast
-import androidx.recyclerview.widget.DiffUtil
-import androidx.recyclerview.widget.ListAdapter
-import androidx.recyclerview.widget.RecyclerView
-import com.github.kiulian.downloader.YoutubeDownloader
-import com.shabinder.spotiflyer.R
-import com.shabinder.spotiflyer.databinding.TrackListItemBinding
-import com.shabinder.spotiflyer.downloadHelper.SpotifyDownloadHelper.context
-import com.shabinder.spotiflyer.downloadHelper.SpotifyDownloadHelper.downloadAllTracks
-import com.shabinder.spotiflyer.models.Track
-import com.shabinder.spotiflyer.ui.spotify.SpotifyViewModel
-import com.shabinder.spotiflyer.utils.bindImage
-import com.shabinder.spotiflyer.utils.rotateAnim
-import kotlinx.coroutines.launch
-
-
-class SpotifyTrackListAdapter: ListAdapter<Track,SpotifyTrackListAdapter.ViewHolder>(SpotifyTrackDiffCallback()) {
-
-    var spotifyViewModel : SpotifyViewModel? = null
-    var isAlbum:Boolean = false
-    var ytDownloader: YoutubeDownloader? = null
-
-
-    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
-        val layoutInflater = LayoutInflater.from(parent.context)
-        val binding = TrackListItemBinding.inflate(layoutInflater,parent,false)
-        return ViewHolder(binding)
-    }
-
-    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
-        val item = getItem(position)
-        if(itemCount ==1 || isAlbum){
-            holder.binding.imageUrl.visibility = View.GONE}else{
-            spotifyViewModel!!.uiScope.launch {
-                //Placeholder Set
-                bindImage(holder.binding.imageUrl, item.album!!.images?.get(0)?.url)
-            }
-        }
-
-        holder.binding.trackName.text = "${if(item.name!!.length > 17){"${item.name!!.subSequence(0,16)}..."}else{item.name}}"
-        holder.binding.artist.text = "${item.artists?.get(0)?.name?:""}..."
-        holder.binding.duration.text = "${item.duration_ms/1000/60} minutes, ${(item.duration_ms/1000)%60} sec"
-        when (item.downloaded) {
-            "Downloaded" -> {
-                holder.binding.btnDownload.setImageResource(R.drawable.ic_tick)
-                holder.binding.btnDownload.clearAnimation()
-            }
-            "Downloading" -> {
-                holder.binding.btnDownload.setImageResource(R.drawable.ic_refresh)
-                rotateAnim(holder.binding.btnDownload)
-            }
-            "notDownloaded" -> {
-                holder.binding.btnDownload.setImageResource(R.drawable.ic_arrow)
-                holder.binding.btnDownload.clearAnimation()
-                holder.binding.btnDownload.setOnClickListener{
-                    Toast.makeText(context,"Starting Download",Toast.LENGTH_SHORT).show()
-                    holder.binding.btnDownload.setImageResource(R.drawable.ic_refresh)
-                    rotateAnim(it)
-                    item.downloaded = "Downloading"
-                    spotifyViewModel!!.uiScope.launch {
-                        val itemList = mutableListOf<Track>()
-                        itemList.add(item)
-                        downloadAllTracks(spotifyViewModel!!.folderType,spotifyViewModel!!.subFolder,itemList,ytDownloader)
-                    }
-                    notifyItemChanged(position)//start showing anim!
-                }
-            }
-        }
-    }
-    class ViewHolder(val binding: TrackListItemBinding) : RecyclerView.ViewHolder(binding.root)
-}
-
-class SpotifyTrackDiffCallback: DiffUtil.ItemCallback<Track>(){
-    override fun areItemsTheSame(oldItem: Track, newItem: Track): Boolean {
-        return oldItem.name == newItem.name
-    }
-
-    override fun areContentsTheSame(oldItem: Track, newItem: Track): Boolean {
-        return oldItem == newItem //Downloaded Check
-    }
-}

app/src/main/java/com/shabinder/spotiflyer/recyclerView/TrackListAdapter.kt

@@ -0,0 +1,123 @@
+/*
+ * Copyright (C)  2020  Shabinder Singh
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.shabinder.spotiflyer.recyclerView
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.DiffUtil
+import androidx.recyclerview.widget.ListAdapter
+import androidx.recyclerview.widget.RecyclerView
+import com.shabinder.spotiflyer.R
+import com.shabinder.spotiflyer.databinding.TrackListItemBinding
+import com.shabinder.spotiflyer.downloadHelper.DownloadHelper
+import com.shabinder.spotiflyer.downloadHelper.YTDownloadHelper
+import com.shabinder.spotiflyer.models.DownloadStatus
+import com.shabinder.spotiflyer.models.TrackDetails
+import com.shabinder.spotiflyer.models.spotify.Source
+import com.shabinder.spotiflyer.utils.*
+import kotlinx.coroutines.launch
+
+class TrackListAdapter(private val viewModel :TrackListViewModel): ListAdapter<TrackDetails, TrackListAdapter.ViewHolder>(TrackDiffCallback()) {
+
+    var source:Source =Source.Spotify
+
+    override fun onCreateViewHolder(
+        parent: ViewGroup,
+        viewType: Int
+    ): ViewHolder {
+        val layoutInflater = LayoutInflater.from(parent.context)
+        val binding = TrackListItemBinding.inflate(layoutInflater,parent,false)
+        return ViewHolder(binding)
+    }
+
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        val item = getItem(position)
+        if(itemCount == 1){ holder.binding.imageUrl.visibility = View.GONE}else{
+            viewModel.uiScope.launch {
+                bindImage(holder.binding.imageUrl,item.albumArtURL, source)
+            }
+        }
+
+        when (item.downloaded) {
+            DownloadStatus.Downloaded -> {
+                holder.binding.btnDownload.setImageResource(R.drawable.ic_tick)
+                holder.binding.btnDownload.clearAnimation()
+            }
+            DownloadStatus.Downloading -> {
+                holder.binding.btnDownload.setImageResource(R.drawable.ic_refresh)
+                rotateAnim(holder.binding.btnDownload)
+            }
+            DownloadStatus.NotDownloaded -> {
+                holder.binding.btnDownload.setImageResource(R.drawable.ic_arrow)
+                holder.binding.btnDownload.clearAnimation()
+                holder.binding.btnDownload.setOnClickListener{
+                    if(!isOnline()){
+                        showNoConnectionAlert()
+                        return@setOnClickListener
+                    }
+                    showMessage("Processing!")
+                    holder.binding.btnDownload.setImageResource(R.drawable.ic_refresh)
+                    rotateAnim(it)
+                    item.downloaded = DownloadStatus.Downloading
+                    when(source){
+                        Source.YouTube -> {
+                            viewModel.uiScope.launch {
+                                YTDownloadHelper.downloadYTTracks(
+                                    viewModel.folderType,
+                                    viewModel.subFolder,
+                                    listOf(item)
+                                )
+                            }
+                        }
+                        else -> {
+                            viewModel.uiScope.launch {
+                                DownloadHelper.downloadAllTracks(
+                                    viewModel.folderType,
+                                    viewModel.subFolder,
+                                    listOf(item)
+                                )
+                            }
+                        }
+                    }
+                    notifyItemChanged(position)//start showing anim!
+                }
+            }
+        }
+
+        holder.binding.trackName.text = "${if(item.title.length > 17){"${item.title.subSequence(0,16)}..."}else{item.title}}"
+        holder.binding.artist.text = "${item.artists.get(0)}..."
+        holder.binding.duration.text =  "${item.durationSec/60} minutes, ${item.durationSec%60} sec"
+    }
+
+    class ViewHolder(val binding: TrackListItemBinding) : RecyclerView.ViewHolder(binding.root)
+
+    fun submitList(list: MutableList<TrackDetails>?, source: Source) {
+        super.submitList(list)
+        this.source = source
+    }
+}
+class TrackDiffCallback: DiffUtil.ItemCallback<TrackDetails>(){
+    override fun areItemsTheSame(oldItem: TrackDetails, newItem: TrackDetails): Boolean {
+        return oldItem.title == newItem.title
+    }
+
+    override fun areContentsTheSame(oldItem: TrackDetails, newItem: TrackDetails): Boolean {
+        return oldItem == newItem
+    }
+}

app/src/main/java/com/shabinder/spotiflyer/recyclerView/YoutubeTrackListAdapter.kt

@@ -1,76 +0,0 @@
-/*
- * Copyright (C)  2020  Shabinder Singh
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package com.shabinder.spotiflyer.recyclerView
-
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
-import androidx.recyclerview.widget.DiffUtil
-import androidx.recyclerview.widget.ListAdapter
-import com.github.kiulian.downloader.model.formats.Format
-import com.shabinder.spotiflyer.databinding.TrackListItemBinding
-import com.shabinder.spotiflyer.downloadHelper.YTDownloadHelper
-import com.shabinder.spotiflyer.models.Track
-import com.shabinder.spotiflyer.utils.bindImage
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.launch
-
-class YoutubeTrackListAdapter: ListAdapter<Track,SpotifyTrackListAdapter.ViewHolder>(YouTubeTrackDiffCallback()) {
-
-    var format:Format? = null
-    private val adapterScope = CoroutineScope(Dispatchers.Default)
-
-    override fun onCreateViewHolder(
-        parent: ViewGroup,
-        viewType: Int
-    ): SpotifyTrackListAdapter.ViewHolder {
-        val layoutInflater = LayoutInflater.from(parent.context)
-        val binding = TrackListItemBinding.inflate(layoutInflater,parent,false)
-//        val view = layoutInflater.inflate(R.layout.track_list_item,parent,false)
-        return SpotifyTrackListAdapter.ViewHolder(binding)
-    }
-
-    override fun onBindViewHolder(holder: SpotifyTrackListAdapter.ViewHolder, position: Int) {
-        val item = getItem(position)
-        if(itemCount == 1){
-            holder.binding.imageUrl.visibility = View.GONE}else{
-            adapterScope.launch {
-                bindImage(holder.binding.imageUrl, item.ytCoverUrl)
-            }
-        }
-
-        holder.binding.trackName.text = "${if(item.name!!.length > 17){"${item.name!!.subSequence(0,16)}..."}else{item.name}}"
-        holder.binding.artist.text = "${item.artists?.get(0)?.name?:""}..."
-        holder.binding.duration.text =  "${item.duration_ms/1000/60} minutes, ${(item.duration_ms/1000)%60} sec"
-        holder.binding.btnDownload.setOnClickListener{
-            adapterScope.launch {
-                YTDownloadHelper.downloadFile(null,"YT_Downloads",item,format)
-            }
-        }
-    }
-}
-class YouTubeTrackDiffCallback: DiffUtil.ItemCallback<Track>(){
-    override fun areItemsTheSame(oldItem: Track, newItem: Track): Boolean {
-        return oldItem.name == newItem.name
-    }
-
-    override fun areContentsTheSame(oldItem: Track, newItem: Track): Boolean {
-        return oldItem == newItem
-    }
-}

app/src/main/java/com/shabinder/spotiflyer/samples/response examples.txt

@@ -1,5 +1,5 @@
 D/Retrofit: <--- HTTP 200 https://api.spotify.com/v1/me/top/artists (7170ms)
-2020-07-17 18:24:00.718 25414-25414/com.shabinder.musicforeveryone I/Network: [kaaes.spotify.webapi.android.models.Artist@4fae9ec, kaaes.spotify.webapi.android.models.Artist@aa3b1b5, kaaes.spotify.webapi.android.models.Artist@ed6004a, kaaes.spotify.webapi.android.models.Artist@870dbbb, kaaes.spotify.webapi.android.models.Artist@8a2b8d8, kaaes.spotify.webapi.android.models.Artist@aab431, kaaes.spotify.webapi.android.models.Artist@a7bd716, kaaes.spotify.webapi.android.models.Artist@3477897, kaaes.spotify.webapi.android.models.Artist@7f68a84]
+2020-07-17 18:24:00.718 25414-25414/com.shabinder.musicforeveryone I/Network: [kaaes.spotify.webapi.android.models.com.shabinder.spotiflyer.models.gaana.Artist@4fae9ec, kaaes.spotify.webapi.android.models.com.shabinder.spotiflyer.models.gaana.Artist@aa3b1b5, kaaes.spotify.webapi.android.models.com.shabinder.spotiflyer.models.gaana.Artist@ed6004a, kaaes.spotify.webapi.android.models.com.shabinder.spotiflyer.models.gaana.Artist@870dbbb, kaaes.spotify.webapi.android.models.com.shabinder.spotiflyer.models.gaana.Artist@8a2b8d8, kaaes.spotify.webapi.android.models.com.shabinder.spotiflyer.models.gaana.Artist@aab431, kaaes.spotify.webapi.android.models.com.shabinder.spotiflyer.models.gaana.Artist@a7bd716, kaaes.spotify.webapi.android.models.com.shabinder.spotiflyer.models.gaana.Artist@3477897, kaaes.spotify.webapi.android.models.com.shabinder.spotiflyer.models.gaana.Artist@7f68a84]
 
 
  I/Network: https://api.spotify.com/v1/artists/7vk5e3vY1uw9plTHJAMwjN

app/src/main/java/com/shabinder/spotiflyer/ui/downloadrecord/DownloadRecordFragment.kt

@@ -21,12 +21,11 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import androidx.databinding.DataBindingUtil
 import androidx.fragment.app.Fragment
 import androidx.lifecycle.ViewModelProvider
 import com.google.android.material.tabs.TabLayout
-import com.shabinder.spotiflyer.R
 import com.shabinder.spotiflyer.databinding.DownloadRecordFragmentBinding
+import com.shabinder.spotiflyer.models.spotify.Source
 import com.shabinder.spotiflyer.recyclerView.DownloadRecordAdapter
 import dagger.hilt.android.AndroidEntryPoint
 
@@ -41,43 +40,49 @@ class DownloadRecordFragment : Fragment() {
         inflater: LayoutInflater, container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        binding = DataBindingUtil.inflate(inflater,R.layout.download_record_fragment,container,false)
+        binding = DownloadRecordFragmentBinding.inflate(inflater,container,false)
         downloadRecordViewModel = ViewModelProvider(this).get(DownloadRecordViewModel::class.java)
         adapter = DownloadRecordAdapter()
         binding.downloadRecordList.adapter = adapter
 
         downloadRecordViewModel.downloadRecordList.observe(viewLifecycleOwner, {
             if(it.isNotEmpty()){
-                downloadRecordViewModel.spotifyList = mutableListOf()
+                resetLists()
-                downloadRecordViewModel.ytList = mutableListOf()
                 for (downloadRecord in it) {
-                    if(downloadRecord.link.contains("spotify",true)) downloadRecordViewModel.spotifyList.add(downloadRecord)
+                    when{
-                    else downloadRecordViewModel.ytList.add(downloadRecord)
+                        downloadRecord.link.contains("spotify",true) -> downloadRecordViewModel.spotifyList.add(downloadRecord)
+                        downloadRecord.link.contains("gaana",true) -> downloadRecordViewModel.gaanaList.add(downloadRecord)
+                        else -> downloadRecordViewModel.ytList.add(downloadRecord)
+                    }
+                }
+                when(binding.tabLayout.selectedTabPosition){
+                    0-> adapter.submitList(downloadRecordViewModel.spotifyList,Source.Spotify)
+                    1-> adapter.submitList(downloadRecordViewModel.gaanaList,Source.Gaana)
+                    2-> adapter.submitList(downloadRecordViewModel.ytList,Source.YouTube)
                 }
-                if(binding.tabLayout.selectedTabPosition == 0) adapter.submitList(downloadRecordViewModel.spotifyList)
-                else adapter.submitList(downloadRecordViewModel.ytList)
             }
         })
 
 
         binding.tabLayout.addOnTabSelectedListener(object : TabLayout.OnTabSelectedListener {
-
             override fun onTabSelected(tab: TabLayout.Tab?) {
-                if(tab?.text == "Spotify"){
+                when(tab?.position){
-                    adapter.submitList(downloadRecordViewModel.spotifyList)
+                    0-> adapter.submitList(downloadRecordViewModel.spotifyList,Source.Spotify)
-                } else adapter.submitList(downloadRecordViewModel.ytList)
+                    1-> adapter.submitList(downloadRecordViewModel.gaanaList,Source.Gaana)
-            }
+                    2-> adapter.submitList(downloadRecordViewModel.ytList,Source.YouTube)
-
+                }
-            override fun onTabReselected(tab: TabLayout.Tab?) {
-                // Handle tab reselect
-            }
-
-            override fun onTabUnselected(tab: TabLayout.Tab?) {
-                // Handle tab unselected
             }
+            override fun onTabReselected(tab: TabLayout.Tab?) {}
+            override fun onTabUnselected(tab: TabLayout.Tab?) {}
         })
 
         return  binding.root
     }
 
+    private fun resetLists() {
+        downloadRecordViewModel.spotifyList = mutableListOf()
+        downloadRecordViewModel.ytList = mutableListOf()
+        downloadRecordViewModel.gaanaList = mutableListOf()
+    }
+
 }

app/src/main/java/com/shabinder/spotiflyer/ui/downloadrecord/DownloadRecordViewModel.kt

@@ -32,6 +32,7 @@ class DownloadRecordViewModel @ViewModelInject constructor(val databaseDAO: Data
     private var viewModelJob = Job()
     private val uiScope = CoroutineScope(Dispatchers.Default + viewModelJob)
     var spotifyList = mutableListOf<DownloadRecord>()
+    var gaanaList = mutableListOf<DownloadRecord>()
     var ytList = mutableListOf<DownloadRecord>()
     val downloadRecordList = MutableLiveData<MutableList<DownloadRecord>>().apply {
         value = mutableListOf()
@@ -40,6 +41,7 @@ class DownloadRecordViewModel @ViewModelInject constructor(val databaseDAO: Data
     init {
         getDownloadRecordList()
     }
+
     private fun getDownloadRecordList() {
         uiScope.launch {
             downloadRecordList.postValue(databaseDAO.getRecord().toMutableList())

app/src/main/java/com/shabinder/spotiflyer/ui/gaana/GaanaFragment.kt

@@ -0,0 +1,132 @@
+/*
+ * Copyright (C)  2020  Shabinder Singh
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.shabinder.spotiflyer.ui.gaana
+
+import android.os.Bundle
+import android.util.Log
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.lifecycle.ViewModelProvider
+import androidx.navigation.fragment.navArgs
+import androidx.recyclerview.widget.SimpleItemAnimator
+import com.shabinder.spotiflyer.SharedViewModel
+import com.shabinder.spotiflyer.downloadHelper.DownloadHelper
+import com.shabinder.spotiflyer.models.DownloadStatus
+import com.shabinder.spotiflyer.models.spotify.Source
+import com.shabinder.spotiflyer.networking.GaanaInterface
+import com.shabinder.spotiflyer.networking.YoutubeMusicApi
+import com.shabinder.spotiflyer.recyclerView.TrackListAdapter
+import com.shabinder.spotiflyer.utils.*
+import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class GaanaFragment : TrackListFragment<GaanaViewModel,GaanaFragmentArgs>() {
+
+    @Inject lateinit var youtubeMusicApi: YoutubeMusicApi
+    @Inject lateinit var gaanaInterface: GaanaInterface
+    override lateinit var viewModel: GaanaViewModel
+    override lateinit var adapter: TrackListAdapter
+    override var source: Source = Source.Gaana
+    override val args: GaanaFragmentArgs by navArgs()
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        super.onCreateView(inflater, container, savedInstanceState)
+
+        initializeAll()
+
+        val gaanaLink = GaanaFragmentArgs.fromBundle(requireArguments()).link.substringAfter("gaana.com/")
+        //Link Schema: https://gaana.com/type/link
+        val link = gaanaLink.substringAfterLast('/', "error")
+        val type = gaanaLink.substringBeforeLast('/', "error").substringAfterLast('/')
+
+        Log.i("Gaana Fragment", "$type : $link")
+
+        when{
+            type == "Error" || link == "Error" -> {
+                showMessage("Please Check Your Link!")
+                Provider.mainActivity.onBackPressed()
+            }
+
+            else -> {
+                viewModel.gaanaSearch(type,link)
+
+                binding.btnDownloadAll.setOnClickListener {
+                    if(!isOnline()){
+                        showNoConnectionAlert()
+                        return@setOnClickListener
+                    }
+                    binding.btnDownloadAll.visibility = View.GONE
+                    binding.downloadingFab.visibility = View.VISIBLE
+
+                    rotateAnim(binding.downloadingFab)
+                    for (track in viewModel.trackList.value!!){
+                        if(track.downloaded != DownloadStatus.Downloaded){
+                            track.downloaded = DownloadStatus.Downloading
+                            adapter.notifyItemChanged(viewModel.trackList.value!!.indexOf(track))
+                        }
+                    }
+                    showMessage("Processing!")
+                    sharedViewModel.uiScope.launch(Dispatchers.Default){
+                        val urlList = arrayListOf<String>()
+                        viewModel.trackList.value?.forEach { urlList.add(it.albumArtURL) }
+                        //Appending Source
+                        urlList.add("gaana")
+                        loadAllImages(
+                            requireActivity(),
+                            urlList
+                        )
+                    }
+                    viewModel.uiScope.launch {
+                        val finalList = viewModel.trackList.value
+                        if(finalList.isNullOrEmpty())showMessage("Not Downloading Any Song")
+                        DownloadHelper.downloadAllTracks(
+                            viewModel.folderType,
+                            viewModel.subFolder,
+                            finalList ?: listOf(),
+                        )
+                    }
+                }
+            }
+        }
+        return binding.root
+    }
+
+    /**
+     * Basic Initialization
+     **/
+    private fun initializeAll() {
+        sharedViewModel = ViewModelProvider(this.requireActivity()).get(SharedViewModel::class.java)
+        viewModel = ViewModelProvider(this).get(GaanaViewModel::class.java)
+        viewModel.gaanaInterface = gaanaInterface
+        adapter = TrackListAdapter(viewModel)
+        DownloadHelper.youtubeMusicApi = youtubeMusicApi
+        DownloadHelper.sharedViewModel = sharedViewModel
+        DownloadHelper.statusBar = binding.statusBar
+        binding.trackList.adapter = adapter
+        (binding.trackList.itemAnimator as SimpleItemAnimator).supportsChangeAnimations = false
+    }
+
+
+}

