Image Loading Sent to Background for smooth UI

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

@@ -98,9 +98,6 @@ class MainActivity : ComponentActivity(), PaymentResultListener {
                         permissionGranted = remember { mutableStateOf(true) }
                         val view = LocalView.current
 
-                        LaunchedEffect(view) {
-                            permissionGranted.value = checkPermissions()
-                        }
                         Box {
                             root = SpotiFlyerRootContent(
                                 rememberRootComponent(::spotiFlyerRoot),
@@ -114,6 +111,9 @@ class MainActivity : ComponentActivity(), PaymentResultListener {
                             )
                         }
 
+                        LaunchedEffect(view) {
+                            permissionGranted.value = checkPermissions()
+                        }
                         NetworkDialog()
                         PermissionDialog()
                     }

common/dependency-injection/src/androidMain/kotlin/com/shabinder/common/di/AndroidDir.kt

@@ -27,10 +27,7 @@ import com.mpatric.mp3agic.Mp3File
 import com.shabinder.common.database.appContext
 import com.shabinder.common.models.TrackDetails
 import com.shabinder.database.Database
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.GlobalScope
-import kotlinx.coroutines.launch
+import kotlinx.coroutines.*
 import java.io.File
 import java.io.FileOutputStream
 import java.io.IOException
@@ -76,12 +73,14 @@ actual class Dir actual constructor(
     }
 
     actual suspend fun cacheImage(image: Any, path: String) {
-        try {
-            FileOutputStream(path).use { out ->
-                (image as? Bitmap)?.compress(Bitmap.CompressFormat.JPEG, 100, out)
+        withContext(Dispatchers.IO){
+            try {
+                FileOutputStream(path).use { out ->
+                    (image as? Bitmap)?.compress(Bitmap.CompressFormat.JPEG, 100, out)
+                }
+            } catch (e: IOException) {
+                e.printStackTrace()
             }
-        } catch (e: IOException) {
-            e.printStackTrace()
         }
     }
 
@@ -90,53 +89,55 @@ actual class Dir actual constructor(
         mp3ByteArray: ByteArray,
         trackDetails: TrackDetails
     ) {
-        val songFile = File(trackDetails.outputFilePath)
-        /*
-        * Check , if Fetch was Used, File is saved Already, else write byteArray we Received
-        * */
-        // if(!m4aFile.exists()) m4aFile.writeBytes(mp3ByteArray)
+        withContext(Dispatchers.IO){
+            val songFile = File(trackDetails.outputFilePath)
+            /*
+            * Check , if Fetch was Used, File is saved Already, else write byteArray we Received
+            * */
+            // if(!m4aFile.exists()) m4aFile.writeBytes(mp3ByteArray)
 