app/src/main/java/com/shabinder/spotiflyer/ui/gaana/GaanaViewModel.kt

@@ -0,0 +1,199 @@
+/*
+ * Copyright (C)  2020  Shabinder Singh
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.shabinder.spotiflyer.ui.gaana
+
+import android.os.Environment
+import android.util.Log
+import androidx.hilt.lifecycle.ViewModelInject
+import com.shabinder.spotiflyer.database.DatabaseDAO
+import com.shabinder.spotiflyer.database.DownloadRecord
+import com.shabinder.spotiflyer.models.DownloadStatus
+import com.shabinder.spotiflyer.models.TrackDetails
+import com.shabinder.spotiflyer.models.gaana.*
+import com.shabinder.spotiflyer.models.spotify.Source
+import com.shabinder.spotiflyer.networking.GaanaInterface
+import com.shabinder.spotiflyer.utils.Provider
+import com.shabinder.spotiflyer.utils.TrackListViewModel
+import com.shabinder.spotiflyer.utils.finalOutputDir
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import java.io.File
+
+class GaanaViewModel @ViewModelInject constructor(val databaseDAO: DatabaseDAO) : TrackListViewModel(){
+
+    override var folderType:String = ""
+    override var subFolder:String = ""
+    var gaanaInterface : GaanaInterface? = null
+    val gaanaPlaceholderImageUrl = "https://a10.gaanacdn.com/images/social/gaana_social.jpg"
+
+    fun gaanaSearch(type:String,link:String){
+        when(type){
+            "song" -> {
+                uiScope.launch {
+                    getGaanaSong(link)?.tracks?.firstOrNull()?.also {
+                        folderType = "Tracks"
+                        if(File(finalOutputDir(it.track_title,folderType,subFolder)).exists()){//Download Already Present!!
+                            it.downloaded = DownloadStatus.Downloaded
+                        }
+                        trackList.value = listOf(it).toTrackDetailsList()
+                        title.value = it.track_title
+                        coverUrl.value = it.artworkLink
+                        withContext(Dispatchers.IO){
+                            databaseDAO.insert(
+                                DownloadRecord(
+                                type = "Track",
+                                name = title.value!!,
+                                link = "https://gaana.com/$type/$link",
+                                coverUrl = coverUrl.value!!,
+                                totalFiles = 1,
+                                downloaded = it.downloaded == DownloadStatus.Downloaded,
+                                directory = finalOutputDir(it.track_title,folderType,subFolder)
+                            )
+                            )
+                        }
+                    }
+                }
+            }
+            "album" -> {
+                uiScope.launch {
+                    getGaanaAlbum(link)?.also {
+                        folderType = "Albums"
+                        subFolder = link
+                        it.tracks.forEach { track ->
+                            if(File(finalOutputDir(track.track_title,folderType,subFolder)).exists()){//Download Already Present!!
+                                track.downloaded = DownloadStatus.Downloaded
+                            }
+                        }
+                        trackList.value = it.tracks.toTrackDetailsList()
+                        title.value = link
+                        coverUrl.value = it.custom_artworks.size_480p
+                        withContext(Dispatchers.IO){
+                            databaseDAO.insert(DownloadRecord(
+                                type = "Album",
+                                name = title.value!!,
+                                link = "https://gaana.com/$type/$link",
+                                coverUrl = coverUrl.value.toString(),
+                                totalFiles = trackList.value?.size ?: 0,
+                                downloaded = File(finalOutputDir(type = folderType,subFolder = subFolder)).listFiles()?.size == trackList.value?.size,
+                                directory = finalOutputDir(type = folderType,subFolder = subFolder)
+                            ))
+                        }
+                    }
+                }
+            }
+            "playlist" -> {
+                uiScope.launch {
+                    getGaanaPlaylist(link)?.also {
+                        folderType = "Playlists"
+                        subFolder = link
+                        it.tracks.forEach {track ->
+                            if(File(finalOutputDir(track.track_title,folderType,subFolder)).exists()){//Download Already Present!!
+                                track.downloaded = DownloadStatus.Downloaded
+                            }
+                        }
+                        trackList.value = it.tracks.toTrackDetailsList()
+                        title.value = link
+                        //coverUrl.value = "TODO"
+                        coverUrl.value = gaanaPlaceholderImageUrl
+                        withContext(Dispatchers.IO){
+                            databaseDAO.insert(DownloadRecord(
+                                type = "Playlist",
+                                name = title.value.toString(),
+                                link = "https://gaana.com/$type/$link",
+                                coverUrl = coverUrl.value.toString(),
+                                totalFiles = it.tracks.size,
+                                downloaded = File(finalOutputDir(type = folderType,subFolder = subFolder)).listFiles()?.size == trackList.value?.size,
+                                directory = finalOutputDir(type = folderType,subFolder = subFolder)
+                            ))
+                        }
+                    }
+                }
+            }
+            "artist" -> {
+                uiScope.launch {
+                    folderType = "Artist"
+                    subFolder = link
+                    val artistDetails = getGaanaArtistDetails(link)?.artist?.firstOrNull()?.also {
+                        title.value = it.name
+                        coverUrl.value = it.artworkLink
+                    }
+                    getGaanaArtistTracks(link)?.also {
+                        it.tracks.forEach {track ->
+                            if(File(finalOutputDir(track.track_title,folderType,subFolder)).exists()){//Download Already Present!!
+                                track.downloaded = DownloadStatus.Downloaded
+                            }
+                        }
+                        trackList.value = it.tracks.toTrackDetailsList()
+                        withContext(Dispatchers.IO){
+                            databaseDAO.insert(DownloadRecord(
+                                type = "Artist",
+                                name = artistDetails?.name ?: link,
+                                link = "https://gaana.com/$type/$link",
+                                coverUrl = coverUrl.value.toString(),
+                                totalFiles = trackList.value?.size ?: 0,
+                                downloaded = File(finalOutputDir(type = folderType,subFolder = subFolder)).listFiles()?.size == trackList.value?.size,
+                                directory = finalOutputDir(type = folderType,subFolder = subFolder)
+                            ))
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+
+    private fun List<GaanaTrack>.toTrackDetailsList() = this.map {
+        TrackDetails(
+            title = it.track_title,
+            artists = it.artist.map { artist -> artist?.name.toString() },
+            durationSec = it.duration,
+            albumArt = File(
+                Environment.getExternalStorageDirectory(),
+                Provider.defaultDir +".Images/" + (it.artworkLink.substringBeforeLast('/').substringAfterLast('/')) + ".jpeg"),
+            albumName = it.album_title,
+            year = it.release_date,
+            comment = "Genres:${it.genre?.map { genre -> genre?.name }?.reduceOrNull { acc, s -> acc + s  }}",
+            trackUrl = it.lyrics_url,
+            downloaded = it.downloaded ?: DownloadStatus.NotDownloaded,
+            source = Source.Gaana,
+            albumArtURL = it.artworkLink
+        )
+    }.toMutableList()
+
+    private suspend fun getGaanaSong(songLink:String): GaanaSong?{
+        Log.i("Requesting","https://gaana.com/song/$songLink")
+        return gaanaInterface?.getGaanaSong(seokey =  songLink)?.value
+    }
+    private suspend fun getGaanaAlbum(albumLink:String): GaanaAlbum?{
+        Log.i("Requesting","https://gaana.com/album/$albumLink")
+        return gaanaInterface?.getGaanaAlbum(seokey =  albumLink)?.value
+    }
+    private suspend fun getGaanaPlaylist(link:String): GaanaPlaylist?{
+        Log.i("Requesting","https://gaana.com/playlist/$link")
+        return gaanaInterface?.getGaanaPlaylist(seokey = link)?.value
+    }
+    private suspend fun getGaanaArtistDetails(link:String): GaanaArtistDetails?{
+        Log.i("Requesting","https://gaana.com/artist/$link")
+        return gaanaInterface?.getGaanaArtistDetails(seokey = link)?.value
+    }
+    private suspend fun getGaanaArtistTracks(link:String,limit:Int = 50): GaanaArtistTracks?{
+        Log.i("Requesting","Tracks of: https://gaana.com/artist/$link")
+        return gaanaInterface?.getGaanaArtistTracks(seokey = link,limit = limit)?.value
+    }
+}

app/src/main/java/com/shabinder/spotiflyer/ui/mainfragment/MainFragment.kt

@@ -17,22 +17,19 @@
 
 package com.shabinder.spotiflyer.ui.mainfragment
 
-import android.content.Intent
-import android.content.pm.PackageManager
-import android.net.Uri
 import android.os.Bundle
 import android.text.SpannableStringBuilder
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import android.widget.Toast
-import androidx.databinding.DataBindingUtil
 import androidx.fragment.app.Fragment
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
+import com.shabinder.spotiflyer.MainActivity
 import com.shabinder.spotiflyer.R
 import com.shabinder.spotiflyer.SharedViewModel
 import com.shabinder.spotiflyer.databinding.MainFragmentBinding
+import com.shabinder.spotiflyer.utils.*
 import com.shreyaspatil.easyupipayment.EasyUpiPayment
 import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.Dispatchers
@@ -53,123 +50,88 @@ class MainFragment : Fragment() {
         inflater: LayoutInflater, container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        binding = DataBindingUtil.inflate(inflater,R.layout.main_fragment,container,false)
+        binding = MainFragmentBinding.inflate(inflater,container,false)
         initializeAll()
-
         binding.btnSearch.setOnClickListener {
+            if(!isOnline()){
+                showNoConnectionAlert()
+                return@setOnClickListener
+            }
             val link = binding.linkSearch.text.toString()
-            if (link.contains("spotify",true)){
+            when{
-                findNavController().navigate(MainFragmentDirections.actionMainFragmentToSpotifyFragment(link))
+                //SPOTIFY
-            }else if(link.contains("youtube.com",true) || link.contains("youtu.be",true) ){
+                link.contains("spotify",true) -> {
-                findNavController().navigate(MainFragmentDirections.actionMainFragmentToYoutubeFragment(link))
+                    if(sharedViewModel.spotifyService.value == null){//Authentication pending!!
-            }else{Toast.makeText(context,"Link is Not Valid",Toast.LENGTH_SHORT).show()}
+                        (activity as MainActivity).authenticateSpotify()
+                    }
+                    findNavController().navigate(MainFragmentDirections.actionMainFragmentToSpotifyFragment(link))
+                }
+
+                //YOUTUBE
+                link.contains("youtube.com",true) || link.contains("youtu.be",true) -> {
+                    findNavController().navigate(MainFragmentDirections.actionMainFragmentToYoutubeFragment(link))
+                }
+
+                //GAANA
+                link.contains("gaana",true) -> {
+                    findNavController().navigate(MainFragmentDirections.actionMainFragmentToGaanaFragment(link))
+                }
+
+                else -> showMessage("Link is Not Valid",true)
+            }
         }
         handleIntent()
         return binding.root
     }
 
-
-    private fun initializeAll() {
-        mainViewModel = ViewModelProvider(this).get(MainViewModel::class.java)
-        sharedViewModel = ViewModelProvider(this.requireActivity()).get(SharedViewModel::class.java)
-        openYTButton()
-        openSpotifyButton()
-        openGithubButton()
-        openInstaButton()
-        openLinkedInButton()
-        historyButton()
-        binding.usage.text = usageText()
-        binding.btnDonate.setOnClickListener {
-            easyUpiPayment.startPayment()
-        }
-    }
-
-    private fun historyButton() {
-        binding.btnHistory.setOnClickListener {
-            findNavController().navigate(MainFragmentDirections.actionMainFragmentToDownloadRecord())
-        }
-    }
-
     /**
      * Handle Intent If there is any!
      **/
     private fun handleIntent() {
-        sharedViewModel.intentString.observe(viewLifecycleOwner,{
+        sharedViewModel.intentString.observe(viewLifecycleOwner,{ it?.let {
-            if(it != ""){
+            sharedViewModel.uiScope.launch(Dispatchers.IO) {
-                sharedViewModel.uiScope.launch(Dispatchers.IO) {
+                //Wait for any Authentication to Finish ,
-                    while (sharedViewModel.accessToken.value == "") {
+                // this Wait prevents from multiple Authentication Requests
+                Thread.sleep(1000)
+                if(sharedViewModel.spotifyService.value == null){
+                    //Not Authenticated Yet
+                    Provider.mainActivity.authenticateSpotify()
+                    while (sharedViewModel.spotifyService.value == null) {
                         //Waiting for Authentication to Finish
                         Thread.sleep(1000)
                     }
-                    withContext(Dispatchers.Main){
+                }
-                        binding.linkSearch.setText(sharedViewModel.intentString.value)
+
-                        binding.btnSearch.performClick()
+                withContext(Dispatchers.Main){
-                        sharedViewModel.intentString.value = ""
+                    binding.linkSearch.setText(sharedViewModel.intentString.value)
-                    }
+                    binding.btnSearch.performClick()
+                    //Intent Consumed
+                    sharedViewModel.intentString.value = null
                 }
             }
+        }
         })
     }
 
-    /**
+    private fun initializeAll() {
-     * Implementing buttons
+        mainViewModel = ViewModelProvider(this).get(MainViewModel::class.java)
-     **/
+        sharedViewModel = ViewModelProvider(this.requireActivity()).get(SharedViewModel::class.java)
-    private fun openSpotifyButton() {
+        binding.apply {
-        val manager: PackageManager = requireActivity().packageManager
+            btnGaana.openPlatformOnClick("com.gaana","http://gaana.com")
-        try {
+            btnSpotify.openPlatformOnClick("com.spotify.music","http://open.spotify.com")
-            val i = manager.getLaunchIntentForPackage("com.spotify.music")
+            btnYoutube.openPlatformOnClick("com.google.android.youtube","http://m.youtube.com")
-                ?: throw PackageManager.NameNotFoundException()
+            btnGithub.openPlatformOnClick("http://github.com/Shabinder/SpotiFlyer")
-            i.addCategory(Intent.CATEGORY_LAUNCHER)
+            btnInsta.openPlatformOnClick("http://www.instagram.com/mr.shabinder")
-            binding.btnSpotify.setOnClickListener { startActivity(i) }
+            btnHistory.setOnClickListener {
-        } catch (e: PackageManager.NameNotFoundException) {
+                findNavController().navigate(MainFragmentDirections.actionMainFragmentToDownloadRecord())
-            val uri: Uri =
+            }
-                Uri.parse("http://open.spotify.com")
+            usage.text = usageText()
-            val intent = Intent(Intent.ACTION_VIEW, uri)
+            btnDonate.setOnClickListener {
-            binding.btnSpotify.setOnClickListener {
+                easyUpiPayment.startPayment()
-                startActivity(intent)
             }
         }
     }
-    private fun openYTButton() {
+
-        val manager: PackageManager = requireActivity().packageManager
-        try {
-            val i = manager.getLaunchIntentForPackage("com.google.android.youtube")
-                ?: throw PackageManager.NameNotFoundException()
-            i.addCategory(Intent.CATEGORY_LAUNCHER)
-            binding.btnYoutube.setOnClickListener { startActivity(i) }
-        } catch (e: PackageManager.NameNotFoundException) {
-            val uri: Uri =
-                Uri.parse("http://m.youtube.com")
-            val intent = Intent(Intent.ACTION_VIEW, uri)
-            binding.btnYoutube.setOnClickListener {
-                startActivity(intent)
-            }
-        }
-    }
-    private fun openGithubButton() {
-        val uri: Uri =
-            Uri.parse("http://github.com/Shabinder/SpotiFlyer")
-        val intent = Intent(Intent.ACTION_VIEW, uri)
-        binding.btnGithubSpotify.setOnClickListener {
-            startActivity(intent)
-        }
-    }
-    private fun openLinkedInButton() {
-        val uri: Uri =
-            Uri.parse("https://in.linkedin.com/in/shabinder")
-        val intent = Intent(Intent.ACTION_VIEW, uri)
-        binding.btnLinkedin.setOnClickListener {
-            startActivity(intent)
-        }
-    }
-    private fun openInstaButton() {
-        val uri: Uri =
-            Uri.parse("http://www.instagram.com/mr.shabinder")
-        val intent = Intent(Intent.ACTION_VIEW, uri)
-        binding.developerInstaSpotify.setOnClickListener {
-            startActivity(intent)
-        }
-    }
     private fun usageText(): SpannableStringBuilder {
         return SpannableStringBuilder()
             .append(getText(R.string.d_one)).append("\n")

app/src/main/java/com/shabinder/spotiflyer/ui/spotify/SpotifyFragment.kt

@@ -18,307 +18,124 @@
 package com.shabinder.spotiflyer.ui.spotify
 
 import android.annotation.SuppressLint
-import android.content.BroadcastReceiver
-import android.content.Context
-import android.content.Intent
-import android.content.IntentFilter
-import android.net.ConnectivityManager
 import android.os.Bundle
-import android.os.Environment
 import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import android.webkit.WebView
-import android.widget.Toast
-import androidx.core.net.toUri
-import androidx.databinding.DataBindingUtil
-import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
+import androidx.navigation.fragment.navArgs
 import androidx.recyclerview.widget.SimpleItemAnimator
-import com.bumptech.glide.Glide
+import com.shabinder.spotiflyer.downloadHelper.DownloadHelper
-import com.bumptech.glide.load.DataSource
+import com.shabinder.spotiflyer.models.DownloadStatus
-import com.bumptech.glide.load.engine.GlideException
+import com.shabinder.spotiflyer.models.spotify.Source
-import com.bumptech.glide.request.RequestListener
+import com.shabinder.spotiflyer.networking.YoutubeMusicApi
-import com.bumptech.glide.request.target.Target
+import com.shabinder.spotiflyer.recyclerView.TrackListAdapter
-import com.github.kiulian.downloader.YoutubeDownloader
+import com.shabinder.spotiflyer.utils.*
-import com.shabinder.spotiflyer.MainActivity
+import com.shabinder.spotiflyer.utils.Provider.mainActivity
-import com.shabinder.spotiflyer.R
-import com.shabinder.spotiflyer.SharedViewModel
-import com.shabinder.spotiflyer.databinding.SpotifyFragmentBinding
-import com.shabinder.spotiflyer.downloadHelper.SpotifyDownloadHelper
-import com.shabinder.spotiflyer.models.Track
-import com.shabinder.spotiflyer.recyclerView.SpotifyTrackListAdapter
-import com.shabinder.spotiflyer.utils.bindImage
-import com.shabinder.spotiflyer.utils.copyTo
-import com.shabinder.spotiflyer.utils.rotateAnim
 import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
-import kotlinx.coroutines.withContext
-import java.io.File
-import java.io.IOException
 import javax.inject.Inject
 
-@Suppress("DEPRECATION")
-
 @AndroidEntryPoint
-class SpotifyFragment : Fragment() {
+class SpotifyFragment : TrackListFragment<SpotifyViewModel,SpotifyFragmentArgs>() {
-    private lateinit var binding:SpotifyFragmentBinding
-    private lateinit var spotifyViewModel: SpotifyViewModel
-    private lateinit var sharedViewModel: SharedViewModel
-    private lateinit var adapterSpotify:SpotifyTrackListAdapter
-    @Inject lateinit var ytDownloader:YoutubeDownloader
-    private var webView: WebView? = null
-    private var intentFilter:IntentFilter? = null
-    private var updateUIReceiver: BroadcastReceiver? = null
 
+    @Inject lateinit var youtubeMusicApi: YoutubeMusicApi
+    override lateinit var viewModel: SpotifyViewModel
+    override lateinit var adapter: TrackListAdapter
+    override var source: Source = Source.Spotify
+    override val args: SpotifyFragmentArgs by navArgs()
 
     @SuppressLint("SetJavaScriptEnabled")
     override fun onCreateView(
         inflater: LayoutInflater, container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View {
-        binding = DataBindingUtil.inflate(inflater,R.layout.spotify_fragment,container,false)
+        super.onCreateView(inflater, container, savedInstanceState)
-        adapterSpotify = SpotifyTrackListAdapter()
         initializeAll()
-        initializeLiveDataObservers()
-        initializeBroadcast()
 
-        val args = SpotifyFragmentArgs.fromBundle(requireArguments())
+        val spotifyLink = args.link.substringAfter("open.spotify.com/")
-        val spotifyLink = args.link
 
         val link = spotifyLink.substringAfterLast('/', "Error").substringBefore('?')
         val type = spotifyLink.substringBeforeLast('/', "Error").substringAfterLast('/')
 
-        Log.i("Fragment", "$type : $link")
+        Log.i("Spotify Fragment", "$type : $link")
+
 
         if(sharedViewModel.spotifyService.value == null){//Authentication pending!!
-            (activity as MainActivity).authenticateSpotify()
+            if(isOnline()) mainActivity.authenticateSpotify()
         }
-        if(!isOnline()){//Device Offline
+
-            sharedViewModel.showAlertDialog(resources,requireContext())
+        when{
-        }else if (type == "Error" || link == "Error") {//Incorrect Link
+            type == "Error" || link == "Error" -> {
-            showToast("Please Check Your Link!")
+                showMessage("Please Check Your Link!")
-        }else if(spotifyLink.contains("open.spotify",true)){//Link Validation!!
+                mainActivity.onBackPressed()
-            if(type == "episode" || type == "show"){//TODO Implementation
-                showToast("Implementing Soon, Stay Tuned!")
             }
-            else{
-                spotifyViewModel.spotifySearch(type,link)
-                if(type=="album")adapterSpotify.isAlbum = true
 
-                binding.btnDownloadAllSpotify.setOnClickListener {
+            else -> {
-                    for (track in spotifyViewModel.trackList.value!!){
+                if(type == "episode" || type == "show"){//TODO Implementation
-                        if(track.downloaded != "Downloaded"){
+                    showMessage("Implementing Soon, Stay Tuned!")
-                            track.downloaded = "Downloading"
+                }
+                else{
+                    this.viewModel.spotifySearch(type,link)
+
+                    binding.btnDownloadAll.setOnClickListener {
+                        if(!isOnline()){
+                            showNoConnectionAlert()
+                            return@setOnClickListener
                         }
-                    }
+                        binding.btnDownloadAll.visibility = View.GONE
-                    binding.btnDownloadAllSpotify.visibility = View.GONE
+                        binding.downloadingFab.visibility = View.VISIBLE
-                    binding.downloadingFabSpotify.visibility = View.VISIBLE
 
-
+                        rotateAnim(binding.downloadingFab)
-                    rotateAnim(binding.downloadingFabSpotify)
+                        for (track in this.viewModel.trackList.value ?: listOf()){
-                    for (track in spotifyViewModel.trackList.value!!){
+                            if(track.downloaded != DownloadStatus.Downloaded){
-                        if(track.downloaded != "Downloaded"){
+                                track.downloaded = DownloadStatus.Downloading
-                            adapterSpotify.notifyItemChanged(spotifyViewModel.trackList.value!!.indexOf(track))
+                                adapter.notifyItemChanged(this.viewModel.trackList.value!!.indexOf(track))
+                            }
+                        }
+                        showMessage("Processing!")
+                        sharedViewModel.uiScope.launch(Dispatchers.Default){
+                            val urlList = arrayListOf<String>()
+                            this@SpotifyFragment.viewModel.trackList.value?.forEach { urlList.add(it.albumArtURL) }
+                            //Appending Source
+                            urlList.add("spotify")
+                            loadAllImages(
+                                requireActivity(),
+                                urlList
+                            )
+                        }
+                        this.viewModel.uiScope.launch {
+                            val finalList = viewModel.trackList.value
+                            if(finalList.isNullOrEmpty())showMessage("Not Downloading Any Song")
+                            DownloadHelper.downloadAllTracks(
+                                viewModel.folderType,
+                                viewModel.subFolder,
+                                finalList ?: listOf(),
+                            )
                         }
-                    }
-                    showToast("Starting Download in Few Seconds")
-                    spotifyViewModel.uiScope.launch(Dispatchers.Default){loadAllImages(spotifyViewModel.trackList.value!!)}
-                    spotifyViewModel.uiScope.launch {
-                        SpotifyDownloadHelper.downloadAllTracks(
-                            spotifyViewModel.folderType,
-                            spotifyViewModel.subFolder,
-                            spotifyViewModel.trackList.value!!,
-                            ytDownloader
-                        )
                     }
                 }
             }
         }
+
         return binding.root
     }
 
-    override fun onResume() {
-        super.onResume()
-        initializeBroadcast()
-    }
-
-    private fun initializeBroadcast() {
-        intentFilter = IntentFilter()
-        intentFilter?.addAction("track_download_completed")
-
-        updateUIReceiver = object : BroadcastReceiver() {
-            override fun onReceive(context: Context?, intent: Intent?) {
-                //UI update here
-                if (intent != null){
-                    val track = intent.getParcelableExtra<Track?>("track")
-                    track?.let {
-                        val position: Int = spotifyViewModel.trackList.value?.indexOf(track)!!
-                        Log.i("Track","Download Completed Intent :$position")
-                        track.downloaded = "Downloaded"
-                        if(position != -1) {
-                            spotifyViewModel.trackList.value?.set(position, track)
-                            adapterSpotify.notifyItemChanged(position)
-                            checkIfAllDownloaded()
-                        }
-                    }
-                }
-            }
-        }
-        requireActivity().registerReceiver(updateUIReceiver, intentFilter)
-    }
-
-    override fun onPause() {
-        super.onPause()
-        requireActivity().unregisterReceiver(updateUIReceiver)
-    }
-
-    /**
-     *Live Data Observers
-     **/
-    private fun initializeLiveDataObservers() {
-        /**
-         * CoverUrl Binding Observer!
-         **/
-        spotifyViewModel.coverUrl.observe(viewLifecycleOwner, {
-            if(it!="Loading") bindImage(binding.spotifyCoverImage,it)
-        })
-
-        /**
-         * TrackList Binding Observer!
-         **/
-        spotifyViewModel.trackList.observe(viewLifecycleOwner, {
-            if (it.isNotEmpty()){
-                Log.i("SpotifyFragment","TrackList Updated")
-                adapterConfig(it)
-                checkIfAllDownloaded()
-            }
-        })
-
-        /**
-         * Title Binding Observer!
-         **/
-        spotifyViewModel.title.observe(viewLifecycleOwner, {
-            binding.titleViewSpotify.text = it
-        })
-
-        sharedViewModel.intentString.observe(viewLifecycleOwner,{
-        //Waiting for Authentication to Finish with Spotify()Access Token Observe
-            if(it != "" && it!=SpotifyFragmentArgs.fromBundle(requireArguments()).link){
-                //New Intent Received , Time TO RELOAD
-                (activity as MainActivity).onBackPressed()
-            }
-        })
-    }
-
-    private fun checkIfAllDownloaded() {
-        if(!spotifyViewModel.trackList.value!!.any { it.downloaded != "Downloaded" }){
-            //All Tracks Downloaded
-            binding.btnDownloadAllSpotify.visibility = View.GONE
-            binding.downloadingFabSpotify.apply{
-                setImageResource(R.drawable.ic_tick)
-                visibility = View.VISIBLE
-                clearAnimation()
-                keepScreenOn = false
-            }
-        }
-    }
-
     /**
      * Basic Initialization
      **/
     private fun initializeAll() {
-        webView = binding.webViewSpotify
+        this.viewModel = ViewModelProvider(this).get(SpotifyViewModel::class.java)
-        sharedViewModel = ViewModelProvider(this.requireActivity()).get(SharedViewModel::class.java)
+        adapter = TrackListAdapter(this.viewModel)
-        spotifyViewModel = ViewModelProvider(this).get(SpotifyViewModel::class.java)
+        sharedViewModel.spotifyService.observe(viewLifecycleOwner, {
-        sharedViewModel.spotifyService.observe(viewLifecycleOwner, Observer {
+            this.viewModel.spotifyService = it
-            spotifyViewModel.spotifyService = it
         })
-        SpotifyDownloadHelper.webView = binding.webViewSpotify
+        DownloadHelper.youtubeMusicApi = youtubeMusicApi
-        SpotifyDownloadHelper.context = requireContext()
+        DownloadHelper.sharedViewModel = sharedViewModel
-        SpotifyDownloadHelper.spotifyViewModel = spotifyViewModel
+        DownloadHelper.statusBar = binding.statusBar
-        SpotifyDownloadHelper.statusBar = binding.StatusBarSpotify
+        binding.trackList.adapter = adapter
-        binding.trackListSpotify.adapter = adapterSpotify
+        (binding.trackList.itemAnimator as SimpleItemAnimator).supportsChangeAnimations = false
-        (binding.trackListSpotify.itemAnimator as SimpleItemAnimator).supportsChangeAnimations = false
-    }
-
-    /**
-     * Function to fetch all Images for using in mp3 tag.
-     **/
-    private suspend fun loadAllImages(trackList: List<Track>) {
-        trackList.forEach {
-            val imgUrl = it.album?.images?.get(0)?.url
-            imgUrl?.let {
-                val imgUri = imgUrl.toUri().buildUpon().scheme("https").build()
-                Glide
-                    .with(requireContext())
-                    .asFile()
-                    .load(imgUri)
-                    .listener(object: RequestListener<File> {
-                        override fun onLoadFailed(
-                            e: GlideException?,
-                            model: Any?,
-                            target: Target<File>?,
-                            isFirstResource: Boolean
-                        ): Boolean {
-                            Log.i("Glide","LoadFailed")
-                            return false
-                        }
-
-                        override fun onResourceReady(
-                            resource: File?,
-                            model: Any?,
-                            target: Target<File>?,
-                            dataSource: DataSource?,
-                            isFirstResource: Boolean
-                        ): Boolean {
-                            sharedViewModel.uiScope.launch {
-                                withContext(Dispatchers.IO){
-                                    try {
-                                        val file = File(
-                                            Environment.getExternalStorageDirectory(),
-                                            SpotifyDownloadHelper.defaultDir+".Images/" + imgUrl.substringAfterLast('/') + ".jpeg"
-                                        )
-                                        resource?.copyTo(file)
-                                    } catch (e: IOException) {
-                                        e.printStackTrace()
-                                    }
-                                }
-                            }
-                            return false
-                        }
-                    }).submit()
-            }
-        }
-    }
-
-    /**
-     * Configure Recycler View Adapter
-     **/
-    private fun adapterConfig(trackList: List<Track>){
-        adapterSpotify.ytDownloader = ytDownloader
-        adapterSpotify.spotifyViewModel = spotifyViewModel
-        adapterSpotify.submitList(trackList)
-    }
-
-
-    /**
-     * Util. Function to create toasts!
-     **/
-    private fun showToast(message:String){
-        Toast.makeText(context,message,Toast.LENGTH_SHORT).show()
-    }
-
-    /**
-     * Util. Function To Check Connection Status
-     **/
-    private fun isOnline(): Boolean {
-        val cm =
-            requireActivity().getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
-        val netInfo = cm.activeNetworkInfo
-        return netInfo != null && netInfo.isConnectedOrConnecting
     }
 }

app/src/main/java/com/shabinder/spotiflyer/ui/spotify/SpotifyViewModel.kt

@@ -17,57 +17,53 @@
 
 package com.shabinder.spotiflyer.ui.spotify
 
+import android.os.Environment
 import android.util.Log
 import androidx.hilt.lifecycle.ViewModelInject
-import androidx.lifecycle.MutableLiveData
-import androidx.lifecycle.ViewModel
 import com.shabinder.spotiflyer.database.DatabaseDAO
 import com.shabinder.spotiflyer.database.DownloadRecord
-import com.shabinder.spotiflyer.models.*
+import com.shabinder.spotiflyer.models.DownloadStatus
-import com.shabinder.spotiflyer.utils.SpotifyService
+import com.shabinder.spotiflyer.models.TrackDetails
+import com.shabinder.spotiflyer.models.spotify.*
+import com.shabinder.spotiflyer.networking.SpotifyService
+import com.shabinder.spotiflyer.utils.Provider
+import com.shabinder.spotiflyer.utils.TrackListViewModel
 import com.shabinder.spotiflyer.utils.finalOutputDir
-import kotlinx.coroutines.*
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 import java.io.File
 
-class SpotifyViewModel @ViewModelInject constructor(val databaseDAO: DatabaseDAO) :
+class SpotifyViewModel @ViewModelInject constructor(val databaseDAO: DatabaseDAO) : TrackListViewModel(){
-    ViewModel(){
+
+    override var folderType:String = ""
+    override var subFolder:String = ""
 
-    var folderType:String = ""
-    var subFolder:String = ""
-    var trackList = MutableLiveData<MutableList<Track>>()
-    private val loading = "Loading"
-    var title = MutableLiveData<String>().apply { value = loading }
-    var coverUrl = MutableLiveData<String>().apply { value = loading }
     var spotifyService : SpotifyService? = null
 
-    private var viewModelJob = Job()
-    val uiScope = CoroutineScope(Dispatchers.Main + viewModelJob)
-
-
     fun spotifySearch(type:String,link: String){
         when (type) {
             "track" -> {
                 uiScope.launch {
-                    val trackObject = getTrackDetails(link)
+                    getTrackDetails(link)?.also {
-                    folderType = "Tracks"
+                        folderType = "Tracks"
-                    val tempTrackList = mutableListOf<Track>()
+                        if(File(finalOutputDir(it.name,folderType,subFolder)).exists()){//Download Already Present!!
-                    if(File(finalOutputDir(trackObject?.name!!,folderType,subFolder)).exists()){//Download Already Present!!
+                            it.downloaded = DownloadStatus.Downloaded
-                        trackObject.downloaded = "Downloaded"
+                        }
-                    }
+                        trackList.value = listOf(it).toTrackDetailsList()
-                    tempTrackList.add(trackObject)
+                        title.value = it.name
-                    trackList.value = tempTrackList
+                        coverUrl.value = it.album!!.images?.elementAtOrNull(1)?.url ?: it.album!!.images?.elementAtOrNull(0)?.url
-                    title.value = trackObject.name
+                        withContext(Dispatchers.IO){
-                    coverUrl.value = trackObject.album!!.images?.get(0)!!.url!!
+                            databaseDAO.insert(DownloadRecord(
-                    withContext(Dispatchers.IO){
+                                type = "Track",
-                        databaseDAO.insert(DownloadRecord(
+                                name = title.value!!,
-                            type = "Track",
+                                link = "https://open.spotify.com/$type/$link",
-                            name = title.value!!,
+                                coverUrl = coverUrl.value!!,
-                            link = "https://open.spotify.com/$type/$link",
+                                totalFiles = 1,
-                            coverUrl = coverUrl.value!!,
+                                downloaded = it.downloaded == DownloadStatus.Downloaded,
-                            totalFiles = tempTrackList.size,
+                                directory = finalOutputDir(it.name,folderType,subFolder)
-                            downloaded = trackObject.downloaded =="Downloaded",
+                            ))
-                            directory = finalOutputDir(trackObject.name!!,folderType,subFolder)
+                        }
-                        ))
                     }
                 }
             }
@@ -77,25 +73,23 @@ class SpotifyViewModel @ViewModelInject constructor(val databaseDAO: DatabaseDAO
                     val albumObject = getAlbumDetails(link)
                     folderType = "Albums"
                     subFolder = albumObject?.name.toString()
-                    val tempTrackList = mutableListOf<Track>()
                     albumObject?.tracks?.items?.forEach {
                         if(File(finalOutputDir(it.name!!,folderType,subFolder)).exists()){//Download Already Present!!
-                            it.downloaded = "Downloaded"
+                            it.downloaded = DownloadStatus.Downloaded
                         }
-                        it.album = Album(images = listOf(Image(url = albumObject.images?.get(0)?.url)))
+                        it.album = Album(images = listOf(Image(url = albumObject.images?.elementAtOrNull(1)?.url ?: albumObject.images?.elementAtOrNull(0)?.url )))
-                        tempTrackList.add(it)
                     }
-                    trackList.value = tempTrackList
+                    trackList.value = albumObject?.tracks?.items?.toTrackDetailsList()
                     title.value = albumObject?.name
-                    coverUrl.value = albumObject?.images?.get(0)?.url
+                    coverUrl.value = albumObject?.images?.elementAtOrNull(1)?.url ?: albumObject?.images?.elementAtOrNull(0)?.url
                     withContext(Dispatchers.IO){
                         databaseDAO.insert(DownloadRecord(
                             type = "Album",
                             name = title.value!!,
                             link = "https://open.spotify.com/$type/$link",
                             coverUrl = coverUrl.value.toString(),
-                            totalFiles = tempTrackList.size,
+                            totalFiles = trackList.value?.size ?: 0,
-                            downloaded = File(finalOutputDir(type = folderType,subFolder = subFolder)).listFiles()?.size == tempTrackList.size,
+                            downloaded = File(finalOutputDir(type = folderType,subFolder = subFolder)).listFiles()?.size == trackList.value?.size,
                             directory = finalOutputDir(type = folderType,subFolder = subFolder)
                         ))
                     }
@@ -112,7 +106,7 @@ class SpotifyViewModel @ViewModelInject constructor(val databaseDAO: DatabaseDAO
                     playlistObject?.tracks?.items?.forEach {
                         it.track?.let {
                                 it1 -> if(File(finalOutputDir(it1.name!!,folderType,subFolder)).exists()){//Download Already Present!!
-                            it1.downloaded = "Downloaded"
+                            it1.downloaded = DownloadStatus.Downloaded
                         }
                             tempTrackList.add(it1)
                         }
@@ -128,15 +122,15 @@ class SpotifyViewModel @ViewModelInject constructor(val databaseDAO: DatabaseDAO
                         moreTracksAvailable = !moreTracks?.next.isNullOrBlank()
                     }
                     Log.i("Total Tracks Fetched",tempTrackList.size.toString())
-                    trackList.value = tempTrackList
+                    trackList.value = tempTrackList.toTrackDetailsList()
                     title.value = playlistObject?.name
-                    coverUrl.value =  playlistObject?.images?.get(0)!!.url!!
+                    coverUrl.value =  playlistObject?.images?.elementAtOrNull(1)?.url ?: playlistObject?.images?.firstOrNull()?.url.toString()
                     withContext(Dispatchers.IO){
                         databaseDAO.insert(DownloadRecord(
                             type = "Playlist",
-                            name = title.value!!,
+                            name = title.value.toString(),
                             link = "https://open.spotify.com/$type/$link",
-                            coverUrl = coverUrl.value!!,
+                            coverUrl = coverUrl.value.toString(),
                             totalFiles = tempTrackList.size,
                             downloaded = File(finalOutputDir(type = folderType,subFolder = subFolder)).listFiles()?.size == tempTrackList.size,
                             directory = finalOutputDir(type = folderType,subFolder = subFolder)
@@ -151,26 +145,39 @@ class SpotifyViewModel @ViewModelInject constructor(val databaseDAO: DatabaseDAO
         }
     }
 
+    @Suppress("DEPRECATION")
+    private fun List<Track>.toTrackDetailsList() = this.map {
+        TrackDetails(
+            title = it.name.toString(),
+            artists = it.artists?.map { artist -> artist?.name.toString() } ?: listOf(),
+            durationSec = (it.duration_ms/1000).toInt(),
+            albumArt = File(
+                Environment.getExternalStorageDirectory(),
+                Provider.defaultDir +".Images/" + (it.album?.images?.elementAtOrNull(1)?.url ?: it.album?.images?.firstOrNull()?.url.toString()).substringAfterLast('/') + ".jpeg"),
+            albumName = it.album?.name,
+            year = it.album?.release_date,
+            comment = "Genres:${it.album?.genres?.joinToString()}",
+            trackUrl = it.href,
+            downloaded = it.downloaded,
+            source = Source.Spotify,
+            albumArtURL = it.album?.images?.elementAtOrNull(1)?.url ?: it.album?.images?.firstOrNull()?.url.toString()
+        )
+    }.toMutableList()
+
     private suspend fun getTrackDetails(trackLink:String): Track?{
         Log.i("Requesting","https://api.spotify.com/v1/tracks/$trackLink")
-        return spotifyService?.getTrack(trackLink)
+        return spotifyService?.getTrack(trackLink)?.value
     }
     private suspend fun getAlbumDetails(albumLink:String): Album?{
         Log.i("Requesting","https://api.spotify.com/v1/albums/$albumLink")
-        return spotifyService?.getAlbum(albumLink)
+        return spotifyService?.getAlbum(albumLink)?.value
     }
     private suspend fun getPlaylistDetails(link:String): Playlist?{
         Log.i("Requesting","https://api.spotify.com/v1/playlists/$link")
-        return spotifyService?.getPlaylist(link)
+        return spotifyService?.getPlaylist(link)?.value
     }
     private suspend fun getPlaylistTrackDetails(link:String,offset:Int = 0,limit:Int = 100): PagingObjectPlaylistTrack?{
         Log.i("Requesting","https://api.spotify.com/v1/playlists/$link/tracks?offset=$offset&limit=$limit")
-        return spotifyService?.getPlaylistTracks(link, offset, limit)
+        return spotifyService?.getPlaylistTracks(link, offset, limit)?.value
     }
-
-    override fun onCleared() {
-        super.onCleared()
-        viewModelJob.cancel()
-    }
-
 }

app/src/main/java/com/shabinder/spotiflyer/ui/youtube/YoutubeFragment.kt

@@ -21,46 +21,39 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import android.widget.Toast
-import androidx.databinding.DataBindingUtil
-import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
+import androidx.navigation.fragment.navArgs
 import com.github.kiulian.downloader.YoutubeDownloader
-import com.shabinder.spotiflyer.R
-import com.shabinder.spotiflyer.SharedViewModel
-import com.shabinder.spotiflyer.databinding.YoutubeFragmentBinding
 import com.shabinder.spotiflyer.downloadHelper.YTDownloadHelper
-import com.shabinder.spotiflyer.models.Track
+import com.shabinder.spotiflyer.models.DownloadStatus
-import com.shabinder.spotiflyer.recyclerView.YoutubeTrackListAdapter
+import com.shabinder.spotiflyer.models.spotify.Source
-import com.shabinder.spotiflyer.utils.bindImage
+import com.shabinder.spotiflyer.recyclerView.TrackListAdapter
+import com.shabinder.spotiflyer.utils.*
 import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
 import javax.inject.Inject
 
-@AndroidEntryPoint
+private const val sampleDomain2 = "youtu.be"
-class YoutubeFragment : Fragment() {
+private const val sampleDomain1 = "youtube.com"
+
+@AndroidEntryPoint
+class YoutubeFragment : TrackListFragment<YoutubeViewModel,YoutubeFragmentArgs>() {
 
-    private lateinit var binding:YoutubeFragmentBinding
-    private lateinit var youtubeViewModel: YoutubeViewModel
-    private lateinit var sharedViewModel: SharedViewModel
-    private lateinit var adapter : YoutubeTrackListAdapter
-    private val sampleDomain1 = "youtube.com"
-    private val sampleDomain2 = "youtu.be"
     @Inject lateinit var ytDownloader: YoutubeDownloader
+    override lateinit var viewModel: YoutubeViewModel
+    override lateinit var adapter : TrackListAdapter
+    override var source: Source = Source.YouTube
+    override val args: YoutubeFragmentArgs by navArgs()
 
     override fun onCreateView(
         inflater: LayoutInflater, container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        binding = DataBindingUtil.inflate(inflater,R.layout.youtube_fragment,container,false)
+        super.onCreateView(inflater, container, savedInstanceState)
-        youtubeViewModel = ViewModelProvider(this).get(YoutubeViewModel::class.java)
+        this.viewModel = ViewModelProvider(this).get(YoutubeViewModel::class.java)
-        sharedViewModel = ViewModelProvider(this.requireActivity()).get(SharedViewModel::class.java)
+        adapter = TrackListAdapter(this.viewModel)
-        adapter = YoutubeTrackListAdapter()
+        binding.trackList.adapter = adapter
-        YTDownloadHelper.context = requireContext()
-        YTDownloadHelper.statusBar = binding.StatusBarYoutube
-        binding.trackListYoutube.adapter = adapter
-
-        initializeLiveDataObservers()
 
         val args = YoutubeFragmentArgs.fromBundle(requireArguments())
         val link = args.link
@@ -70,7 +63,11 @@ class YoutubeFragment : Fragment() {
 
     private fun youtubeSearch(linkSearch:String) {
         val link = linkSearch.removePrefix("https://").removePrefix("http://")
-        if(!link.contains("playlist",true)){
+        if(link.contains("playlist",true) || link.contains("list",true)){
+            // Given Link is of a Playlist
+            val playlistId = link.substringAfter("?list=").substringAfter("&list=").substringBefore("&")
+            this.viewModel.getYTPlaylist(playlistId,ytDownloader)
+        }else{//Given Link is of a Video
             var searchId = "error"
             if(link.contains(sampleDomain1,true) ){
                 searchId =  link.substringAfterLast("=","error")
@@ -79,57 +76,48 @@ class YoutubeFragment : Fragment() {
                 searchId = link.substringAfterLast("/","error")
             }
             if(searchId != "error") {
-            youtubeViewModel.getYTTrack(searchId,ytDownloader)
+                this.viewModel.getYTTrack(searchId,ytDownloader)
-                binding.btnDownloadAllYoutube.setOnClickListener {
+            }else{showMessage("Your Youtube Link is not of a Video!!")}
-                    YTDownloadHelper.downloadFile(null,"YT_Downloads",
+        }
-                        youtubeViewModel.ytTrack.value!!,youtubeViewModel.format.value)
+
+        /*
+        * Download All Tracks
+        * */
+        binding.btnDownloadAll.setOnClickListener {
+            if(!isOnline()){
+                showNoConnectionAlert()
+                return@setOnClickListener
+            }
+            binding.btnDownloadAll.visibility = View.GONE
+            binding.downloadingFab.visibility = View.VISIBLE
+
+            rotateAnim(binding.downloadingFab)
+
+            for (track in this.viewModel.trackList.value?: listOf()){
+                if(track.downloaded != DownloadStatus.Downloaded){
+                    track.downloaded = DownloadStatus.Downloading
+                    adapter.notifyItemChanged(this.viewModel.trackList.value!!.indexOf(track))
                 }
-            }else{showToast("Your Youtube Link is not of a Video!!")}
+            }
-        }else(showToast("Your Youtube Link is not of a Video!!"))
+            showMessage("Processing!")
+            sharedViewModel.uiScope.launch(Dispatchers.Default){
+                val urlList = arrayListOf<String>()
+                viewModel.trackList.value?.forEach { urlList.add("https://i.ytimg.com/vi/${it.albumArt.absolutePath.substringAfterLast("/")
+                    .substringBeforeLast(".")}/hqdefault.jpg")}
+                //Appending Source
+                urlList.add("youtube")
+                loadAllImages(
+                    requireActivity(),
+                    urlList
+                )
+            }
+            viewModel.uiScope.launch {
+                YTDownloadHelper.downloadYTTracks(
+                    type = viewModel.folderType,
+                    subFolder = viewModel.subFolder,
+                    tracks =  viewModel.trackList.value ?: listOf()
+                )
+            }
+        }
     }
-
-    private fun initializeLiveDataObservers() {
-        /**
-         * CoverUrl Binding Observer!
-         **/
-        youtubeViewModel.coverUrl.observe(viewLifecycleOwner, Observer {
-            if(it!="Loading") bindImage(binding.youtubeCoverImage,it)
-        })
-
-        /**
-         * TrackList Binding Observer!
-         **/
-        youtubeViewModel.ytTrack.observe(viewLifecycleOwner, Observer {
-            val list = mutableListOf<Track>()
-            list.add(it)
-            adapterConfig(list)
-        })
-
-        youtubeViewModel.format.observe(viewLifecycleOwner, Observer {
-            adapter.format = it
-        })
-
-        /**
-         * Title Binding Observer!
-         **/
-        youtubeViewModel.title.observe(viewLifecycleOwner, Observer {
-            binding.titleViewYoutube.text = it
-        })
-
-    }
-
-    /**
-     * Configure Recycler View Adapter
-     **/
-    private fun adapterConfig(list:List<Track>){
-        adapter.submitList(list)
-    }
-
-    /**
-     * Util. Function to create toasts!
-     **/
-    private fun showToast(message:String){
-        Toast.makeText(context,message, Toast.LENGTH_SHORT).show()
-    }
-
 }

app/src/main/java/com/shabinder/spotiflyer/ui/youtube/YoutubeViewModel.kt

@@ -17,79 +17,134 @@
 
 package com.shabinder.spotiflyer.ui.youtube
 
+import android.annotation.SuppressLint
+import android.os.Environment
 import android.util.Log
 import androidx.hilt.lifecycle.ViewModelInject
-import androidx.lifecycle.MutableLiveData
-import androidx.lifecycle.ViewModel
 import com.github.kiulian.downloader.YoutubeDownloader
-import com.github.kiulian.downloader.model.formats.Format
-import com.github.kiulian.downloader.model.quality.AudioQuality
 import com.shabinder.spotiflyer.database.DatabaseDAO
 import com.shabinder.spotiflyer.database.DownloadRecord
-import com.shabinder.spotiflyer.models.Artist
+import com.shabinder.spotiflyer.models.DownloadStatus
-import com.shabinder.spotiflyer.models.Track
+import com.shabinder.spotiflyer.models.TrackDetails
-import com.shabinder.spotiflyer.utils.finalOutputDir
+import com.shabinder.spotiflyer.models.spotify.Source
-import kotlinx.coroutines.*
+import com.shabinder.spotiflyer.utils.*
+import com.shabinder.spotiflyer.utils.Provider.defaultDir
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import java.io.File
 