-        when (trackDetails.outputFilePath.substringAfterLast('.')) {
-            ".mp3" -> {
-                Mp3File(File(songFile.absolutePath))
-                    .removeAllTags()
-                    .setId3v1Tags(trackDetails)
-                    .setId3v2TagsAndSaveFile(trackDetails)
-                addToLibrary(songFile.absolutePath)
-            }
-            ".m4a" -> {
-                /*FFmpeg.executeAsync(
-                    "-i ${m4aFile.absolutePath} -y -b:a 160k -acodec libmp3lame -vn ${m4aFile.absolutePath.substringBeforeLast('.') + ".mp3"}"
-                ){ _, returnCode ->
-                    when (returnCode) {
-                        Config.RETURN_CODE_SUCCESS  -> {
-                            //FFMPEG task Completed
-                            logger.d{ "Async command execution completed successfully." }
-                            scope.launch {
-                                Mp3File(File(m4aFile.absolutePath.substringBeforeLast('.') + ".mp3"))
-                                    .removeAllTags()
-                                    .setId3v1Tags(trackDetails)
-                                    .setId3v2TagsAndSaveFile(trackDetails)
-                                addToLibrary(m4aFile.absolutePath.substringBeforeLast('.') + ".mp3")
-                            }
-                        }
-                        Config.RETURN_CODE_CANCEL -> {
-                            logger.d{"Async command execution cancelled by user."}
-                        }
-                        else -> {
-                            logger.d { "Async command execution failed with rc=$returnCode" }
-                        }
-                    }
-                }*/
-            }
-            else -> {
-                try {
+            when (trackDetails.outputFilePath.substringAfterLast('.')) {
+                ".mp3" -> {
                     Mp3File(File(songFile.absolutePath))
                         .removeAllTags()
                         .setId3v1Tags(trackDetails)
                         .setId3v2TagsAndSaveFile(trackDetails)
                     addToLibrary(songFile.absolutePath)
-                } catch (e: Exception) { e.printStackTrace() }
+                }
+                ".m4a" -> {
+                    /*FFmpeg.executeAsync(
+                        "-i ${m4aFile.absolutePath} -y -b:a 160k -acodec libmp3lame -vn ${m4aFile.absolutePath.substringBeforeLast('.') + ".mp3"}"
+                    ){ _, returnCode ->
+                        when (returnCode) {
+                            Config.RETURN_CODE_SUCCESS  -> {
+                                //FFMPEG task Completed
+                                logger.d{ "Async command execution completed successfully." }
+                                scope.launch {
+                                    Mp3File(File(m4aFile.absolutePath.substringBeforeLast('.') + ".mp3"))
+                                        .removeAllTags()
+                                        .setId3v1Tags(trackDetails)
+                                        .setId3v2TagsAndSaveFile(trackDetails)
+                                    addToLibrary(m4aFile.absolutePath.substringBeforeLast('.') + ".mp3")
+                                }
+                            }
+                            Config.RETURN_CODE_CANCEL -> {
+                                logger.d{"Async command execution cancelled by user."}
+                            }
+                            else -> {
+                                logger.d { "Async command execution failed with rc=$returnCode" }
+                            }
+                        }
+                    }*/
+                }
+                else -> {
+                    try {
+                        Mp3File(File(songFile.absolutePath))
+                            .removeAllTags()
+                            .setId3v1Tags(trackDetails)
+                            .setId3v2TagsAndSaveFile(trackDetails)
+                        addToLibrary(songFile.absolutePath)
+                    } catch (e: Exception) { e.printStackTrace() }
+                }
             }
         }
     }
@@ -149,9 +150,9 @@ actual class Dir actual constructor(
         )
     }
 
-    actual suspend fun loadImage(url: String): Picture {
+    actual suspend fun loadImage(url: String): Picture = withContext(Dispatchers.IO){
         val cachePath = imageCacheDir() + getNameURL(url)
-        return Picture(image = (loadCachedImage(cachePath) ?: freshImage(url))?.asImageBitmap())
+        Picture(image = (loadCachedImage(cachePath) ?: freshImage(url))?.asImageBitmap())
     }
 
     private fun loadCachedImage(cachePath: String): Bitmap? {
@@ -162,8 +163,9 @@ actual class Dir actual constructor(
             null
         }
     }
-    private suspend fun freshImage(url: String): Bitmap? {
-        return try {
+
+    private suspend fun freshImage(url: String): Bitmap? = withContext(Dispatchers.IO) {
+        try {
             val source = URL(url)
             val connection: HttpURLConnection = source.openConnection() as HttpURLConnection
             connection.connectTimeout = 5000

common/dependency-injection/src/androidMain/kotlin/com/shabinder/common/di/YoutubeProvider.kt

@@ -42,17 +42,15 @@ actual class YoutubeProvider actual constructor(
     private val sampleDomain2 = "youtube.com"
     private val sampleDomain3 = "youtu.be"
 