-class YoutubeViewModel @ViewModelInject constructor(val databaseDAO: DatabaseDAO) :
+class YoutubeViewModel @ViewModelInject constructor(val databaseDAO: DatabaseDAO) : TrackListViewModel(){
-    ViewModel(){
+    /*
+    * YT Album Art Schema
+    * HI-RES Url: https://i.ytimg.com/vi/$searchId/maxresdefault.jpg"
+    * Normal Url: https://i.ytimg.com/vi/$searchId/hqdefault.jpg"
+    * */
 
-    val ytTrack = MutableLiveData<Track>()
+    override var folderType = "YT_Downloads"
-    val format = MutableLiveData<Format>()
+    override var subFolder = ""
-    private val loading = "Loading"
-    var title = MutableLiveData<String>().apply { value = "\"Loading!\"" }
-    var coverUrl = MutableLiveData<String>().apply { value = loading }
 
-    private var viewModelJob = Job()
+    fun getYTPlaylist(searchId:String, ytDownloader:YoutubeDownloader){
-    val uiScope = CoroutineScope(Dispatchers.Main + viewModelJob)
+        if(!isOnline())return
-
+        try{
-
+            uiScope.launch(Dispatchers.IO) {
-    fun getYTTrack(searchId:String,ytDownloader:YoutubeDownloader) {
+                Log.i("YT Playlist",searchId)
-        uiScope.launch {
+                val playlist = ytDownloader.getPlaylist(searchId)
-            withContext(Dispatchers.IO){
+                val playlistDetails = playlist.details()
-                Log.i("YT View Model",searchId)
+                val name = playlistDetails.title()
-                val video = ytDownloader.getVideo(searchId)
+                subFolder = removeIllegalChars(name).toString()
-                val detail = video?.details()
+                val videos = playlist.videos()
-                val name = detail?.title()?.replace(detail.author()!!.toUpperCase(),"",true) ?: detail?.title()
+                coverUrl.postValue("https://i.ytimg.com/vi/${videos.firstOrNull()?.videoId()}/hqdefault.jpg")
-                Log.i("YT View Model",detail.toString())
-                ytTrack.postValue(
-                    Track(
-                    id = searchId,
-                    name = name,
-                    artists = listOf<Artist>(Artist(name = detail?.author())),
-                    duration_ms = detail?.lengthSeconds()?.times(1000)?.toLong()?:0,
-                    ytCoverUrl = "https://i.ytimg.com/vi/$searchId/maxresdefault.jpg"
-                ))
-                coverUrl.postValue("https://i.ytimg.com/vi/$searchId/maxresdefault.jpg")
                 title.postValue(
-                    if(name?.length!! > 17){"${name.subSequence(0,16)}..."}else{name}
+                    if(name.length > 17){"${name.subSequence(0,16)}..."}else{name}
                 )
-                format.postValue(try {
+                this@YoutubeViewModel.trackList.postValue(videos.map {
-                    video?.findAudioWithQuality(AudioQuality.high)?.get(0) as Format
+                    TrackDetails(
-                } catch (e: IndexOutOfBoundsException) {
+                        title = it.title(),
-                    try {
+                        artists = listOf(it.author().toString()),
-                        video?.findAudioWithQuality(AudioQuality.medium)?.get(0) as Format
+                        durationSec = it.lengthSeconds(),
-                    } catch (e: IndexOutOfBoundsException) {
+                        albumArt = File(
-                        try {
+                            Environment.getExternalStorageDirectory(),
-                            video?.findAudioWithQuality(AudioQuality.low)?.get(0) as Format
+                            defaultDir + ".Images/" + it.videoId() + ".jpeg"
-                        } catch (e: IndexOutOfBoundsException) {
+                        ),
-                            Log.i("YTDownloader", e.toString())
+                        source = Source.YouTube,
-                            null
+                        albumArtURL = "https://i.ytimg.com/vi/${it.videoId()}/hqdefault.jpg",
+                        downloaded = if (File(
+                            finalOutputDir(
+                                itemName = it.title(),
+                                type = folderType,
+                                subFolder = subFolder
+                            )).exists()
+                        )
+                            DownloadStatus.Downloaded
+                        else {
+                            DownloadStatus.NotDownloaded
                         }
-                    }
+                    )
-                })
+                }.toMutableList())
+
+                withContext(Dispatchers.IO){
+                    databaseDAO.insert(DownloadRecord(
+                        type = "PlayList",
+                        name = if(name.length > 17){"${name.subSequence(0,16)}..."}else{name},
+                        link = "https://www.youtube.com/playlist?list=$searchId",
+                        coverUrl = "https://i.ytimg.com/vi/${videos.firstOrNull()?.videoId()}/hqdefault.jpg",
+                        totalFiles = videos.size,
+                        directory = finalOutputDir(itemName = removeIllegalChars(name),type = folderType,subFolder = subFolder),
+                        downloaded = File(finalOutputDir(itemName = removeIllegalChars(name),type = folderType,subFolder = subFolder)).exists()
+                    ))
+                }
+            }
+        }catch (e:com.github.kiulian.downloader.YoutubeException.BadPageException){
+            showMessage("An Error Occurred While Processing!")
+        }
+
+    }
+
+    @SuppressLint("DefaultLocale")
+    fun getYTTrack(searchId:String, ytDownloader:YoutubeDownloader) {
+        if(!isOnline())return
+        try{
+            uiScope.launch(Dispatchers.IO) {
+                Log.i("YT Video",searchId)
+                val video = ytDownloader.getVideo(searchId)
+                coverUrl.postValue("https://i.ytimg.com/vi/$searchId/hqdefault.jpg")
+                val detail = video?.details()
+                val name = detail?.title()?.replace(detail.author()!!.toUpperCase(),"",true) ?: detail?.title() ?: ""
+                Log.i("YT View Model",detail.toString())
+                this@YoutubeViewModel.trackList.postValue(
+                    listOf(
+                        TrackDetails(
+                            title = name,
+                            artists = listOf(detail?.author().toString()),
+                            durationSec = detail?.lengthSeconds()?:0,
+                            albumArt = File(
+                                Environment.getExternalStorageDirectory(),
+                                "$defaultDir.Images/$searchId.jpeg"
+                            ),
+                            source = Source.YouTube,
+                            albumArtURL = "https://i.ytimg.com/vi/$searchId/hqdefault.jpg"
+                    )
+                    ).toMutableList()
+                )
+                title.postValue(
+                    if(name.length > 17){"${name.subSequence(0,16)}..."}else{name}
+                )
+
                 withContext(Dispatchers.IO){
                     databaseDAO.insert(DownloadRecord(
                         type = "Track",
                         name = if(name.length > 17){"${name.subSequence(0,16)}..."}else{name},
                         link = "https://www.youtube.com/watch?v=$searchId",
-                        coverUrl = "https://i.ytimg.com/vi/$searchId/maxresdefault.jpg",
+                        coverUrl = "https://i.ytimg.com/vi/$searchId/hqdefault.jpg",
                         totalFiles = 1,
                         downloaded = false,
                         directory = finalOutputDir(type = "YT_Downloads")
                     ))
                 }
             }
+        } catch (e:com.github.kiulian.downloader.YoutubeException){
+            showMessage("An Error Occurred While Processing!")
         }
     }
 }

app/src/main/java/com/shabinder/spotiflyer/utils/BindingAdapter.kt

@@ -1,138 +0,0 @@
-/*
- * Copyright (C)  2020  Shabinder Singh
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package com.shabinder.spotiflyer.utils
-
-import android.os.Environment
-import android.util.Log
-import android.view.View
-import android.view.animation.Animation
-import android.view.animation.LinearInterpolator
-import android.view.animation.RotateAnimation
-import android.widget.ImageView
-import androidx.core.net.toUri
-import androidx.databinding.BindingAdapter
-import com.bumptech.glide.Glide
-import com.bumptech.glide.load.DataSource
-import com.bumptech.glide.load.engine.GlideException
-import com.bumptech.glide.request.RequestListener
-import com.bumptech.glide.request.target.Target
-import com.shabinder.spotiflyer.R
-import com.shabinder.spotiflyer.downloadHelper.SpotifyDownloadHelper
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.launch
-import kotlinx.coroutines.withContext
-import java.io.File
-import java.io.IOException
-
-fun finalOutputDir(itemName:String? = null,type:String, subFolder:String?=null,extension:String? = ".mp3"): String{
-    return Environment.getExternalStorageDirectory().toString() + File.separator +
-            SpotifyDownloadHelper.defaultDir + SpotifyDownloadHelper.removeIllegalChars(type) + File.separator +
-            (if(subFolder == null){""}else{ SpotifyDownloadHelper.removeIllegalChars(subFolder) + File.separator}
-                    + itemName?.let { SpotifyDownloadHelper.removeIllegalChars(it) + extension})
-}
-
-fun rotateAnim(view: View){
-    val rotate = RotateAnimation(
-        0F, 360F,
-        Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f
-    )
-    rotate.duration = 1000
-    rotate.repeatCount = Animation.INFINITE
-    rotate.repeatMode = Animation.INFINITE
-    rotate.interpolator = LinearInterpolator()
-    view.animation = rotate
-}
-
-
-@BindingAdapter("imageUrl")
-fun bindImage(imgView: ImageView, imgUrl: String?) {
-    imgUrl?.let {
-        val imgUri = imgUrl.toUri().buildUpon().scheme("https").build()
-        Glide
-            .with(imgView)
-            .asFile()
-            .load(imgUri)
-            .placeholder(R.drawable.ic_song_placeholder)
-            .error(R.drawable.ic_musicplaceholder)
-            .listener(object:RequestListener<File>{
-                override fun onLoadFailed(
-                    e: GlideException?,
-                    model: Any?,
-                    target: Target<File>?,
-                    isFirstResource: Boolean
-                ): Boolean {
-                    Log.i("Glide","LoadFailed")
-                    return false
-                }
-
-                override fun onResourceReady(
-                    resource: File?,
-                    model: Any?,
-                    target: Target<File>?,
-                    dataSource: DataSource?,
-                    isFirstResource: Boolean
-                ): Boolean {
-                    CoroutineScope(Dispatchers.Main).launch {
-                            try {
-                                val file = File(
-                                    Environment.getExternalStorageDirectory(),
-                                    SpotifyDownloadHelper.defaultDir+".Images/" + imgUrl.substringAfterLast('/',imgUrl) + ".jpeg"
-                                ) // the File to save , append increasing numeric counter to prevent files from getting overwritten.
-                                resource?.copyTo(file)
-                                withContext(Dispatchers.Main){
-                                    Glide.with(imgView)
-                                        .load(file)
-                                        .placeholder(R.drawable.ic_song_placeholder)
-                                        .into(imgView)
-//                                    Log.i("Glide","imageSaved")
-                                }
-                            } catch (e: IOException) {
-                                e.printStackTrace()
-                            }
-                    }
-                     return false
-                }
-            }).submit()
-        }
-    }
-
-/**
- *Extension Function For Copying Files!
- **/
-fun File.copyTo(file: File) {
-    inputStream().use { input ->
-        file.outputStream().use { output ->
-            input.copyTo(output)
-        }
-    }
-}
-fun createDirectory(dir:String){
-    val yourAppDir = File(Environment.getExternalStorageDirectory(),
-         dir)
-
-    if(!yourAppDir.exists() && !yourAppDir.isDirectory)
-    { // create empty directory
-        if (yourAppDir.mkdirs())
-        {Log.i("CreateDir","App dir created")}
-        else
-        {Log.w("CreateDir","Unable to create app dir!")}
-    }
-    else
-    {Log.i("CreateDir","App dir already exists")}
-}

app/src/main/java/com/shabinder/spotiflyer/utils/Extensions.kt

@@ -0,0 +1,45 @@
+/*
+ * Copyright (C)  2020  Shabinder Singh
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.shabinder.spotiflyer.utils
+
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.net.Uri
+import android.view.View
+import com.shabinder.spotiflyer.utils.Provider.mainActivity
+
+fun View.openPlatformOnClick(packageName:String, websiteAddress:String){
+    val manager: PackageManager = mainActivity.packageManager
+    try {
+        val i = manager.getLaunchIntentForPackage(packageName)
+            ?: throw PackageManager.NameNotFoundException()
+        i.addCategory(Intent.CATEGORY_LAUNCHER)
+        this.setOnClickListener { mainActivity.startActivity(i) }
+    } catch (e: PackageManager.NameNotFoundException) {
+        val uri: Uri =
+            Uri.parse(websiteAddress)
+        val intent = Intent(Intent.ACTION_VIEW, uri)
+        this.setOnClickListener { mainActivity.startActivity(intent) }
+    }
+}
+fun View.openPlatformOnClick(websiteAddress:String){
+    val uri: Uri =
+        Uri.parse(websiteAddress)
+    val intent = Intent(Intent.ACTION_VIEW, uri)
+    this.setOnClickListener { mainActivity.startActivity(intent) }
+}

app/src/main/java/com/shabinder/spotiflyer/utils/NetworkInterceptor.kt

@@ -0,0 +1,66 @@
+/*
+ * Copyright (C)  2020  Shabinder Singh
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.shabinder.spotiflyer.utils
+
+import okhttp3.Interceptor
+import okhttp3.Protocol
+import okhttp3.RequestBody
+import okhttp3.Response
+import okhttp3.ResponseBody.Companion.toResponseBody
+
+const val NoInternetErrorCode = 222
+
+class NetworkInterceptor: Interceptor {
+    override fun intercept(chain: Interceptor.Chain): Response {
+        return if (!isOnline()){
+            //No Internet Connection
+            showNoConnectionAlert()
+            //Lets Stop the Incoming Request
+            Response.Builder()
+                .code(NoInternetErrorCode) // code(200.300) = successful else = unsuccessful
+                .body("{}".toResponseBody(null)) // Whatever body
+                .protocol(Protocol.HTTP_2)
+                .message("No Internet Connection")
+                .request(chain.request())
+                .build()
+        }else {
+            val response = chain.proceed(chain.request())
+            val responseBody = response.body
+            val bodyString = responseBody?.string()
+            //Log.i("Network Request",bodyString)
+            //chain.proceed(chain.request())
+            //Log.i("Network Request","{\"unchecked\":${bodyString}}")
+            Response.Builder()
+                .code(response.code) // code(200.300) = successful else = unsuccessful
+                .body("{\"value\":${bodyString}}".toResponseBody(responseBody?.contentType())) // Whatever body
+                .protocol(response.protocol)
+                .message(response.message)
+                .request(chain.request())
+                .build()
+        }
+    }
+    /*
+    * Converts REQUEST's Body to String
+    * */
+    private fun RequestBody?.bodyToString(): String {
+        if (this == null) return ""
+        val buffer = okio.Buffer()
+        writeTo(buffer)
+        return buffer.readUtf8()
+    }
+}

app/src/main/java/com/shabinder/spotiflyer/utils/Provider.kt

@@ -18,11 +18,15 @@
 package com.shabinder.spotiflyer.utils
 
 import android.content.Context
+import android.os.Environment
 import com.github.kiulian.downloader.YoutubeDownloader
 import com.shabinder.spotiflyer.App
 import com.shabinder.spotiflyer.MainActivity
 import com.shabinder.spotiflyer.database.DatabaseDAO
 import com.shabinder.spotiflyer.database.DownloadRecordDatabase
+import com.shabinder.spotiflyer.networking.GaanaInterface
+import com.shabinder.spotiflyer.networking.SpotifyServiceTokenRequest
+import com.shabinder.spotiflyer.networking.YoutubeMusicApi
 import com.shreyaspatil.easyupipayment.EasyUpiPayment
 import com.squareup.moshi.Moshi
 import com.squareup.moshi.kotlin.reflect.KotlinJsonAdapterFactory
@@ -36,23 +40,35 @@ import okhttp3.OkHttpClient
 import okhttp3.Request
 import retrofit2.Retrofit
 import retrofit2.converter.moshi.MoshiConverterFactory
+import retrofit2.converter.scalars.ScalarsConverterFactory
+import java.io.File
 import javax.inject.Singleton
 
+
 @InstallIn(ApplicationComponent::class)
 @Module
 object Provider {
 
+    val mainActivity: MainActivity = MainActivity.getInstance()
+    val defaultDir = Environment.DIRECTORY_MUSIC + File.separator + "SpotiFlyer" + File.separator
+
+
     @Provides
     fun databaseDAO(@ApplicationContext appContext: Context):DatabaseDAO{
         return DownloadRecordDatabase.getInstance(appContext).databaseDAO
     }
 
 
+    @Provides
+    @Singleton
+    fun getYTDownloader():YoutubeDownloader{
+        return YoutubeDownloader()
+    }
 
     @Provides
     @Singleton
     fun provideUpi():EasyUpiPayment {
-        return EasyUpiPayment.Builder(MainActivity.getInstance())
+        return EasyUpiPayment.Builder(mainActivity)
             .setPayeeVpa("technoshab@paytm")
             .setPayeeName("Shabinder Singh")
             .setTransactionId("UNIQUE_TRANSACTION_ID")
@@ -72,29 +88,59 @@ object Provider {
 
     @Provides
     @Singleton
-    fun getYTDownloader():YoutubeDownloader{
+    fun getSpotifyTokenInterface(moshi: Moshi): SpotifyServiceTokenRequest {
-        return YoutubeDownloader()
-    }
-
-    @Provides
-    @Singleton
-    fun getSpotifyTokenInterface():SpotifyServiceTokenRequest{
         val httpClient2: OkHttpClient.Builder = OkHttpClient.Builder()
-        httpClient2.addInterceptor(Interceptor { chain ->
+            .addInterceptor(Interceptor { chain ->
             val request: Request =
-                chain.request().newBuilder().addHeader(
+                chain.request().newBuilder()
+                    .addHeader(
                     "Authorization",
-                    "Basic ${android.util.Base64.encodeToString("${App.clientId}:${App.clientSecret}".toByteArray(),android.util.Base64.NO_WRAP)}"
+                    "Basic ${
+                        android.util.Base64.encodeToString(
+                            "${App.clientId}:${App.clientSecret}".toByteArray(),
+                            android.util.Base64.NO_WRAP
+                        )
+                    }"
                 ).build()
             chain.proceed(request)
-        })
+        }).addInterceptor(NetworkInterceptor())
 
         val retrofit = Retrofit.Builder()
             .baseUrl("https://accounts.spotify.com/")
             .client(httpClient2.build())
-            .addConverterFactory(MoshiConverterFactory.create(getMoshi()))
+            .addConverterFactory(MoshiConverterFactory.create(moshi))
             .build()
         return retrofit.create(SpotifyServiceTokenRequest::class.java)
     }
 
+    @Provides
+    @Singleton
+    fun okHttpClient():OkHttpClient{
+        return OkHttpClient.Builder()
+            .addInterceptor(NetworkInterceptor())
+            .build()
+    }
+
+    @Provides
+    @Singleton
+    fun getGaanaInterface(moshi: Moshi,okHttpClient: OkHttpClient):GaanaInterface{
+        val retrofit = Retrofit.Builder()
+            .baseUrl("https://api.gaana.com/")
+            .client(okHttpClient)
+            .addConverterFactory(MoshiConverterFactory.create(moshi))
+            .build()
+        return retrofit.create(GaanaInterface::class.java)
+    }
+
+    @Provides
+    @Singleton
+    fun getYoutubeMusicApi(moshi: Moshi): YoutubeMusicApi {
+        val retrofit = Retrofit.Builder()
+            .baseUrl("https://music.youtube.com/youtubei/v1/")
+            .addConverterFactory(ScalarsConverterFactory.create())
+            .addConverterFactory(MoshiConverterFactory.create(moshi))
+            .build()
+        return retrofit.create(YoutubeMusicApi::class.java)
+    }
+
 }

app/src/main/java/com/shabinder/spotiflyer/utils/TrackListFragment.kt

@@ -0,0 +1,146 @@
+/*
+ * Copyright (C)  2020  Shabinder Singh
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.shabinder.spotiflyer.utils
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
+import android.os.Bundle
+import android.util.Log
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import androidx.lifecycle.ViewModelProvider
+import androidx.navigation.NavArgs
+import com.shabinder.spotiflyer.R
+import com.shabinder.spotiflyer.SharedViewModel
+import com.shabinder.spotiflyer.databinding.TrackListFragmentBinding
+import com.shabinder.spotiflyer.models.DownloadStatus
+import com.shabinder.spotiflyer.models.TrackDetails
+import com.shabinder.spotiflyer.models.spotify.Source
+import com.shabinder.spotiflyer.recyclerView.TrackListAdapter
+import com.shabinder.spotiflyer.utils.Provider.mainActivity
+
+abstract class TrackListFragment<VM : TrackListViewModel , args: NavArgs> : Fragment() {
+
+    protected lateinit var sharedViewModel: SharedViewModel
+    protected lateinit var binding: TrackListFragmentBinding
+    protected abstract var viewModel: VM
+    protected abstract var adapter: TrackListAdapter
+    protected abstract var source: Source
+    private var intentFilter: IntentFilter? = null
+    private var updateUIReceiver: BroadcastReceiver? = null
+    protected abstract val args:NavArgs
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        if(!isOnline()){
+            showNoConnectionAlert()
+            mainActivity.onBackPressed()
+        }
+        sharedViewModel = ViewModelProvider(this.requireActivity()).get(SharedViewModel::class.java)
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        binding =  TrackListFragmentBinding.inflate(inflater,container,false)
+        return binding.root
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        initializeLiveDataObservers()
+    }
+
+    /**
+     *Live Data Observers
+     **/
+    private fun initializeLiveDataObservers() {
+        viewModel.trackList.observe(viewLifecycleOwner, {
+            if (!it.isNullOrEmpty()){
+                Log.i("GaanaFragment","TrackList Updated")
+                adapter.submitList(it, source)
+                checkIfAllDownloaded()
+            }
+        })
+
+        viewModel.coverUrl.observe(viewLifecycleOwner, {
+            it?.let{bindImage(binding.coverImage,it, source)}
+        })
+
+        viewModel.title.observe(viewLifecycleOwner, {
+            binding.titleView.text = it
+        })
+    }
+
+    private fun initializeBroadcast() {
+        intentFilter = IntentFilter()
+        intentFilter?.addAction("track_download_completed")
+
+        updateUIReceiver = object : BroadcastReceiver() {
+            override fun onReceive(context: Context?, intent: Intent?) {
+                //UI update here
+                if (intent != null){
+                    val trackDetails = intent.getParcelableExtra<TrackDetails?>("track")
+                    trackDetails?.let {
+                        val position: Int = viewModel.trackList.value?.map { it.title }?.indexOf(trackDetails.title) ?: -1
+                        Log.i("Track","Download Completed Intent :$position")
+                        if(position != -1) {
+                            val track = viewModel.trackList.value?.get(position)
+                            track?.let{
+                                it.downloaded = DownloadStatus.Downloaded
+                                viewModel.trackList.value?.set(position, it)
+                                adapter.notifyItemChanged(position)
+                                checkIfAllDownloaded()
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        requireActivity().registerReceiver(updateUIReceiver, intentFilter)
+    }
+
+    override fun onResume() {
+        super.onResume()
+        initializeBroadcast()
+    }
+
+    override fun onPause() {
+        super.onPause()
+        requireActivity().unregisterReceiver(updateUIReceiver)
+    }
+
+    private fun checkIfAllDownloaded() {
+        if(!viewModel.trackList.value!!.any { it.downloaded != DownloadStatus.Downloaded }){
+            //All Tracks Downloaded
+            binding.btnDownloadAll.visibility = View.GONE
+            binding.downloadingFab.apply{
+                setImageResource(R.drawable.ic_tick)
+                visibility = View.VISIBLE
+                clearAnimation()
+            }
+        }
+    }
+
+}

app/src/main/java/com/shabinder/spotiflyer/utils/TrackListViewModel.kt

@@ -0,0 +1,44 @@
+/*
+ * Copyright (C)  2020  Shabinder Singh
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.shabinder.spotiflyer.utils
+
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import com.shabinder.spotiflyer.models.TrackDetails
+import kotlinx.coroutines.CompletableJob
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+
+abstract class TrackListViewModel:ViewModel() {
+    abstract var folderType:String
+    abstract var subFolder:String
+    open val trackList = MutableLiveData<MutableList<TrackDetails>>()
+
+    private val viewModelJob:CompletableJob = Job()
+    open val uiScope = CoroutineScope(Dispatchers.Main + viewModelJob)
+
+    private val loading = "Loading!"
+    open var title = MutableLiveData<String>().apply { value = loading }
+    open var coverUrl = MutableLiveData<String>()
+
+    override fun onCleared() {
+        super.onCleared()
+        viewModelJob.cancel()
+    }
+}

app/src/main/java/com/shabinder/spotiflyer/utils/Utils.kt

@@ -17,16 +17,288 @@
 
 package com.shabinder.spotiflyer.utils
 
-import com.shabinder.spotiflyer.downloadHelper.SpotifyDownloadHelper
+import android.content.Context
+import android.content.Intent
+import android.net.ConnectivityManager
+import android.net.NetworkCapabilities
+import android.os.Build
+import android.os.Environment
+import android.util.Log
+import android.view.View
+import android.view.animation.Animation
+import android.view.animation.LinearInterpolator
+import android.view.animation.RotateAnimation
+import android.widget.ImageView
+import androidx.core.content.ContextCompat
+import androidx.core.net.toUri
+import com.bumptech.glide.Glide
+import com.bumptech.glide.load.DataSource
+import com.bumptech.glide.load.engine.GlideException
+import com.bumptech.glide.request.RequestListener
+import com.bumptech.glide.request.target.Target
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import com.google.android.material.snackbar.Snackbar
+import com.shabinder.spotiflyer.R
+import com.shabinder.spotiflyer.models.DownloadObject
+import com.shabinder.spotiflyer.models.spotify.Source
+import com.shabinder.spotiflyer.utils.Provider.defaultDir
+import com.shabinder.spotiflyer.utils.Provider.mainActivity
+import com.shabinder.spotiflyer.worker.ForegroundService
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import java.io.File
+import java.io.IOException
+
+fun loadAllImages(context: Context?, images:ArrayList<String>? = null ) {
+    val serviceIntent = Intent(context, ForegroundService::class.java)
+    images?.let {  serviceIntent.putStringArrayListExtra("imagesList",it) }
+    context?.let { ContextCompat.startForegroundService(it, serviceIntent) }
+}
+
+fun startService(context:Context?,objects:ArrayList<DownloadObject>? = null ) {
+    val serviceIntent = Intent(context, ForegroundService::class.java)
+    objects?.let {  serviceIntent.putParcelableArrayListExtra("object",it) }
+    context?.let { ContextCompat.startForegroundService(it, serviceIntent) }
+}
+
+fun finalOutputDir(itemName:String? = null,type:String, subFolder:String?=null,extension:String? = ".mp3"): String{
+    return Environment.getExternalStorageDirectory().toString() + File.separator +
+            defaultDir + removeIllegalChars(type) + File.separator +
+            (if(subFolder == null){""}else{ removeIllegalChars(subFolder) + File.separator}
+                    + itemName?.let { removeIllegalChars(it) + extension})
+}
+
+/**
+ * Util. Function To Check Connection Status
+ **/
+@Suppress("DEPRECATION")
+fun isOnline(): Boolean {
+    var result = false
+    val connectivityManager =
+        mainActivity.applicationContext.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager?
+    connectivityManager?.let {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            it.getNetworkCapabilities(connectivityManager.activeNetwork)?.apply {
+                result = when {
+                    hasTransport(NetworkCapabilities.TRANSPORT_WIFI) -> true
+                    hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR) -> true
+                    hasTransport(NetworkCapabilities.TRANSPORT_ETHERNET) ->  true
+                    else -> false
+                }
+            }
+        } else {
+            val netInfo =
+                (mainActivity.applicationContext.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager).activeNetworkInfo
+            result = netInfo != null && netInfo.isConnected
+        }
+    }
+    return result
+}
+
+fun showMessage(message: String, long: Boolean = false,isSuccess:Boolean = false , isError:Boolean = false){
+    CoroutineScope(Dispatchers.Main).launch{
+        Snackbar.make(
+            mainActivity.snackBarAnchor,
+            message,
+            if (long) Snackbar.LENGTH_LONG else Snackbar.LENGTH_SHORT
+        ).apply {
+            setAction("Ok") {
+                dismiss()
+            }
+            setActionTextColor(ContextCompat.getColor(mainActivity,R.color.black))
+            when{
+                isSuccess -> setBackgroundTint(ContextCompat.getColor(mainActivity,R.color.successGreen))
+                isError -> setBackgroundTint(ContextCompat.getColor(mainActivity,R.color.errorRed))
+            }
+        }.show()
+    }
+}
+
+
+fun rotateAnim(view: View){
+    val rotate = RotateAnimation(
+        0F, 360F,
+        Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f
+    )
+    rotate.duration = 1000
+    rotate.repeatCount = Animation.INFINITE
+    rotate.repeatMode = Animation.INFINITE
+    rotate.interpolator = LinearInterpolator()
+    view.animation = rotate
+}
+
+fun showNoConnectionAlert(){
+    CoroutineScope(Dispatchers.Main).launch {
+        mainActivity.apply {
+            MaterialAlertDialogBuilder(this, R.style.AlertDialogTheme)
+                .setTitle(resources.getString(R.string.title))
+                .setMessage(resources.getString(R.string.supporting_text))
+                .setPositiveButton(resources.getString(R.string.cancel)) { _, _ ->
+                    // Respond to neutral button press
+                }.show()
+        }
+    }
+}
+fun bindImage(imgView: ImageView, imgUrl: String?,source: Source?) {
+    imgUrl?.let {
+        val imgUri = imgUrl.toUri().buildUpon().scheme("https").build()
+        Glide
+            .with(imgView)
+            .asFile()
+            .load(imgUri)
+            .placeholder(R.drawable.ic_song_placeholder)
+            .error(R.drawable.ic_musicplaceholder)
+            .listener(object:RequestListener<File>{
+                override fun onLoadFailed(
+                    e: GlideException?,
+                    model: Any?,
+                    target: Target<File>?,
+                    isFirstResource: Boolean
+                ): Boolean {
+                    Log.i("Glide","LoadFailed")
+                    return false
+                }
+
+                override fun onResourceReady(
+                    resource: File?,
+                    model: Any?,
+                    target: Target<File>?,
+                    dataSource: DataSource?,
+                    isFirstResource: Boolean
+                ): Boolean {
+                    CoroutineScope(Dispatchers.Main).launch {
+                            try {
+                                val file = when(source){
+                                    Source.Spotify->{
+                                        File(
+                                            Environment.getExternalStorageDirectory(),
+                                            defaultDir+".Images/" + imgUrl.substringAfterLast('/',imgUrl) + ".jpeg"
+                                        )
+                                    }
+                                    Source.YouTube->{
+                                        //Url Format: https://i.ytimg.com/vi/$searchId/maxresdefault.jpg"
+                                        // We Are Naming using "$searchId"
+                                        File(
+                                            Environment.getExternalStorageDirectory(),
+                                            defaultDir+".Images/" + imgUrl.substringBeforeLast('/',imgUrl).substringAfterLast('/',imgUrl) + ".jpeg"
+                                        )
+                                    }
+                                    Source.Gaana -> {
+                                        File(
+                                            Environment.getExternalStorageDirectory(),
+                                            Provider.defaultDir +".Images/" + (imgUrl.substringBeforeLast('/').substringAfterLast('/')) + ".jpeg")
+                                    }
+                                    else ->  File(
+                                        Environment.getExternalStorageDirectory(),
+                                        defaultDir+".Images/" + imgUrl.substringAfterLast('/',imgUrl) + ".jpeg"
+                                    )
+                                }
+                                 // the File to save , append increasing numeric counter to prevent files from getting overwritten.
+                                resource?.copyTo(file)
+                                Glide.with(imgView)
+                                    .load(file)
+                                    .placeholder(R.drawable.ic_song_placeholder)
+                                    .into(imgView)
+                            } catch (e: IOException) {
+                                e.printStackTrace()
+                            }
+                    }
+                     return false
+                }
+            }).submit()
+        }
+    }
+
+/**
+ *Extension Function For Copying Files!
+ **/
+fun File.copyTo(file: File) {
+    inputStream().use { input ->
+        file.outputStream().use { output ->
+            input.copyTo(output)
+        }
+    }
+}
+fun createDirectory(dir:String){
+    val yourAppDir = File(Environment.getExternalStorageDirectory(),
+         dir)
+
+    if(!yourAppDir.exists() && !yourAppDir.isDirectory)
+    { // create empty directory
+        if (yourAppDir.mkdirs())
+        {Log.i("CreateDir","App dir created")}
+        else
+        {Log.w("CreateDir","Unable to create app dir!")}
+    }
+    else
+    {Log.i("CreateDir","App dir already exists")}
+}
+/**
+ * Removing Illegal Chars from File Name
+ * **/
+fun removeIllegalChars(fileName: String): String? {
+    val illegalCharArray = charArrayOf(
+        '/',
+        '\n',
+        '\r',
+        '\t',
+        '\u0000',
+        '\u000C',
+        '`',
+        '?',
+        '*',
+        '\\',
+        '<',
+        '>',
+        '|',
+        '\"',
+        '.',
+        '-',
+        '\''
+    )
+
+    var name = fileName
+    for (c in illegalCharArray) {
+        name = fileName.replace(c, '_')
+    }
+    name = name.replace("\\s".toRegex(), "_")
+    name = name.replace("\\)".toRegex(), "")
+    name = name.replace("\\(".toRegex(), "")
+    name = name.replace("\\[".toRegex(), "")
+    name = name.replace("]".toRegex(), "")
+    name = name.replace("\\.".toRegex(), "")
+    name = name.replace("\"".toRegex(), "")
+    name = name.replace("\'".toRegex(), "")
+    name = name.replace(":".toRegex(), "")
+    name = name.replace("\\|".toRegex(), "")
+    return name
+}
 
 fun createDirectories() {
-    createDirectory(SpotifyDownloadHelper.defaultDir)
+    createDirectory(defaultDir)
-    createDirectory(SpotifyDownloadHelper.defaultDir + ".Images/")
+    createDirectory(defaultDir + ".Images/")
-    createDirectory(SpotifyDownloadHelper.defaultDir + "Tracks/")
+    createDirectory(defaultDir + "Tracks/")
-    createDirectory(SpotifyDownloadHelper.defaultDir + "Albums/")
+    createDirectory(defaultDir + "Albums/")
-    createDirectory(SpotifyDownloadHelper.defaultDir + "Playlists/")
+    createDirectory(defaultDir + "Playlists/")
-    createDirectory(SpotifyDownloadHelper.defaultDir + "YT_Downloads/")
+    createDirectory(defaultDir + "YT_Downloads/")
 }
 fun getEmojiByUnicode(unicode: Int): String? {
     return String(Character.toChars(unicode))
 }
+
+/*
+internal val nullOnEmptyConverterFactory = object : Converter.Factory() {
+    fun converterFactory() = this
+    override fun responseBodyConverter(
+        type: Type,
+        annotations: Array<out Annotation>,
+        retrofit: Retrofit
+    ) = object : Converter<ResponseBody, Any?> {
+        val nextResponseBodyConverter =
+            retrofit.nextResponseBodyConverter<Any?>(converterFactory(), type, annotations)
+
+        override fun convert(value: ResponseBody) =
+            if (value.contentLength() != 0L) nextResponseBodyConverter.convert(value) else null
+    }
+}*/

app/src/main/java/com/shabinder/spotiflyer/worker/ForegroundService.kt

@@ -17,6 +17,7 @@
 
 package com.shabinder.spotiflyer.worker
 
+import android.annotation.SuppressLint
 import android.app.*
 import android.app.DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED
 import android.content.BroadcastReceiver
@@ -28,27 +29,37 @@ import android.os.*
 import android.util.Log
 import androidx.annotation.RequiresApi
 import androidx.core.app.NotificationCompat
+import androidx.core.net.toUri
 import com.arthenica.mobileffmpeg.Config
 import com.arthenica.mobileffmpeg.Config.RETURN_CODE_CANCEL
 import com.arthenica.mobileffmpeg.Config.RETURN_CODE_SUCCESS
 import com.arthenica.mobileffmpeg.FFmpeg
+import com.bumptech.glide.Glide
+import com.bumptech.glide.load.DataSource
+import com.bumptech.glide.load.engine.GlideException
+import com.bumptech.glide.request.RequestListener
+import com.bumptech.glide.request.target.Target
+import com.github.kiulian.downloader.YoutubeDownloader
+import com.github.kiulian.downloader.model.formats.Format
+import com.github.kiulian.downloader.model.quality.AudioQuality
 import com.mpatric.mp3agic.ID3v1Tag
 import com.mpatric.mp3agic.ID3v24Tag
 import com.mpatric.mp3agic.Mp3File
 import com.shabinder.spotiflyer.MainActivity
 import com.shabinder.spotiflyer.R
-import com.shabinder.spotiflyer.downloadHelper.SpotifyDownloadHelper
 import com.shabinder.spotiflyer.models.DownloadObject
-import com.shabinder.spotiflyer.models.Track
+import com.shabinder.spotiflyer.models.TrackDetails
+import com.shabinder.spotiflyer.utils.Provider
+import com.shabinder.spotiflyer.utils.copyTo
 import com.tonyodev.fetch2.*
 import com.tonyodev.fetch2core.DownloadBlock
-import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.*
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.Job
-import kotlinx.coroutines.launch
 import java.io.File
 import java.io.FileInputStream
+import java.io.IOException
+import java.util.*
 
+@Suppress("DEPRECATION")
 class ForegroundService : Service(){
     private val tag = "Foreground Service"
     private val channelId = "ForegroundDownloaderService"
@@ -56,22 +67,21 @@ class ForegroundService : Service(){
     private var total = 0 //Total Downloads Requested
     private var converted = 0//Total Files Converted
     private var downloaded = 0//Total Files downloaded
-    private var fetch:Fetch? = null
+    private lateinit var fetch:Fetch
-    private var downloadManager : DownloadManager? = null
+    private lateinit var ytDownloader: YoutubeDownloader
-    private var downloadList = mutableListOf<DownloadObject>()
+    private lateinit var downloadManager : DownloadManager
     private var serviceJob = Job()
     private val serviceScope = CoroutineScope(Dispatchers.IO + serviceJob)
-    private val requestMap = mutableMapOf<Request,Track>()
+    private val requestMap = mutableMapOf<Request, TrackDetails>()
-    private val downloadMap = mutableMapOf<String,Track>()
     private var speed :Long = 0
-    private var defaultDirectory = Environment.DIRECTORY_MUSIC + File.separator + "SpotiFlyer" + File.separator
+    private var defaultDir = Environment.DIRECTORY_MUSIC + File.separator + "SpotiFlyer" + File.separator
     private val parentDirectory = File(Environment.getExternalStorageDirectory(),
-        defaultDirectory+File.separator
+        defaultDir +File.separator
     )
     private var wakeLock: PowerManager.WakeLock? = null
     private var isServiceStarted = false
     var notificationLine = 0
-    val messageList = mutableListOf<String>("","","","")
+    val messageList = mutableListOf("","","","")
     private var pendingIntent:PendingIntent? = null
 
 
@@ -88,7 +98,7 @@ class ForegroundService : Service(){
             0, notificationIntent, 0
         )
         downloadManager = getSystemService(Context.DOWNLOAD_SERVICE) as DownloadManager
-
+        ytDownloader = YoutubeDownloader()
         val fetchConfiguration =
             FetchConfiguration.Builder(this)
                 .setDownloadConcurrentLimit(4)
@@ -97,90 +107,41 @@ class ForegroundService : Service(){
         Fetch.setDefaultInstanceConfiguration(fetchConfiguration)
 
         fetch = Fetch.getDefaultInstance()
-//        fetch?.enableLogging(true)
+        fetch.addListener(fetchListener)
-        fetch?.addListener(fetchListener)
         //clearing all not completed Downloads
         //Starting fresh
-        fetch?.removeAll()
+        fetch.removeAll()
 
         startForeground()
     }
 
-    /**
+    @SuppressLint("WakelockTimeout")
-     *Starting Service with Notification as Foreground!
-     **/
-    private fun startForeground() {
-        val channelId =
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-                createNotificationChannel(channelId, "Downloader Service")
-            } else {
-                // If earlier version channel ID is not used
-                // https://developer.android.com/reference/android/support/v4/app/NotificationCompat.Builder.html#NotificationCompat.Builder(android.content.Context)
-                ""
-            }
-
-        val notification = NotificationCompat.Builder(this, channelId)
-            .setSmallIcon(R.drawable.down_arrowbw)
-            .setNotificationSilent()
-            .setSubText("Total: $total  Completed:$converted")
-            .setStyle(NotificationCompat.InboxStyle()
-                .setBigContentTitle("Speed: $speed KB/s")
-                .addLine(messageList[0])
-                .addLine(messageList[1])
-                .addLine(messageList[2])
-                .addLine(messageList[3]))
-            .setContentIntent(pendingIntent)
-            .build()
-        startForeground(notificationId, notification)
-    }
-
-    @RequiresApi(Build.VERSION_CODES.O)
-    private fun createNotificationChannel(channelId: String, channelName: String): String{
-        val chan = NotificationChannel(channelId,
-            channelName, NotificationManager.IMPORTANCE_DEFAULT)
-        chan.lockscreenVisibility = Notification.VISIBILITY_PUBLIC
-        val service = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
-        service.createNotificationChannel(chan)
-        return channelId
-    }
-
     override fun onStartCommand(intent: Intent, flags: Int, startId: Int): Int {
         // Send a notification that service is started
         Log.i(tag,"Service Started.")
         startForeground()
-        //do heavy work on a background thread
+        val downloadObjects: ArrayList<DownloadObject>? = (intent.getParcelableArrayListExtra("object") ?: intent.extras?.getParcelableArrayList("object"))
-        //val list = intent.getSerializableExtra("list") as List<Any?>
+        val imagesList: ArrayList<String>? = (intent.getStringArrayListExtra("imagesList") ?: intent.extras?.getStringArrayList("imagesList"))
-//        val list = intent.getParcelableArrayListExtra<DownloadObject>("list") ?: intent.extras?.getParcelableArrayList<DownloadObject>("list")
-//        Log.i(tag,"Intent List Size: ${list!!.size}")
-        val obj = intent.getParcelableExtra<DownloadObject>("object") ?: intent.extras?.getParcelable<DownloadObject>("object")
-        obj?.let {
-            total ++
-//        Log.i(tag,"Intent List Size: ${list!!.size}")
-            updateNotification()
-            serviceScope.launch {
-                    val request= Request(obj.url, obj.outputDir)
-                    request.priority = Priority.NORMAL
-                    request.networkType = NetworkType.ALL
 
-                    fetch!!.enqueue(request,
+        imagesList?.let{
-                        {
+            serviceScope.launch {
-                            obj.track?.let { it1 -> requestMap.put(it, it1) }
+                loadAllImages(it)
-                            downloadList.remove(obj)
-                            Log.i(tag, "Enqueuing Download")
-                        },
-                        {
-                            Log.i(tag, "Enqueuing Error:${it.throwable.toString()}")}
-                    )
             }
         }
 
+        downloadObjects?.let {
+            total += downloadObjects.size
+            updateNotification()
+            downloadAllTracks(downloadObjects)
+        }
+
         //Wake locks and misc tasks from here :
         return if (isServiceStarted){
+            //Service Already Started
             START_STICKY
         } else{
             Log.i(tag,"Starting the foreground service task")
             isServiceStarted = true
-
             wakeLock =
                 (getSystemService(Context.POWER_SERVICE) as PowerManager).run {
                     newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "EndlessService::lock").apply {
@@ -191,9 +152,53 @@ class ForegroundService : Service(){
         }
     }
 
+    private fun downloadAllTracks(downloadObjects: List<DownloadObject>){
+        serviceScope.launch(Dispatchers.IO) {
+            for(downloadObj in downloadObjects){
+                try {
+                    val video = ytDownloader.getVideo(downloadObj.ytVideoId)
+                    val format: Format? = try {
+                        video?.findAudioWithQuality(AudioQuality.medium)?.get(0) as Format
+                    } catch (e: java.lang.IndexOutOfBoundsException) {
+                        try {
+                            video?.findAudioWithQuality(AudioQuality.high)?.get(0) as Format
+                        } catch (e: java.lang.IndexOutOfBoundsException) {
+                            try {
+                                video?.findAudioWithQuality(AudioQuality.low)?.get(0) as Format
+                            } catch (e: java.lang.IndexOutOfBoundsException) {
+                                Log.i("YTDownloader", e.toString())
+                                null
+                            }
+                        }
+                    }
+                    format?.let {
+                        val url: String = format.url()
+                        Log.i("DHelper Link Found", url)
+                        serviceScope.launch {
+                            val request= Request(url, downloadObj.outputFile)
+                            request.priority = Priority.NORMAL
+                            request.networkType = NetworkType.ALL
+
+                            fetch.enqueue(request,
+                                {
+                                    requestMap[it] = downloadObj.trackDetails
+                                    Log.i(tag, "Enqueuing Download")
+                                },
+                                {
+                                    Log.i(tag, "Enqueuing Error:${it.throwable.toString()}")}
+                            )
+                        }
+                    }
+                }catch (e: com.github.kiulian.downloader.YoutubeException){
+                    Log.i("Service YT Error", e.message.toString())
+                }
+            }
+        }
+    }
+
     override fun onDestroy() {
         super.onDestroy()
-        if(downloadMap.isEmpty() && converted == total){
+        if(converted == total){
             Handler().postDelayed({
                 Log.i(tag,"Service destroyed.")
                 deleteFile(parentDirectory)
@@ -203,25 +208,11 @@ class ForegroundService : Service(){
         }
     }
 