-    actual suspend fun query(fullLink: String): PlatformQueryResult? {
+    actual suspend fun query(fullLink: String): PlatformQueryResult? = withContext(Dispatchers.IO) {
         val link = fullLink.removePrefix("https://").removePrefix("http://")
         if (link.contains("playlist", true) || link.contains("list", true)) {
             // Given Link is of a Playlist
             logger.i { link }
             val playlistId = link.substringAfter("?list=").substringAfter("&list=").substringBefore("&").substringBefore("?")
-            return withContext(Dispatchers.IO) {
-                getYTPlaylist(
-                    playlistId
-                )
-            }
+            getYTPlaylist(
+                playlistId
+            )
         } else { // Given Link is of a Video
             var searchId = "error"
             when {
@@ -66,12 +64,10 @@ actual class YoutubeProvider actual constructor(
                     searchId = link.substringAfterLast("/", "error").substringBefore("&")
                 }
             }
-            return if (searchId != "error") {
-                withContext(Dispatchers.IO) {
-                    getYTTrack(
-                        searchId
-                    )
-                }
+            if (searchId != "error") {
+                getYTTrack(
+                    searchId
+                )
             } else {
                 logger.d { "Your Youtube Link is not of a Video!!" }
                 null
@@ -81,7 +77,7 @@ actual class YoutubeProvider actual constructor(
 
     private suspend fun getYTPlaylist(
         searchId: String
-    ): PlatformQueryResult? {
+    ): PlatformQueryResult? = withContext(Dispatchers.IO) {
         val result = PlatformQueryResult(
             folderType = "",
             subFolder = "",
@@ -133,14 +129,13 @@ actual class YoutubeProvider actual constructor(
                 logger.d { "An Error Occurred While Processing!" }
             }
         }
-        return if (result.title.isNotBlank()) result
-        else null
+        if (result.title.isNotBlank()) result else null
     }
 
     @Suppress("DefaultLocale")
     private suspend fun getYTTrack(
         searchId: String,
-    ): PlatformQueryResult? {
+    ): PlatformQueryResult? = withContext(Dispatchers.IO) {
         val result = PlatformQueryResult(
             folderType = "",
             subFolder = "",
@@ -188,7 +183,6 @@ actual class YoutubeProvider actual constructor(
                 logger.e { "An Error Occurred While Processing!,$searchId" }
             }
         }
-        return if (result.title.isNotBlank()) result
-        else null
+        if (result.title.isNotBlank()) result else null
     }
 }

common/dependency-injection/src/androidMain/kotlin/com/shabinder/common/di/worker/ForegroundService.kt

@@ -173,7 +173,7 @@ class ForegroundService : Service(), CoroutineScope {
      **/
     private fun downloadAllTracks(trackList: List<TrackDetails>) {
         trackList.forEach {
-            launch {
+            launch(Dispatchers.IO) {
                 if (!it.videoID.isNullOrBlank()) { // Video ID already known!
                     downloadTrack(it.videoID!!, it)
                 } else {
@@ -193,20 +193,18 @@ class ForegroundService : Service(), CoroutineScope {
         }
     }
 
-    private fun downloadTrack(videoID: String, track: TrackDetails) {
-        launch {
-            try {
-                val url = fetcher.youtubeMp3.getMp3DownloadLink(videoID)
-                if (url == null) {
-                    val audioData: Format = ytDownloader.getVideo(videoID).getData() ?: throw Exception("Java YT Dependency Error")
-                    val ytUrl: String = audioData.url()
-                    enqueueDownload(ytUrl, track)
-                } else enqueueDownload(url, track)
-            } catch (e: Exception) {
-                logger.d("Service YT Error") { e.message.toString() }
-                sendTrackBroadcast(Status.FAILED.name, track)
-                allTracksStatus[track.title] = DownloadStatus.Failed
-            }
+    private suspend fun downloadTrack(videoID: String, track: TrackDetails) {
+        try {
+            val url = fetcher.youtubeMp3.getMp3DownloadLink(videoID)
+            if (url == null) {
+                val audioData: Format = ytDownloader.getVideo(videoID).getData() ?: throw Exception("Java YT Dependency Error")
+                val ytUrl: String = audioData.url()
+                enqueueDownload(ytUrl, track)
+            } else enqueueDownload(url, track)
+        } catch (e: Exception) {
+            logger.d("Service YT Error") { e.message.toString() }
+            sendTrackBroadcast(Status.FAILED.name, track)
+            allTracksStatus[track.title] = DownloadStatus.Failed
         }
     }