-    private fun releaseWakeLock() {
-        Log.i(tag,"Releasing Wake Lock")
-        try {
-            wakeLock?.let {
-                if (it.isHeld) {
-                    it.release()
-                }
-            }
-        } catch (e: Exception) {
-            Log.i(tag,"Service stopped without being started: ${e.message}")
-        }
-        isServiceStarted = false
-    }
-
-
     override fun onTaskRemoved(rootIntent: Intent?) {
         super.onTaskRemoved(rootIntent)
-        if(downloadMap.isEmpty() && converted == total ){
+        if(converted == total ){
             Log.i(tag,"Service Removed.")
+            deleteFile(parentDirectory)
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
                 stopForeground(true)
             } else {
@@ -230,25 +221,6 @@ class ForegroundService : Service(){
         }
     }
 
-    /**
-     * Deleting All Residual Files except Mp3 Files
-     **/
-    private fun deleteFile(dir:File) {
-        Log.i(tag,"Starting Deletions in ${dir.path} ")
-        val fList = dir.listFiles()
-        fList?.let {
-            for (file in fList) {
-                if (file.isDirectory) {
-                    deleteFile(file)
-                } else if(file.isFile) {
-                    if(file.path.toString().substringAfterLast(".") != "mp3"){
-//                        Log.i(tag,"deleting ${file.path}")
-                        file.delete()
-                    }
-                }
-            }
-        }
-    }
 
     /**
      * Fetch Listener/ Responsible for Fetch Behaviour
@@ -277,23 +249,23 @@ class ForegroundService : Service(){
             val track  = requestMap[download.request]
             when(notificationLine){
                 0 -> {
-                    messageList[0] = "Downloading ${track?.name}"
+                    messageList[0] = "Downloading ${track?.title}"
                     notificationLine = 1
                 }
                 1 -> {
-                    messageList[1] = "Downloading ${track?.name}"
+                    messageList[1] = "Downloading ${track?.title}"
                     notificationLine = 2
                 }
                 2-> {
-                    messageList[2] = "Downloading ${track?.name}"
+                    messageList[2] = "Downloading ${track?.title}"
                     notificationLine = 3
                 }
                 3 -> {
-                    messageList[3] = "Downloading ${track?.name}"
+                    messageList[3] = "Downloading ${track?.title}"
                     notificationLine = 0
                 }
             }
-            Log.i(tag,"${track?.name} Download Started")
+            Log.i(tag,"${track?.title} Download Started")
             updateNotification()
         }
 
@@ -312,32 +284,27 @@ class ForegroundService : Service(){
         override fun onCompleted(download: Download) {
             val track = requestMap[download.request]
             for (message in messageList){
-                if( message == "Downloading ${track?.name}"){
+                if( message == "Downloading ${track?.title}"){
+                    //Remove Downloading Status from Notification
                     messageList[messageList.indexOf(message)] = ""
                 }
             }
-            //Notify Download Completed
-            val intent = Intent()
-                .setAction("track_download_completed")
-                .putExtra("track",track)
-            this@ForegroundService.sendBroadcast(intent)
-
 
             serviceScope.launch {
                 try{
-                    convertToMp3(download.file, track!!)
+                    track?.let { convertToMp3(download.file, it) }
-                    Log.i(tag,"${track.name} Download Completed")
+                    Log.i(tag,"${track?.title} Download Completed")
                 }catch (e:KotlinNullPointerException
                 ){
-                    Log.i(tag,"${track?.name} Download Failed! Error:Fetch!!!!")
+                    Log.i(tag,"${track?.title} Download Failed! Error:Fetch!!!!")
-                    Log.i(tag,"${track?.name} Requesting Download thru Android DM")
+                    Log.i(tag,"${track?.title} Requesting Download thru Android DM")
                     downloadUsingDM(download.request.url,download.request.file, track!!)
                     downloaded++
                     requestMap.remove(download.request)
                 }
             }
             speed = 0
-            updateNotification()
+//            updateNotification()
         }
 
         override fun onDeleted(download: Download) {
@@ -357,7 +324,7 @@ class ForegroundService : Service(){
                 val track = requestMap[download.request]
                 downloaded++
                 Log.i(tag,download.error.throwable.toString())
-                Log.i(tag,"${track?.name} Requesting Download thru Android DM")
+                Log.i(tag,"${track?.title} Requesting Download thru Android DM")
                 downloadUsingDM(download.request.url,download.request.file, track!!)
                 requestMap.remove(download.request)
             }
@@ -374,9 +341,9 @@ class ForegroundService : Service(){
             downloadedBytesPerSecond: Long
         ) {
             val track  = requestMap[download.request]
-            Log.i(tag,"${track?.name} ETA: ${etaInMilliSeconds/1000} sec")
+            Log.i(tag,"${track?.title} ETA: ${etaInMilliSeconds/1000} sec")
             speed = (downloadedBytesPerSecond/1000)
-            updateNotification()
+//            updateNotification()
         }
 
     }
@@ -384,7 +351,7 @@ class ForegroundService : Service(){
     /**
     * If fetch Fails , Android Download Manager To RESCUE!!
     **/
-    fun downloadUsingDM(url:String, outputDir:String, track: Track){
+    fun downloadUsingDM(url:String, outputDir:String, track: TrackDetails){
         val uri = Uri.parse(url)
         val request = DownloadManager.Request(uri)
             .setAllowedNetworkTypes(
@@ -392,14 +359,14 @@ class ForegroundService : Service(){
                         DownloadManager.Request.NETWORK_MOBILE
             )
             .setAllowedOverRoaming(false)
-            .setTitle(track.name)
+            .setTitle(track.title)
             .setDescription("Spotify Downloader Working Up here...")
             .setDestinationInExternalPublicDir(Environment.DIRECTORY_MUSIC, outputDir.removePrefix(
                 Environment.getExternalStorageDirectory().toString() + Environment.DIRECTORY_MUSIC + File.separator
             ))
             .setNotificationVisibility(VISIBILITY_VISIBLE_NOTIFY_COMPLETED)
         //Start Download
-        val downloadID = downloadManager?.enqueue(request)
+        val downloadID = downloadManager.enqueue(request)
         Log.i("DownloadManager", "Download Request Sent")
 
         val onDownloadComplete: BroadcastReceiver = object : BroadcastReceiver() {
@@ -421,7 +388,7 @@ class ForegroundService : Service(){
     /**
      *Converting Downloaded Audio (m4a) to Mp3.( Also Applying Metadata)
      **/
-    fun convertToMp3(filePath: String, track: Track){
+    fun convertToMp3(filePath: String, track: TrackDetails){
         val m4aFile = File(filePath)
 
         FFmpeg.executeAsync(
@@ -444,7 +411,7 @@ class ForegroundService : Service(){
         }
     }
 
-    private fun writeMp3Tags(filePath:String, track: Track){
+    private fun writeMp3Tags(filePath:String, track: TrackDetails){
         var mp3File = Mp3File(filePath)
         mp3File =  removeAllTags(mp3File)
         mp3File = setId3v1Tags(mp3File,track)
@@ -457,11 +424,17 @@ class ForegroundService : Service(){
         newFile.renameTo(file)
         converted++
         updateNotification()
+
+        //Notify Download Completed
+        val intent = Intent()
+            .setAction("track_download_completed")
+            .putExtra("track",track)
+        this@ForegroundService.sendBroadcast(intent)
+
         //All tasks completed (REST IN PEACE)
         if(converted == total){
             onDestroy()
         }
-
     }
 
     /**
@@ -475,7 +448,7 @@ class ForegroundService : Service(){
             .setSubText("Total: $total  Completed:$converted")
             .setNotificationSilent()
             .setStyle(NotificationCompat.InboxStyle()
-                .setBigContentTitle("Speed: $speed KB/s")
+//                .setBigContentTitle("Speed: $speed KB/s")
                 .addLine(messageList[0])
                 .addLine(messageList[1])
                 .addLine(messageList[2])
@@ -486,64 +459,42 @@ class ForegroundService : Service(){
     }
 
     /**
-     *Modifying Mp3 Tags with MetaData!
+     *Modifying Mp3 com.shabinder.spotiflyer.models.gaana.Tags with MetaData!
      **/
-    private fun setId3v1Tags(mp3File: Mp3File, track: Track): Mp3File {
+    private fun setId3v1Tags(mp3File: Mp3File, track: TrackDetails): Mp3File {
-        val id3v1Tag = ID3v1Tag()
+        val id3v1Tag = ID3v1Tag().apply {
-        id3v1Tag.track = track.disc_number.toString()
+            artist = track.artists.joinToString(",")
-        val artistsList = mutableListOf<String>()
+            title = track.title
-        track.artists?.forEach { artistsList.add(it!!.name!!) }
+            album = track.albumName
-        id3v1Tag.artist = artistsList.joinToString()
+            year = track.year
-        id3v1Tag.title = track.name
+            comment = "Genres:${track.comment}"
-        id3v1Tag.album = track.album?.name
+        }
-        id3v1Tag.year = track.album?.release_date
-        id3v1Tag.comment = "Genres:${track.album?.genres?.joinToString()}"
         mp3File.id3v1Tag = id3v1Tag
         return mp3File
     }
-    private fun setId3v2Tags(mp3file: Mp3File, track: Track): Mp3File {
+    private fun setId3v2Tags(mp3file: Mp3File, track: TrackDetails): Mp3File {
-        val id3v2Tag = ID3v24Tag()
+        val id3v2Tag = ID3v24Tag().apply {
-        id3v2Tag.track = track.disc_number.toString()
+            artist = track.artists.joinToString(",")
-        val artistsList = mutableListOf<String>()
+            title = track.title
-        track.artists?.forEach { artistsList.add(it!!.name!!) }
+            album = track.albumName
-        id3v2Tag.artist = artistsList.joinToString()
+            year = track.year
-        id3v2Tag.title = track.name
+            comment = "Genres:${track.comment}"
-        id3v2Tag.album = track.album?.name
+            lyrics = "Gonna Implement Soon"
-        id3v2Tag.year = track.album?.release_date
+            url = track.trackUrl
-        id3v2Tag.comment = "Genres:${track.album?.genres?.joinToString()}"
+        }
-        id3v2Tag.lyrics = "Gonna Implement Soon"
+        val bytesArray = ByteArray(track.albumArt.length().toInt())
-        val copyrights = mutableListOf<String>()
+        try{
-        track.album?.copyrights?.forEach { copyrights.add(it!!.type!!) }
+            val fis = FileInputStream(track.albumArt)
-        id3v2Tag.copyright = copyrights.joinToString()
-        id3v2Tag.url = track.href
-        track.ytCoverUrl?.let {
-            val file = File(
-                Environment.getExternalStorageDirectory(),
-                SpotifyDownloadHelper.defaultDir +".Images/" + it.substringAfterLast('/',it) + ".jpeg")
-            Log.i("Mp3Tags editing Tags",file.path)
-            //init array with file length
-            val bytesArray = ByteArray(file.length().toInt())
-            val fis = FileInputStream(file)
             fis.read(bytesArray) //read file into bytes[]
             fis.close()
             id3v2Tag.setAlbumImage(bytesArray,"image/jpeg")
+        }catch (e:java.io.FileNotFoundException){
+            Log.i("Error","Couldn't Write Mp3 Album Art")
         }
-        track.album?.let {
-            val file = File(
-                Environment.getExternalStorageDirectory(),
-                SpotifyDownloadHelper.defaultDir +".Images/" + (it.images?.get(0)?.url!!).substringAfterLast('/') + ".jpeg")
-            Log.i("Mp3Tags editing Tags",file.path)
-            //init array with file length
-            val bytesArray = ByteArray(file.length().toInt())
-            val fis = FileInputStream(file)
-            fis.read(bytesArray) //read file into bytes[]
-            fis.close()
-            id3v2Tag.setAlbumImage(bytesArray,"image/jpeg")
-        }
-        id3v2Tag.albumImage
         mp3file.id3v2Tag = id3v2Tag
         return mp3file
     }
+
     private fun removeAllTags(mp3file: Mp3File): Mp3File {
         if (mp3file.hasId3v1Tag()) {
             mp3file.removeId3v1Tag()
@@ -557,4 +508,146 @@ class ForegroundService : Service(){
         return mp3file
     }
 
+    private fun releaseWakeLock() {
+        Log.i(tag,"Releasing Wake Lock")
+        try {
+            wakeLock?.let {
+                if (it.isHeld) {
+                    it.release()
+                }
+            }
+        } catch (e: Exception) {
+            Log.i(tag,"Service stopped without being started: ${e.message}")
+        }
+        isServiceStarted = false
+    }
+
+    /**
+     *Starting Service with Notification as Foreground!
+     **/
+    private fun startForeground() {
+        val channelId =
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                createNotificationChannel(channelId, "Downloader Service")
+            } else {
+                // If earlier version channel ID is not used
+                // https://developer.android.com/reference/android/support/v4/app/NotificationCompat.Builder.html#NotificationCompat.Builder(android.content.Context)
+                ""
+            }
+
+        val notification = NotificationCompat.Builder(this, channelId)
+            .setSmallIcon(R.drawable.down_arrowbw)
+            .setNotificationSilent()
+            .setSubText("Total: $total  Completed:$converted")
+            .setStyle(NotificationCompat.InboxStyle()
+//                .setBigContentTitle("Speed: $speed KB/s")
+                .addLine(messageList[0])
+                .addLine(messageList[1])
+                .addLine(messageList[2])
+                .addLine(messageList[3]))
+            .setContentIntent(pendingIntent)
+            .build()
+        startForeground(notificationId, notification)
+    }
+
+    @Suppress("SameParameterValue")
+    @RequiresApi(Build.VERSION_CODES.O)
+    private fun createNotificationChannel(channelId: String, channelName: String): String{
+        val chan = NotificationChannel(channelId,
+            channelName, NotificationManager.IMPORTANCE_DEFAULT)
+        chan.lockscreenVisibility = Notification.VISIBILITY_PUBLIC
+        val service = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
+        service.createNotificationChannel(chan)
+        return channelId
+    }
+
+    /**
+     * Deleting All Residual Files except Mp3 Files
+     **/
+    private fun deleteFile(dir:File) {
+        Log.i(tag,"Starting Deletions in ${dir.path} ")
+        val fList = dir.listFiles()
+        fList?.let {
+            for (file in fList) {
+                if (file.isDirectory) {
+                    deleteFile(file)
+                } else if(file.isFile) {
+                    if(file.path.toString().substringAfterLast(".") != "mp3"){
+                        Log.i(tag,"deleting ${file.path}")
+                        file.delete()
+                    }
+                }
+            }
+        }
+    }
+
+    /**
+     * Function to fetch all Images for use in mp3 tags.
+     **/
+    private suspend fun loadAllImages(urlList: ArrayList<String>) {
+        /*
+        * Last Element of this List defines Its Source
+        * */
+        val source = urlList.last()
+        for (url in urlList.subList(0,urlList.size-2)) {
+            val imgUri = url.toUri().buildUpon().scheme("https").build()
+            Glide
+                .with(this)
+                .asFile()
+                .load(imgUri)
+                .listener(object: RequestListener<File> {
+                    override fun onLoadFailed(
+                        e: GlideException?,
+                        model: Any?,
+                        target: Target<File>?,
+                        isFirstResource: Boolean
+                    ): Boolean {
+                        Log.i("Glide","LoadFailed")
+                        return false
+                    }
+
+                    override fun onResourceReady(
+                        resource: File?,
+                        model: Any?,
+                        target: Target<File>?,
+                        dataSource: DataSource?,
+                        isFirstResource: Boolean
+                    ): Boolean {
+                        serviceScope.launch {
+                            withContext(Dispatchers.IO){
+                                try {
+                                    val file = when(source){
+                                        "spotify" ->{
+                                            File(
+                                                Environment.getExternalStorageDirectory(),
+                                                defaultDir +".Images/" + url.substringAfterLast('/') + ".jpeg"
+                                            )
+                                        }
+                                        "youtube" ->{
+                                            File(
+                                                Environment.getExternalStorageDirectory(),
+                                                defaultDir +".Images/" + url.substringBeforeLast('/',url).substringAfterLast('/',url) + ".jpeg"
+                                            )
+                                        }
+                                        "gaana" -> {
+                                            File(
+                                                Environment.getExternalStorageDirectory(),
+                                                Provider.defaultDir +".Images/" + (url.substringBeforeLast('/').substringAfterLast('/')) + ".jpeg")
+                                        }
+                                        else -> File(
+                                            Environment.getExternalStorageDirectory(),
+                                            defaultDir +".Images/" + url.substringAfterLast('/') + ".jpeg")
+                                    }
+                                    resource?.copyTo(file)
+                                } catch (e: IOException) {
+                                    e.printStackTrace()
+                                }
+                            }
+                        }
+                        return false
+                    }
+                }).submit()
+        }
+    }
+
 }

app/src/main/res/drawable/gradient.xml

@@ -16,7 +16,8 @@
   ~ along with this program.  If not, see <https://www.gnu.org/licenses/>.
   -->
 
-<shape xmlns:android="http://schemas.android.com/apk/res/android" >
+<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle" >
+    <solid android:color="@color/black"/>
     <gradient
         android:angle="90"
         android:centerColor="#0F6200FF"

app/src/main/res/drawable/ic_gaana.xml

@@ -0,0 +1,27 @@
+<!--
+  ~ Copyright (C)  2020  Shabinder Singh
+  ~
+  ~ This program is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by
+  ~ the Free Software Foundation, either version 3 of the License, or
+  ~ (at your option) any later version.
+  ~
+  ~ This program is distributed in the hope that it will be useful,
+  ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
+  ~ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  ~ GNU General Public License for more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License
+  ~ along with this program.  If not, see <https://www.gnu.org/licenses/>.
+  -->
+
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="83dp"
+    android:height="45dp"
+    android:viewportWidth="83"
+    android:viewportHeight="33">
+  <path
+      android:fillColor="#F42C30"
+      android:fillType="evenOdd"
+      android:pathData="M58.7,19.8c0.2,-1 0.3,-2 0.5,-2.9c0.6,-3.2 1.1,-6.4 1.7,-9.6c0.2,-0.9 -0.4,-1.6 -1.4,-1.6c-0.6,0 -1.2,0 -1.9,0c-1.3,0 -2.1,0.8 -2.4,2c-0.7,3.9 -1.4,7.9 -2.1,11.8c0,0.1 -0.2,0.3 -0.3,0.3c-1.8,0 -3.5,0 -5.3,-0.2c-1.1,-0.1 -2.1,-0.6 -2.7,-1.6c0,0 -0.1,-0.1 -0.1,-0.2c-0.2,0.3 -0.5,0.5 -0.7,0.7c-0.8,0.8 -1.7,1.3 -2.9,1.2c-0.8,-0.1 -1.7,0 -2.5,-0.1c-1.4,-0.3 -2.6,-1 -3.3,-2.4c-0.1,0.5 -0.2,1 -0.3,1.4c-0.2,1.2 -0.2,1.1 -1.4,1.1c-0.9,0 -1.7,-0.2 -2.4,-0.6c-0.6,-0.3 -1,-0.8 -1.6,-1.3c-0.2,0.2 -0.4,0.4 -0.6,0.7c-0.8,0.8 -1.7,1.2 -2.9,1.2c-1.1,0 -2.2,0 -3.3,-0.4c-1.9,-0.7 -3,-2.4 -2.6,-4.4c0.4,-2.6 0.8,-5.3 1.4,-7.9c0.6,-2.6 2.2,-4.4 5,-5c0.4,-0.1 0.8,-0.1 1.2,-0.1c2.3,0 4.6,0 6.9,0c0.1,0 0.2,0 0.4,0c-0.2,1.3 -0.5,2.5 -0.7,3.8c-0.5,2.9 -1,5.7 -1.5,8.6c0,0.3 0.1,0.6 0.2,0.8c0.3,0.6 1.4,1 2.1,0.9c0.3,-3 0.9,-6 1.5,-9c0.6,-2.6 2.2,-4.5 5,-5c0.4,-0.1 0.8,-0.1 1.2,-0.1c2.3,0 4.6,0 6.9,0c0.1,0 0.2,0 0.4,0c-0.1,0.8 -0.3,1.5 -0.4,2.3c-0.6,3.4 -1.2,6.8 -1.9,10.2c-0.1,0.5 0.1,0.9 0.5,1.2c0.2,0.1 0.3,0.2 0.5,0.3c0.4,0.1 0.8,0.3 1.1,0.2c0.5,-0.1 0.3,-0.6 0.4,-1c0.7,-3.8 1.4,-7.7 2.1,-11.5c0.1,-0.5 0.2,-1.1 0.3,-1.6c0.1,0 0.3,0 0.4,0c2.3,0 4.5,0 6.8,0c0.9,0 1.7,0.2 2.5,0.6c1.4,0.7 2.1,1.7 2.1,3.2c0,1.3 -0.3,2.5 -0.5,3.7c-0.5,3.1 -1.1,6.3 -1.7,9.4c0,0.2 0,0.4 -0.1,0.5c0,0.1 -0.2,0.2 -0.2,0.2C61,19.8 59.9,19.8 58.7,19.8L58.7,19.8zM30.8,5.7c-0.1,0 -0.2,0 -0.2,0c-1.1,0 -2.3,0 -3.4,0c-1.1,0 -2,0.7 -2.2,1.8c-0.4,2.3 -0.9,4.7 -1.3,7c-0.2,1.2 0.4,1.9 1.7,1.9c0.5,0 1,0 1.5,0c1.4,0 2.2,-0.7 2.4,-2c0.4,-2.1 0.8,-4.1 1.1,-6.2C30.5,7.3 30.7,6.5 30.8,5.7L30.8,5.7zM46,5.7c-0.1,0 -0.2,0 -0.2,0c-1.2,0 -2.3,0 -3.4,0c-1.2,0 -2,0.7 -2.2,1.8c-0.4,2.3 -0.9,4.7 -1.3,7c-0.2,1.1 0.3,1.7 1.4,1.8c0.6,0.1 1.2,0 1.8,0c1.3,0 2.2,-0.7 2.4,-2l1.1,-5.7C45.6,7.7 45.8,6.7 46,5.7zM14.6,19.8c-0.3,0 -0.6,0 -0.8,0c-1.3,0 -2.5,0 -3.8,-0.1c-1.9,-0.2 -3.2,-1.4 -3.6,-3c-0.2,-0.9 -0.1,-1.7 0.1,-2.6c0.4,-2.3 0.8,-4.6 1.3,-6.9c0.5,-2.8 2.7,-4.8 5.6,-5c1.7,-0.1 3.4,-0.1 5.1,-0.1c0.9,0 1.8,0 2.8,0c-0.1,0.7 -0.2,1.4 -0.3,2c-0.7,3.7 -1.3,7.3 -2,11c-0.4,2.3 -0.8,4.6 -1.3,6.9c-0.6,3.1 -3.1,4.6 -5.5,4.9C11.6,27 11,27 10.4,27c-2.1,0 -4.2,0 -6.3,0c0,0 -0.1,0 -0.1,0c0,-0.1 0,-0.1 0,-0.2c0.6,-1 1.2,-2.1 1.8,-3.1c0.1,-0.1 0.4,-0.2 0.6,-0.2c1.8,0 3.7,0 5.5,0c1.4,0 2.1,-0.6 2.4,-1.9C14.4,21 14.5,20.5 14.6,19.8L14.6,19.8zM13.2,16.3L13.2,16.3c0.5,0.1 0.9,0 1.4,0.1c0.5,0 0.6,-0.1 0.7,-0.6c0.5,-2.8 1,-5.6 1.5,-8.4c0.2,-1.1 -0.4,-1.7 -1.5,-1.8c-0.6,0 -1.2,0 -1.8,0c-1.2,0 -2,0.7 -2.3,1.9c-0.2,1.3 -0.5,2.6 -0.7,3.8c-0.2,1.2 -0.4,2.3 -0.6,3.5c-0.1,0.8 0.4,1.4 1.2,1.5C11.9,16.4 12.6,16.3 13.2,16.3zM78.9,2.1c-0.3,1.8 -0.6,3.5 -0.9,5.2c-0.4,2.4 -0.9,4.8 -1.3,7.1c-0.2,1 0.2,1.6 1.2,1.9c0.1,0 0.3,0.3 0.2,0.4c-0.2,1 -0.4,2 -0.5,3.1c-1.6,-0.1 -3,-0.6 -4,-1.9c-0.3,0.3 -0.5,0.5 -0.7,0.8c-0.8,0.8 -1.7,1.2 -2.9,1.2c-1,-0.1 -2,0 -3,-0.3c-2.2,-0.7 -3.3,-2.4 -3,-4.7c0.4,-2.6 0.8,-5.2 1.4,-7.8c0.6,-2.4 2,-4.2 4.6,-4.8c0.5,-0.1 1.1,-0.2 1.6,-0.2c2.4,0 4.7,0 7.1,0C78.7,2.1 78.8,2.1 78.9,2.1L78.9,2.1zM74.7,5.7c-0.2,0 -0.3,0 -0.4,0c-1.1,0 -2.2,0 -3.3,0c-1.1,0 -2,0.7 -2.2,1.8c-0.5,2.4 -0.9,4.8 -1.3,7.3c-0.2,0.9 0.3,1.5 1.3,1.7c0.6,0.1 1.2,0.1 1.9,0.1c1.4,0 2.2,-0.7 2.5,-2.1c0.4,-2.3 0.8,-4.5 1.2,-6.7C74.5,6.9 74.6,6.3 74.7,5.7z"/>
+</vector>

app/src/main/res/layout/download_record_fragment.xml

@@ -15,10 +15,9 @@
   ~ You should have received a copy of the GNU General Public License
   ~ along with this program.  If not, see <https://www.gnu.org/licenses/>.
   -->
-<layout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto">
-
 <androidx.constraintlayout.widget.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
@@ -27,14 +26,10 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginTop="16dp"
-        android:background="@drawable/text_background_accented"
+        style="@style/Widget.AppCompat.TextView.Gradient"
         android:drawablePadding="5dp"
         android:fontFamily="@font/raleway_semibold"
-        android:gravity="center"
-        android:padding="8dp"
         android:text=" Download History "
-        android:textAlignment="center"
-        android:textColor="#E1FFFFFF"
         android:textSize="21sp"
         app:drawableStartCompat="@drawable/ic_history"
         app:layout_constraintEnd_toEndOf="parent"
@@ -43,6 +38,7 @@
 
     <com.google.android.material.tabs.TabLayout
         android:id="@+id/tabLayout"
+        android:background="@color/black"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_marginTop="8dp"
@@ -60,6 +56,11 @@
             android:icon="@drawable/ic_spotify_logo"
             android:text="Spotify" />
 
+        <com.google.android.material.tabs.TabItem
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:icon="@drawable/gaana"
+            android:text="Gaana" />
         <com.google.android.material.tabs.TabItem
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
@@ -82,4 +83,3 @@
         app:layout_constraintTop_toBottomOf="@+id/tabLayout" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>
-</layout>

app/src/main/res/layout/download_record_item.xml

@@ -17,89 +17,81 @@
   ~ along with this program.  If not, see <https://www.gnu.org/licenses/>.
   -->
 
-<layout xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <data>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
-        <variable
+    android:layout_width="match_parent"
-            name="downloadRecord"
+    android:layout_height="92dp"
-            type="com.shabinder.spotiflyer.database.DownloadRecord" />
+    android:background="#000000"
-    </data>
+    android:paddingBottom="12dp">
 
-    <RelativeLayout
+    <ImageView
-        android:layout_width="match_parent"
+        android:id="@+id/coverUrl"
-        android:layout_height="92dp"
+        android:layout_width="100dp"
-        android:background="#000000"
+        android:layout_height="80dp"
-        android:paddingBottom="12dp">
+        android:layout_alignParentStart="true"
+        android:contentDescription="Track Image"
+        android:scaleType="centerInside"
+        android:src="@drawable/ic_song_placeholder" />
 
-        <ImageView
+    <TextView
-            android:id="@+id/coverUrl"
+        android:id="@+id/item_name"
-            android:layout_width="100dp"
+        android:layout_width="0dp"
-            android:layout_height="80dp"
+        android:layout_height="wrap_content"
-            android:layout_alignParentStart="true"
+        android:layout_alignParentTop="true"
-            android:contentDescription="Track Image"
+        android:layout_marginStart="12dp"
-            android:scaleType="centerInside"
+        android:layout_marginTop="14dp"
-            android:src="@drawable/ic_song_placeholder" />
+        android:layout_marginEnd="12dp"
+        android:layout_toStartOf="@+id/btn_action"
+        android:layout_toEndOf="@+id/coverUrl"
+        android:fontFamily="@font/raleway_semibold"
+        android:letterSpacing="0.04"
+        android:lines="1"
+        android:text="Weekend Chills"
+        android:textAllCaps="false"
+        android:textAppearance="@style/TextAppearance.AppTheme.Headline4"
+        android:textColor="#9AB3FF"
+        android:textSize="20sp" />
 
-        <TextView
+    <TextView
-            android:id="@+id/item_name"
+        android:id="@+id/type"
-            android:layout_width="0dp"
+        android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
+        android:layout_height="wrap_content"
-            android:layout_alignParentTop="true"
+        android:layout_alignBottom="@+id/coverUrl"
-            android:layout_marginStart="12dp"
+        android:layout_marginStart="12dp"
-            android:layout_marginTop="14dp"
+        android:layout_marginEnd="0dp"
-            android:layout_marginEnd="12dp"
+        android:layout_marginBottom="15dp"
-            android:layout_toStartOf="@+id/btn_action"
+        android:layout_toStartOf="@+id/totalItems"
-            android:layout_toEndOf="@+id/coverUrl"
+        android:layout_toEndOf="@+id/coverUrl"
-            android:fontFamily="@font/raleway_semibold"
+        android:paddingLeft="9dp"
-            android:letterSpacing="0.04"
+        android:text="Playlist"
-            android:lines="1"
+        android:textSize="12sp" />
-            android:text="Weekend Chills"
-            android:textAllCaps="false"
-            android:textAppearance="@style/TextAppearance.AppTheme.Headline4"
-            android:textColor="#9AB3FF"
-            android:textSize="20sp" />
-
-        <TextView
-            android:id="@+id/type"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_alignBottom="@+id/coverUrl"
-            android:layout_marginStart="12dp"
-            android:layout_marginEnd="0dp"
-            android:layout_marginBottom="15dp"
-            android:layout_toStartOf="@+id/totalItems"
-            android:layout_toEndOf="@+id/coverUrl"
-            android:paddingLeft="9dp"
-            android:text="Playlist"
-            android:textSize="12sp" />
 
 
-        <TextView
+    <TextView
-            android:id="@+id/totalItems"
+        android:id="@+id/totalItems"
-            android:layout_width="wrap_content"
+        android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
+        android:layout_height="wrap_content"
-            android:layout_alignBottom="@+id/coverUrl"
+        android:layout_alignBottom="@+id/coverUrl"
-            android:layout_marginTop="7dp"
+        android:layout_marginTop="7dp"
-            android:layout_marginEnd="25dp"
+        android:layout_marginEnd="25dp"
-            android:layout_marginBottom="15dp"
+        android:layout_marginBottom="15dp"
-            android:layout_toStartOf="@+id/btn_action"
+        android:layout_toStartOf="@+id/btn_action"
-            android:paddingLeft="9dp"
+        android:paddingLeft="9dp"
-            android:text="50 Tracks"
+        android:text="50 Tracks"
-            android:textSize="12sp" />
+        android:textSize="12sp" />
 
-        <ImageButton
+    <ImageButton
-            android:id="@+id/btn_action"
+        android:id="@+id/btn_action"
-            android:layout_width="60dp"
+        android:layout_width="60dp"
-            android:layout_height="80dp"
+        android:layout_height="80dp"
-            android:layout_alignBottom="@+id/coverUrl"
+        android:layout_alignBottom="@+id/coverUrl"
-            android:layout_alignParentTop="true"
+        android:layout_alignParentTop="true"
-            android:layout_alignParentEnd="true"
+        android:layout_alignParentEnd="true"
-            android:layout_marginBottom="5dp"
+        android:layout_marginBottom="5dp"
-            android:backgroundTint="@color/black"
+        android:backgroundTint="@color/black"
-            android:scaleType="centerInside"
+        android:scaleType="centerInside"
-            android:src="@drawable/ic_share_open"
+        android:src="@drawable/ic_share_open"
-            android:tint="@null" />
+        android:tint="@null" />
 
-    </RelativeLayout>
+</RelativeLayout>
-</layout>
 

app/src/main/res/layout/main_activity.xml

@@ -16,43 +16,35 @@
   ~ along with this program.  If not, see <https://www.gnu.org/licenses/>.
   -->
 
-<layout xmlns:android="http://schemas.android.com/apk/res/android"
+
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools">
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+    <View
+        android:id="@+id/snackBarPosition"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="16dp"
+        android:background="@drawable/transparent"
+        android:textStyle="bold"
+        android:visibility="invisible"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent" />
 
-    <androidx.constraintlayout.widget.ConstraintLayout
+    <fragment
-        android:id="@+id/mainActivity"
+        android:id="@+id/navHostFragment"
+        android:name="androidx.navigation.fragment.NavHostFragment"
         android:layout_width="match_parent"
-        android:layout_height="match_parent">
+        android:layout_height="0dp"
-        <TextView
+        app:defaultNavHost="true"
-            android:id="@+id/message"
+        app:layout_constraintBottom_toBottomOf="parent"
-            android:layout_width="wrap_content"
+        app:layout_constraintEnd_toEndOf="parent"
-            android:layout_height="wrap_content"
+        app:layout_constraintStart_toStartOf="parent"
-            android:layout_marginBottom="2dp"
+        app:layout_constraintTop_toTopOf="parent"
-            android:background="@drawable/text_background_accented"
+        app:navGraph="@navigation/navigation"
-            android:padding="5dp"
+        tools:ignore="FragmentTagUsage" />
-            android:visibility="gone"
-            android:paddingTop="6dp"
-            android:text="Authentication Needed"
-            android:textColor="@color/colorPrimary"
-            android:textSize="10dp"
-            android:textStyle="bold"
-            app:layout_constraintBottom_toBottomOf="parent"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toStartOf="parent" />
 
-        <fragment
+</androidx.constraintlayout.widget.ConstraintLayout>
-            android:id="@+id/NavHostFragment"
-            android:name="androidx.navigation.fragment.NavHostFragment"
-            android:layout_width="match_parent"
-            android:layout_height="0dp"
-            app:defaultNavHost="true"
-            app:layout_constraintBottom_toTopOf="@+id/message"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toTopOf="parent"
-            app:navGraph="@navigation/navigation"
-            tools:ignore="FragmentTagUsage" />
-
-    </androidx.constraintlayout.widget.ConstraintLayout>
-</layout>

app/src/main/res/layout/main_fragment.xml

@@ -15,46 +15,40 @@
   ~ You should have received a copy of the GNU General Public License
   ~ along with this program.  If not, see <https://www.gnu.org/licenses/>.
   -->
-<layout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto">
 <ScrollView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:fillViewport="true"
+    tools:ignore="HardcodedText"
     >
+
     <androidx.constraintlayout.widget.ConstraintLayout
         android:layout_width="match_parent"
         android:layout_height="wrap_content">
 
         <EditText
             android:id="@+id/linkSearch"
-            android:layout_width="wrap_content"
+            style="@style/Widget.AppCompat.TextView.Gradient"
             android:layout_height="46dp"
             android:layout_marginTop="24dp"
-            android:background="@drawable/text_background_accented"
             android:ems="10"
             android:hint="Paste Link here"
-            android:inputType="text"
-            android:padding="8dp"
-            android:textAlignment="center"
-            android:textColor="@color/white"
-            android:textColorHint="@color/grey"
-            android:textSize="19sp"
             app:layout_constraintEnd_toStartOf="@+id/btn_search"
             app:layout_constraintHorizontal_chainStyle="spread"
             app:layout_constraintStart_toStartOf="parent"
+            android:importantForAutofill="no"
             app:layout_constraintTop_toTopOf="parent" />
 
         <androidx.appcompat.widget.AppCompatButton
             android:id="@+id/btn_search"
-            android:layout_width="wrap_content"
+            style="@style/Widget.AppCompat.Button.Colored.Gradient"
             android:layout_height="44dp"
-            android:background="@drawable/btn_design"
+            android:fontFamily="@font/nunito_sans_light"
-            android:paddingLeft="4dp"
+            android:text=" Search "
-            android:paddingRight="4dp"
+            android:textStyle="bold"
-            android:text="Search"
-            android:textColor="@color/black"
-            android:textSize="16sp"
             app:layout_constraintBottom_toBottomOf="@+id/linkSearch"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toEndOf="@+id/linkSearch"
@@ -74,19 +68,16 @@
             app:layout_collapseMode="parallax"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@+id/linkSearch" />
+            app:layout_constraintTop_toBottomOf="@+id/linkSearch"
+            tools:ignore="UnusedAttribute" />
 
         <ImageButton
             android:id="@+id/btn_history"
-            android:layout_width="40dp"
+            style="@style/Widget.AppCompat.ImageButton.40dp"
-            android:layout_height="40dp"
-            android:layout_marginEnd="8dp"
-            android:layout_marginBottom="8dp"
-            android:background="@drawable/transparent"
-            android:scaleType="fitCenter"
             app:layout_constraintBottom_toBottomOf="@+id/appLogo"
             app:layout_constraintEnd_toEndOf="parent"
-            app:srcCompat="@drawable/ic_history" />
+            android:contentDescription="Open Download History Button"
+            app:srcCompat="@drawable/ic_history"/>
 
         <TextView
             android:id="@+id/appName"
@@ -94,16 +85,13 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="12dp"
             android:fontFamily="@font/raleway_semibold"
-            android:gravity="end"
             android:text='"SpotiFlyer"'
-            android:textAlignment="viewEnd"
+            android:textColor="@color/colorAccent"
-            android:textColor="#9AB3FF"
             android:textSize="40sp"
-            android:typeface="normal"
-            android:visibility="visible"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@id/appLogo" />
+            app:layout_constraintTop_toBottomOf="@id/appLogo"
+            />
 
         <TextView
             android:id="@+id/appSubTitle"
@@ -119,49 +107,36 @@
             app:layout_constraintStart_toStartOf="@+id/appName"
             app:layout_constraintTop_toBottomOf="@+id/appName" />
 
-
-        <TextView
-            android:id="@+id/platforms"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="32dp"
-            android:layout_marginEnd="2dp"
-            android:fontFamily="@font/raleway_semibold"
-            android:text="Supports: "
-            android:textAlignment="center"
-            android:textColor="#9AB3FF"
-            android:textSize="16sp"
-            android:textStyle="bold"
-            android:visibility="visible"
-            app:layout_constraintEnd_toStartOf="@+id/btn_spotify"
-            app:layout_constraintHorizontal_chainStyle="packed"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@+id/appSubTitle" />
-
         <ImageButton
             android:id="@+id/btn_spotify"
-            android:layout_width="46dp"
+            style="@style/Widget.AppCompat.ImageButton.platformIcon"
-            android:layout_height="46dp"
             android:layout_marginEnd="2dp"
-            android:background="@color/black"
+            android:contentDescription="Open Spotify App Button"
-            android:padding="5dp"
-            android:scaleType="fitCenter"
             android:src="@drawable/ic_spotify_logo"
-            app:layout_constraintBottom_toBottomOf="@+id/platforms"
+            app:layout_constraintEnd_toStartOf="@+id/btn_Gaana"
-            app:layout_constraintEnd_toStartOf="@+id/btn_youtube"
+            android:padding="6dp"
-            app:layout_constraintStart_toEndOf="@+id/platforms"
+            app:layout_constraintHorizontal_chainStyle="packed"
-            app:layout_constraintTop_toTopOf="@+id/platforms" />
+            app:layout_constraintStart_toStartOf="@+id/appSubTitle"
+            app:layout_constraintTop_toBottomOf="@+id/appSubTitle"/>
 
         <ImageButton
             android:id="@+id/btn_youtube"
-            android:layout_width="52dp"
+            style="@style/Widget.AppCompat.ImageButton.platformIcon"
-            android:layout_height="52dp"
+            android:contentDescription="Open Youtube App Button"
-            android:background="@color/black"
-            android:padding="5dp"
-            android:scaleType="fitCenter"
             android:src="@drawable/ic_youtube"
             app:layout_constraintBottom_toBottomOf="@+id/btn_spotify"
-            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintEnd_toEndOf="@+id/appSubTitle"
+            app:layout_constraintStart_toEndOf="@+id/btn_Gaana"
+            app:layout_constraintTop_toTopOf="@+id/btn_spotify"/>
+
+        <ImageButton
+            android:id="@+id/btn_Gaana"
+            style="@style/Widget.AppCompat.ImageButton.platformIcon"
+            android:contentDescription="Open Gaana App Button"
+            android:padding="6dp"
+            android:src="@drawable/gaana"
+            app:layout_constraintBottom_toBottomOf="@+id/btn_spotify"
+            app:layout_constraintEnd_toStartOf="@+id/btn_youtube"
             app:layout_constraintStart_toEndOf="@+id/btn_spotify"
             app:layout_constraintTop_toTopOf="@+id/btn_spotify" />
 
@@ -170,15 +145,15 @@
             android:layout_width="0dp"
             android:layout_height="0dp"
             android:layout_marginEnd="24dp"
+            android:gravity="center"
             android:text="Usage Instructions!"
             android:textAlignment="center"
             android:textColor="#D0838383"
             android:textSize="14sp"
-            android:gravity="center"
+            app:layout_constraintBottom_toBottomOf="@+id/btn_Insta"
-            app:layout_constraintBottom_toBottomOf="@+id/developer_insta_spotify"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toEndOf="@+id/btn_linkedin"
-            app:layout_constraintTop_toTopOf="@+id/btn_github_spotify" />
+            app:layout_constraintTop_toTopOf="@+id/btn_github" />
 
         <androidx.appcompat.widget.AppCompatButton
             android:id="@+id/btn_donate"
@@ -188,6 +163,7 @@
             android:background="@drawable/text_background_accented"
             android:drawableEnd="@drawable/ic_mug"
             android:drawablePadding="5dp"
+            android:contentDescription="Donate Money Button"
             android:fontFamily="@font/capriola"
             android:foreground="@drawable/rounded_gradient"
             android:gravity="end|center_vertical"
@@ -212,40 +188,31 @@
 
 
         <ImageButton
-            android:id="@+id/btn_github_spotify"
+            android:id="@+id/btn_github"
-            android:layout_width="48dp"
+            style="@style/Widget.AppCompat.ImageButton.platformIcon"
-            android:layout_height="wrap_content"
-            android:background="@color/black"
-            android:padding="5dp"
-            android:scaleType="fitCenter"
             android:src="@drawable/ic_github"
             app:layout_constraintBottom_toTopOf="@+id/btn_linkedin"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@+id/btn_youtube"
-            app:layout_constraintVertical_chainStyle="packed" />
+            android:contentDescription="Open Github App Button"
+            app:layout_constraintVertical_chainStyle="packed"/>
 
         <ImageButton
             android:id="@+id/btn_linkedin"
-            android:layout_width="48dp"
+            style="@style/Widget.AppCompat.ImageButton.platformIcon"
-            android:layout_height="wrap_content"
-            android:background="@color/black"
-            android:padding="5dp"
-            android:scaleType="fitCenter"
             android:src="@drawable/ic_linkedin"
-            app:layout_constraintBottom_toTopOf="@+id/developer_insta_spotify"
+            app:layout_constraintBottom_toTopOf="@+id/btn_Insta"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@+id/btn_github_spotify" />
+            android:contentDescription="Open LinkedIN App Button"
+            app:layout_constraintTop_toBottomOf="@+id/btn_github"/>
 
         <ImageButton
-            android:id="@+id/developer_insta_spotify"
+            android:id="@+id/btn_Insta"
-            android:layout_width="48dp"
+            style="@style/Widget.AppCompat.ImageButton.platformIcon"
-            android:layout_height="wrap_content"
-            android:background="@color/black"
-            android:padding="5dp"
-            android:scaleType="fitCenter"
             android:src="@drawable/ic_instagram"
             app:layout_constraintBottom_toTopOf="@+id/btn_donate"
             app:layout_constraintStart_toStartOf="parent"
+            android:contentDescription="Open Instagram App Button"
             app:layout_constraintTop_toBottomOf="@+id/btn_linkedin" />
 
         <TextView
@@ -289,4 +256,3 @@
 
     </androidx.constraintlayout.widget.ConstraintLayout>
 </ScrollView>
-</layout>

app/src/main/res/layout/track_list_fragment.xml

@@ -16,19 +16,20 @@
   ~ along with this program.  If not, see <https://www.gnu.org/licenses/>.
   -->
 
-<layout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools">
 <androidx.coordinatorlayout.widget.CoordinatorLayout
-    android:id="@+id/main_youtube"
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main"
     android:layout_width="match_parent"
+    android:background="@color/black"
     android:layout_height="match_parent"
-    android:layout_marginTop="25dp"
     android:fitsSystemWindows="true"
+    android:paddingTop="16dp"
     tools:context=".ui.spotify.SpotifyFragment">
 
     <androidx.appcompat.widget.AppCompatButton
-        android:id="@+id/btn_download_all_spotify"
+        android:id="@+id/btn_download_all"
         android:layout_width="wrap_content"
         android:layout_height="44dp"
         android:background="@drawable/btn_design"
@@ -39,19 +40,18 @@
         android:textColor="@color/black"
         android:textSize="16sp"
         android:visibility="visible"
-        app:layout_anchor="@+id/appbar_spotify"
+        app:layout_anchor="@+id/appbar"
         app:layout_anchorGravity="bottom|center" />
 
     <com.google.android.material.floatingactionbutton.FloatingActionButton
-        android:id="@+id/downloading_fab_spotify"
+        android:id="@+id/downloading_fab"
         android:layout_width="wrap_content"
-        android:keepScreenOn="true"
         android:layout_height="wrap_content"
         android:backgroundTint="@color/black"
         android:scaleType="fitCenter"
         android:visibility="gone"
         app:borderWidth="0dp"
-        app:layout_anchor="@+id/appbar_spotify"
+        app:layout_anchor="@+id/appbar"
         app:layout_anchorGravity="bottom|center"
         app:maxImageSize="38dp"
         app:rippleColor="@color/colorPrimaryDark"
@@ -59,7 +59,7 @@
         app:tint="@null" />
 
     <com.google.android.material.appbar.AppBarLayout
-        android:id="@+id/appbar_spotify"
+        android:id="@+id/appbar"
         android:layout_width="match_parent"
         android:layout_height="280dp">
 
@@ -72,14 +72,14 @@
             app:toolbarId="@+id/toolbar">
 
             <androidx.constraintlayout.widget.ConstraintLayout
-                android:id="@+id/TopLayout_spotify"
+                android:id="@+id/topLayout"
                 android:layout_width="match_parent"
+                android:background="@color/black"
                 android:foreground="@drawable/gradient"
                 android:layout_height="match_parent">
 
-
                 <ImageView
-                    android:id="@+id/spotify_cover_image"
+                    android:id="@+id/cover_image"
                     android:layout_width="0dp"
                     android:layout_height="0dp"
                     android:layout_marginTop="28dp"
@@ -89,13 +89,13 @@
                     android:src="@drawable/spotify_download"
                     android:visibility="visible"
                     app:layout_collapseMode="parallax"
-                    app:layout_constraintBottom_toTopOf="@id/title_view_spotify"
+                    app:layout_constraintBottom_toTopOf="@id/title_view"
                     app:layout_constraintEnd_toEndOf="parent"
                     app:layout_constraintStart_toStartOf="parent"
                     app:layout_constraintTop_toTopOf="parent" />
 
                 <TextView
-                    android:id="@+id/StatusBar_spotify"
+                    android:id="@+id/statusBar"
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:layout_marginBottom="2dp"
@@ -113,11 +113,11 @@
                     android:textColor="@color/grey"
                     android:textSize="16sp"
                     android:visibility="gone"
-                    app:layout_constraintBottom_toTopOf="@+id/spotify_cover_image"
+                    app:layout_constraintBottom_toTopOf="@+id/cover_image"
                     app:layout_constraintEnd_toEndOf="parent"
                     app:layout_constraintStart_toStartOf="parent" />
                 <TextView
-                    android:id="@+id/title_view_spotify"
+                    android:id="@+id/title_view"
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:layout_marginTop="2dp"
@@ -142,7 +142,7 @@
 
 
     <androidx.recyclerview.widget.RecyclerView
-        android:id="@+id/track_list_spotify"
+        android:id="@+id/track_list"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:paddingTop="26dp"
@@ -152,16 +152,7 @@
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@id/appbar_spotify" />
+        app:layout_constraintTop_toBottomOf="@id/appbar" />
-
-    <WebView
-        android:id="@+id/webView_spotify"
-        android:layout_width="match_parent"
-        android:layout_height="300dp"
-        android:layout_gravity="bottom"
-        android:visibility="gone"
-        app:layout_anchorGravity="bottom"/>
-
 
 </androidx.coordinatorlayout.widget.CoordinatorLayout>
-</layout>
+

app/src/main/res/layout/track_list_item.xml

@@ -16,97 +16,84 @@
   ~ You should have received a copy of the GNU General Public License
   ~ along with this program.  If not, see <https://www.gnu.org/licenses/>.
   -->
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="80dp"
+    android:layout_marginBottom="12dp"
+    android:background="#000000">
 
-<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    <ImageView
-    xmlns:app="http://schemas.android.com/apk/res-auto">
+        android:id="@+id/imageUrl"
-
+        android:layout_width="100dp"
-    <data>
-        <variable
-            name="track"
-            type="com.shabinder.spotiflyer.models.Track" />
-    </data>
-
-    <androidx.constraintlayout.widget.ConstraintLayout
-        android:layout_width="match_parent"
         android:layout_height="80dp"
-        android:background="#000000"
+        android:contentDescription="Track Image"
-        android:layout_marginBottom="12dp"
+        android:scaleType="centerInside"
-        >
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/artist"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:srcCompat="@drawable/ic_song_placeholder" />
 
-        <ImageView
+    <TextView
-            android:id="@+id/imageUrl"
+        android:id="@+id/track_name"
-            android:layout_width="100dp"
+        android:layout_width="0dp"
-            android:layout_height="80dp"
+        android:layout_height="wrap_content"
-            android:contentDescription="Track Image"
+        android:layout_marginStart="8dp"
-            android:scaleType="centerInside"
+        android:layout_marginTop="14dp"
-            app:layout_constraintBottom_toBottomOf="parent"
+        android:fontFamily="@font/raleway_semibold"
-            app:layout_constraintEnd_toStartOf="@+id/artist"
+        android:letterSpacing="0.04"
-            app:layout_constraintStart_toStartOf="parent"
+        android:lines="1"
-            app:layout_constraintTop_toTopOf="parent"
+        android:text="The Spectre"
-            app:srcCompat="@drawable/ic_song_placeholder" />
+        android:textAllCaps="false"
+        android:textAppearance="@style/TextAppearance.AppTheme.Headline4"
+        android:textColor="#9AB3FF"
+        android:textSize="20sp"
+        app:layout_constraintEnd_toStartOf="@+id/btn_download"
+        app:layout_constraintStart_toStartOf="@+id/artist"
+        app:layout_constraintTop_toTopOf="parent" />
 
-        <TextView
+    <TextView
-            android:id="@+id/track_name"
+        android:id="@+id/artist"
-            android:layout_width="0dp"
+        style="@style/TextAppearance.AppCompat.Body2"
-            android:layout_height="wrap_content"
+        android:layout_width="0dp"
-            android:layout_marginStart="8dp"
+        android:layout_height="wrap_content"
-            android:layout_marginTop="14dp"
+        android:layout_marginStart="12dp"
-            android:fontFamily="@font/raleway_semibold"
+        android:layout_marginTop="8dp"
-            android:letterSpacing="0.04"
+        android:layout_marginBottom="8dp"
-            android:lines="1"
+        android:paddingLeft="9dp"
-            android:text="The Spectre"
+        android:text="Alan Walker"
-            android:textAllCaps="false"
+        android:textSize="12sp"
-            android:textAppearance="@style/TextAppearance.AppTheme.Headline4"
+        app:layout_constraintBottom_toBottomOf="parent"
-            android:textColor="#9AB3FF"
+        app:layout_constraintEnd_toStartOf="@+id/duration"
-            android:textSize="20sp"
+        app:layout_constraintStart_toEndOf="@+id/imageUrl"
-            app:layout_constraintEnd_toStartOf="@+id/btn_download"
+        app:layout_constraintTop_toBottomOf="@+id/track_name" />
-            app:layout_constraintStart_toStartOf="@+id/artist"
-            app:layout_constraintTop_toTopOf="parent" />
-
-        <TextView
-            android:id="@+id/artist"
-            style="@style/TextAppearance.AppCompat.Body2"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_marginStart="12dp"
-            android:layout_marginTop="8dp"
-            android:layout_marginBottom="8dp"
-            android:paddingLeft="9dp"
-            android:text="Alan Walker"
-            android:textSize="12sp"
-            app:layout_constraintBottom_toBottomOf="parent"
-            app:layout_constraintEnd_toStartOf="@+id/duration"
-            app:layout_constraintStart_toEndOf="@+id/imageUrl"
-            app:layout_constraintTop_toBottomOf="@+id/track_name" />
 
 
-        <TextView
+    <TextView
-            android:id="@+id/duration"
+        android:id="@+id/duration"
-            style="@style/TextAppearance.AppCompat.Body2"
+        style="@style/TextAppearance.AppCompat.Body2"
-            android:layout_width="wrap_content"
+        android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
+        android:layout_height="wrap_content"
-            android:layout_marginEnd="3dp"
+        android:layout_marginEnd="3dp"
-            android:paddingLeft="9dp"
+        android:paddingLeft="9dp"
-            android:text="4 minutes, 20 sec"
+        android:text="4 minutes, 20 sec"
-            android:textSize="12sp"
+        android:textSize="12sp"
-            app:layout_constraintBottom_toBottomOf="@+id/artist"
+        app:layout_constraintBottom_toBottomOf="@+id/artist"
-            app:layout_constraintEnd_toStartOf="@+id/btn_download"
+        app:layout_constraintEnd_toStartOf="@+id/btn_download"
-            app:layout_constraintStart_toEndOf="@+id/artist"
+        app:layout_constraintStart_toEndOf="@+id/artist"
-            app:layout_constraintTop_toTopOf="@+id/artist" />
+        app:layout_constraintTop_toTopOf="@+id/artist" />
 
-        <ImageButton
+    <ImageButton
-            android:id="@+id/btn_download"
+        android:id="@+id/btn_download"
-            android:layout_width="60dp"
+        android:layout_width="60dp"
-            android:layout_height="0dp"
+        android:layout_height="0dp"
-            android:backgroundTint="@color/black"
+        android:backgroundTint="@color/black"
-            android:scaleType="fitCenter"
+        android:scaleType="fitCenter"
-            app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"
-            app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
-            app:srcCompat="@drawable/ic_arrow" />
+        app:srcCompat="@drawable/ic_arrow" />
 
 
-    </androidx.constraintlayout.widget.ConstraintLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>
-
-</layout>
-

app/src/main/res/layout/youtube_fragment.xml

@@ -1,152 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-  ~ Copyright (C)  2020  Shabinder Singh
-  ~
-  ~ This program is free software: you can redistribute it and/or modify
-  ~ it under the terms of the GNU General Public License as published by
-  ~ the Free Software Foundation, either version 3 of the License, or
-  ~ (at your option) any later version.
-  ~
-  ~ This program is distributed in the hope that it will be useful,
-  ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
-  ~ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  ~ GNU General Public License for more details.
-  ~
-  ~ You should have received a copy of the GNU General Public License
-  ~ along with this program.  If not, see <https://www.gnu.org/licenses/>.
-  -->
-
-<layout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto">
-    <androidx.coordinatorlayout.widget.CoordinatorLayout
-        android:id="@+id/main_youtube"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:layout_marginTop="25dp"
-        android:fitsSystemWindows="true">
-
-        <androidx.appcompat.widget.AppCompatButton
-            android:id="@+id/btn_download_all_youtube"
-            android:layout_width="wrap_content"
-            android:layout_height="44dp"
-            android:background="@drawable/btn_design"
-            android:drawableEnd="@drawable/ic_arrow_slim"
-            android:drawablePadding="4dp"
-            android:drawableTint="@color/black"
-            android:padding="12dp"
-            android:text="Download All  |"
-            android:textColor="@color/black"
-            android:textSize="16sp"
-            android:visibility="visible"
-            app:layout_anchor="@+id/appbar_youtube"
-            app:layout_anchorGravity="bottom|center" />
-        <com.google.android.material.floatingactionbutton.FloatingActionButton
-            android:id="@+id/downloading_fab_youtube"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:backgroundTint="@color/black"
-            android:scaleType="fitCenter"
-            android:visibility="gone"
-            app:borderWidth="0dp"
-            app:layout_anchor="@+id/appbar_youtube"
-            app:layout_anchorGravity="bottom|center"
-            app:maxImageSize="38dp"
-            app:rippleColor="@color/colorPrimaryDark"
-            app:srcCompat="@drawable/ic_refresh"
-            app:tint="@null" />
-
-        <com.google.android.material.appbar.AppBarLayout
-            android:id="@+id/appbar_youtube"
-            android:layout_width="match_parent"
-            android:layout_height="230dp">
-
-            <com.google.android.material.appbar.CollapsingToolbarLayout
-                android:layout_width="match_parent"
-                android:layout_height="match_parent"
-                app:contentScrim="#F2C102B7"
-                app:layout_scrollFlags="scroll|enterAlways|enterAlwaysCollapsed"
-                app:layout_scrollInterpolator="@android:anim/decelerate_interpolator"
-                app:toolbarId="@+id/toolbar">
-
-                <androidx.constraintlayout.widget.ConstraintLayout
-                    android:id="@+id/TopLayout_youtube"
-                    android:layout_width="match_parent"
-                    android:layout_height="match_parent"
-                    android:foreground="@drawable/gradient"
-                    >
-
-                    <ImageView
-                        android:id="@+id/youtube_cover_image"
-                        android:layout_width="0dp"
-                        android:layout_height="0dp"
-                        android:layout_marginTop="23dp"
-                        android:layout_marginBottom="3dp"
-                        android:contentDescription="Album Cover"
-                        android:padding="15dp"
-                        android:src="@drawable/spotify_download"
-                        android:visibility="visible"
-                        app:layout_collapseMode="parallax"
-                        app:layout_constraintBottom_toTopOf="@id/title_view_youtube"
-                        app:layout_constraintEnd_toEndOf="parent"
-                        app:layout_constraintStart_toStartOf="parent"
-                        app:layout_constraintTop_toTopOf="parent" />
-
-                    <TextView
-                        android:id="@+id/StatusBar_youtube"
-                        android:layout_width="wrap_content"
-                        android:layout_height="wrap_content"
-                        android:layout_marginBottom="2dp"
-                        android:background="@drawable/text_background_accented"
-                        android:fontFamily="@font/raleway_semibold"
-                        android:foreground="@drawable/rounded_gradient"
-                        android:gravity="center"
-                        android:paddingLeft="12dp"
-                        android:paddingTop="1dp"
-                        android:paddingRight="12dp"
-                        android:paddingBottom="1dp"
-                        android:text="Total: 100 Processed: 50"
-                        android:textAlignment="center"
-                        android:textColor="@color/grey"
-                        android:textSize="16sp"
-                        android:visibility="gone"
-                        app:layout_constraintBottom_toTopOf="@+id/youtube_cover_image"
-                        app:layout_constraintEnd_toEndOf="parent"
-                        app:layout_constraintStart_toStartOf="parent" />
-                    <TextView
-                        android:id="@+id/title_view_youtube"
-                        android:layout_width="wrap_content"
-                        android:layout_height="wrap_content"
-                        android:layout_marginTop="2dp"
-                        android:layout_marginBottom="20dp"
-                        android:background="#00000000"
-                        android:fontFamily="@font/raleway_semibold"
-                        android:gravity="end"
-                        android:text='"SpotiFlyer"'
-                        android:textAlignment="viewEnd"
-                        android:textColor="#9AB3FF"
-                        android:textSize="28sp"
-                        android:textStyle="bold"
-                        android:visibility="visible"
-                        app:layout_constraintBottom_toBottomOf="parent"
-                        app:layout_constraintEnd_toEndOf="parent"
-                        app:layout_constraintStart_toStartOf="parent" />
-
-                </androidx.constraintlayout.widget.ConstraintLayout>
-            </com.google.android.material.appbar.CollapsingToolbarLayout>
-
-        </com.google.android.material.appbar.AppBarLayout>
-        <androidx.recyclerview.widget.RecyclerView
-            android:id="@+id/track_list_youtube"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:paddingTop="26dp"
-            android:visibility="visible"
-            app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
-            app:layout_behavior="com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior"
-            app:layout_constraintBottom_toBottomOf="parent"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@id/appbar_youtube" />
-
-    </androidx.coordinatorlayout.widget.CoordinatorLayout>
-</layout>

app/src/main/res/navigation/navigation.xml

@@ -22,15 +22,6 @@
     android:id="@+id/navigation"
     app:startDestination="@id/mainFragment">
 
-    <fragment
-        android:id="@+id/spotifyFragment"
-        android:name="com.shabinder.spotiflyer.ui.spotify.SpotifyFragment"
-        android:label="main_fragment"
-        tools:layout="@layout/spotify_fragment" >
-        <argument
-            android:name="link"
-            app:argType="string" />
-    </fragment>
     <fragment
         android:id="@+id/mainFragment"
         android:name="com.shabinder.spotiflyer.ui.mainfragment.MainFragment"
@@ -51,16 +42,11 @@
             app:destination="@id/downloadRecord"
             app:enterAnim="@android:anim/slide_in_left"
             app:exitAnim="@android:anim/slide_out_right" />
+        <action
+            android:id="@+id/action_mainFragment_to_gaanaFragment"
+            app:destination="@id/gaanaFragment" />
     </fragment>
-    <fragment
+
-        android:id="@+id/youtubeFragment"
-        android:name="com.shabinder.spotiflyer.ui.youtube.YoutubeFragment"
-        android:label="YoutubeFragment"
-        tools:layout="@layout/youtube_fragment">
-        <argument
-            android:name="link"
-            app:argType="string" />
-    </fragment>
     <fragment
         android:id="@+id/downloadRecord"
         android:name="com.shabinder.spotiflyer.ui.downloadrecord.DownloadRecordFragment"
@@ -76,5 +62,35 @@
             app:destination="@id/youtubeFragment"
             app:enterAnim="@android:anim/slide_in_left"
             app:exitAnim="@android:anim/slide_out_right"/>
+        <action
+            android:id="@+id/action_downloadRecord_to_gaanaFragment"
+            app:destination="@id/gaanaFragment" />
+    </fragment>
+    <fragment
+        android:id="@+id/spotifyFragment"
+        android:name="com.shabinder.spotiflyer.ui.spotify.SpotifyFragment"
+        android:label="main_fragment"
+        tools:layout="@layout/track_list_fragment" >
+        <argument
+            android:name="link"
+            app:argType="string" />
+    </fragment>
+    <fragment
+        android:id="@+id/youtubeFragment"
+        android:name="com.shabinder.spotiflyer.ui.youtube.YoutubeFragment"
+        android:label="YoutubeFragment"
+        tools:layout="@layout/track_list_fragment">
+        <argument
+            android:name="link"
+            app:argType="string" />
+    </fragment>
+    <fragment
+        android:id="@+id/gaanaFragment"
+        android:name="com.shabinder.spotiflyer.ui.gaana.GaanaFragment"
+        android:label="GaanaFragment"
+        tools:layout="@layout/track_list_fragment">
+        <argument
+            android:name="link"
+            app:argType="string" />
     </fragment>
 </navigation>

app/src/main/res/values/colors.xml

@@ -20,10 +20,12 @@
 <resources>
     <color name="colorPrimary">#FC5C7D</color>
     <color name="colorPrimaryDark">#CE1CFF</color>
-    <color name="colorAccent">#799BFF</color>
+    <color name="colorAccent">#9AB3FF</color>
     <color name="white">#FFFFFF</color>
     <color name="grey">#99FFFFFF</color>
     <color name="black">#000000</color>
-
+    <color name="dark">#121212</color>
+    <color name="successGreen">#59C351</color>
+    <color name="errorRed">#FF9494</color>
 
 </resources>

app/src/main/res/values/styles.xml

@@ -19,37 +19,89 @@
     <!-- Base application theme. -->
     <style name="AppTheme" parent="Theme.MaterialComponents.DayNight.NoActionBar">
         <!-- Customize your theme here. -->
-        <item name="colorPrimaryDark">#000000</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="android:colorBackground">@color/black</item>
+        <item name="colorOnBackground">@color/white</item>
+        <item name="colorError">#FF5E5E</item>
+        <item name="colorOnError">@color/black</item>
+        <item name="colorSurface">@color/dark</item>
+        <item name="statusBarScrim">@color/black</item>
+        <item name="android:statusBarColor">@color/black</item>
+        <item name="colorOnSurface">@color/white</item>
         <item name="colorPrimary">#FC5C7D</item>
-        <item name="android:background">#000000</item>
+        <item name="colorOnPrimary">@color/white</item>
+        <item name="colorSecondary">@color/colorPrimaryDark</item>
+        <item name="colorOnSecondary">@color/white</item>
         <item name="android:textColor">#FFFFFF</item>
-        <item name="colorAccent">#6A82FB</item>
+        <item name="android:textColorHint">@color/grey</item>
-        <item name="android:outlineAmbientShadowColor" tools:targetApi="p">#A9B200FF</item>
+        <item name="colorAccent">@color/colorAccent</item>
-        <item name="android:radius">11dp</item>
+        <item name="android:outlineAmbientShadowColor" tools:targetApi="p">@color/colorPrimaryDark</item>
+        <item name="android:radius">12dp</item>
         <!-- Text Appearances !-->
         <!-- use our brand's custom TextAppearance4 !-->
         <item name="textAppearanceHeadline4">@style/TextAppearance.AppTheme.Headline4</item>
-        <!-- use default Body2 text apperance !-->
+        <!-- use default Body2 text appearance !-->
         <item name="textAppearanceBody2">@style/TextAppearance.MaterialComponents.Body2</item>
     </style>
 
+    <style name="Widget.AppCompat.Button.Colored.Gradient" parent="Widget.AppCompat.ActionButton">
+        <item name="android:layout_width">wrap_content</item>
+        <item name="android:layout_height">wrap_content</item>
+        <item name="android:background">@drawable/btn_design</item>
+        <item name="android:textColor">@color/black</item>
+        <item name="android:textAllCaps">true</item>
+        <item name="android:textAlignment">center</item>
+        <item name="android:paddingLeft">4dp</item>
+        <item name="android:paddingRight">4dp</item>
+        <item name="android:textSize">16sp</item>
 
+    </style>
+
+    <style name="Widget.AppCompat.ImageButton.40dp" parent="Widget.AppCompat.ImageButton">
+        <item name="android:layout_width">40dp</item>
+        <item name="android:layout_height">40dp</item>
+        <item name="android:background">@drawable/transparent</item>
+        <item name="android:scaleType">fitCenter</item>
+        <item name="android:layout_margin">8dp</item>
+    </style>
+    <style name="Widget.AppCompat.TextView.Gradient">
+        <item name="android:background">@drawable/text_background_accented</item>
+        <item name="android:textAlignment">center</item>
+        <item name="android:layout_width">wrap_content</item>
+        <item name="android:inputType">text</item>
+        <item name="android:gravity">center</item>
+        <item name="android:layout_gravity">center</item>
+        <item name="android:padding">8dp</item>
+        <item name="android:textSize">18sp</item>
+        <item name="android:textColor">@color/white</item>
+    </style>
+    <style name="Widget.AppCompat.ImageButton.platformIcon" parent="Widget.AppCompat.ImageButton">
+        <item name="android:layout_width">48dp</item>
+        <item name="android:layout_height">48dp</item>
+        <item name="android:background">@color/black</item>
+        <item name="android:scaleType">fitCenter</item>
+        <item name="android:padding">4dp</item>
+    </style>
     <style name="AlertDialogTheme" parent="ThemeOverlay.MaterialComponents.Dialog.Alert">
         <item name="shapeAppearanceMediumComponent">@style/CutShapeAppearance</item>
         <item name="buttonBarPositiveButtonStyle">@style/Alert.Button.Positive</item>
         <item name="buttonBarNeutralButtonStyle">@style/Alert.Button.Neutral</item>
+        <item name="android:textSize">22sp</item>
+        <item name="fontFamily">@font/amita</item>
     </style>
     <style name="CutShapeAppearance" parent="ShapeAppearance.MaterialComponents.MediumComponent">
         <item name="background">@color/white</item>
         <item name="cornerFamily">rounded</item>
-        <item name="cornerSize">20dp</item>
+        <item name="cornerSize">8dp</item>
     </style>
 
     <style name="Alert.Button.Positive" parent="Widget.MaterialComponents.Button.TextButton">
         <item name="backgroundTint">@color/colorPrimary</item>
-        <item name="rippleColor">@color/colorPrimaryDark</item>
+        <item name="rippleColor">@color/cardview_dark_background</item>
         <item name="android:textColor">@android:color/black</item>
         <item name="android:textSize">14sp</item>
+        <item name="android:layout_marginEnd">4dp</item>
+        <item name="android:layout_marginBottom">2dp</item>
         <item name="android:textAllCaps">false</item>
     </style>
 

app/src/main/res/xml/app_update.xml

@@ -18,8 +18,8 @@
 
 <AppUpdater>
     <update>
-        <latestVersion>1.5.1</latestVersion>
+        <latestVersion>1.6</latestVersion>
-        <latestVersionCode>7</latestVersionCode>
+        <latestVersionCode>8</latestVersionCode>
-        <url>https://github.com/Shabinder/SpotiFlyer/releases/download/1.5/SpotiFlyer-v1.5.apk</url>
+        <url>https://github.com/Shabinder/SpotiFlyer/releases/</url>
     </update>
 </AppUpdater>

build.gradle

@@ -20,7 +20,7 @@ buildscript {
     ext{
         kotlin_version = "1.4.10"
         navigationVersion = '2.3.0'
-        ext.hilt_version = '2.28-alpha'
+        ext.hilt_version = '2.29.1-alpha'
     }
     repositories {
         google()
@@ -33,7 +33,7 @@ buildscript {
         //safe-Args
         classpath "androidx.navigation:navigation-safe-args-gradle-plugin:$navigationVersion"
         classpath "com.google.dagger:hilt-android-gradle-plugin:$hilt_version"
-//        classpath "org.jetbrains.kotlin:kotlin-serialization:$kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-serialization:$kotlin_version"
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }