Cache ImageVectors to Improve App Performance

android/src/main/AndroidManifest.xml

@@ -40,7 +40,6 @@
     <uses-permission android:name="android.permission.WAKE_LOCK" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS" />
-    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
 
     <application
         android:name=".App"

buildSrc/src/main/kotlin/compiler-args.gradle.kts

@@ -5,9 +5,13 @@ plugins {
 kotlin {
     sourceSets {
         all {
-            languageSettings.useExperimentalAnnotation("kotlin.RequiresOptIn")
-            languageSettings.useExperimentalAnnotation("androidx.compose.animation")
-            languageSettings.useExperimentalAnnotation("kotlinx.serialization.ExperimentalSerializationApi")
+            languageSettings.apply {
+                useExperimentalAnnotation("kotlin.RequiresOptIn")
+                useExperimentalAnnotation("kotlin.Experimental")
+                useExperimentalAnnotation("kotlin.time.ExperimentalTime")
+                useExperimentalAnnotation("androidx.compose.animation")
+                useExperimentalAnnotation("kotlinx.serialization.ExperimentalSerializationApi")
+            }
         }
     }
 }

common/compose/src/androidMain/kotlin/com/shabinder/common/uikit/AndroidImageLoad.kt

@@ -23,7 +23,9 @@ actual fun ImageLoad(
     modifier: Modifier
     // placeholder: ImageVector
 ) {
-    var pic by remember(link) { mutableStateOf<ImageBitmap?>(null) }
+    var pic by remember(link) {
+        mutableStateOf<ImageBitmap?>(null)
+    }
 
     LaunchedEffect(link) {
         withContext(dispatcherIO) {

common/compose/src/androidMain/kotlin/com/shabinder/common/uikit/AndroidImages.kt

@@ -21,15 +21,23 @@ package com.shabinder.common.uikit
 import androidx.compose.foundation.Image
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.painter.Painter
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.graphics.vector.rememberVectorPainter
 import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.res.vectorResource
 import com.shabinder.common.database.R
 import com.shabinder.common.translations.Strings
 import kotlinx.coroutines.flow.MutableStateFlow
 
+@Composable
+internal actual fun <T> imageVectorResource(id: T): ImageVector =
+    ImageVector.Companion.vectorResource(id as Int)
+
 @Composable
 actual fun DownloadImageTick() {
     Image(
-        painterResource(R.drawable.ic_tick),
+        getCachedPainter(R.drawable.ic_tick),
         Strings.downloadDone()
     )
 }
@@ -37,7 +45,7 @@ actual fun DownloadImageTick() {
 @Composable
 actual fun DownloadImageError(modifier: Modifier) {
     Image(
-        painterResource(R.drawable.ic_error),
+        getCachedPainter(R.drawable.ic_error),
         Strings.downloadError(),
         modifier = modifier
     )
@@ -46,44 +54,44 @@ actual fun DownloadImageError(modifier: Modifier) {
 @Composable
 actual fun DownloadImageArrow(modifier: Modifier) {
     Image(
-        painterResource(R.drawable.ic_arrow),
+        getCachedPainter(R.drawable.ic_arrow),
         Strings.downloadStart(),
         modifier
     )
 }
 
 @Composable
-actual fun DownloadAllImage() = painterResource(R.drawable.ic_download_arrow)
+actual fun DownloadAllImage() = getCachedPainter(R.drawable.ic_download_arrow)
 
 @Composable
-actual fun ShareImage() = painterResource(R.drawable.ic_share_open)
+actual fun ShareImage() = getCachedPainter(R.drawable.ic_share_open)
 
 @Composable
-actual fun PlaceHolderImage() = painterResource(R.drawable.ic_song_placeholder)
+actual fun PlaceHolderImage() = getCachedPainter(R.drawable.ic_song_placeholder)
 
 @Composable
-actual fun SpotiFlyerLogo() = painterResource(R.drawable.ic_spotiflyer_logo)
+actual fun SpotiFlyerLogo() = getCachedPainter(R.drawable.ic_spotiflyer_logo)
 
 @Composable
 actual fun HeartIcon() = painterResource(R.drawable.ic_heart)
 
 @Composable
-actual fun SpotifyLogo() = painterResource(R.drawable.ic_spotify_logo)
+actual fun SpotifyLogo() = getCachedPainter(R.drawable.ic_spotify_logo)
 
 @Composable
-actual fun SaavnLogo() = painterResource(R.drawable.ic_jio_saavn_logo)
+actual fun SaavnLogo() = getCachedPainter(R.drawable.ic_jio_saavn_logo)
 
 @Composable
-actual fun GaanaLogo() = painterResource(R.drawable.ic_gaana)
+actual fun GaanaLogo() = getCachedPainter(R.drawable.ic_gaana)
 
 @Composable
-actual fun YoutubeLogo() = painterResource(R.drawable.ic_youtube)
+actual fun YoutubeLogo() = getCachedPainter(R.drawable.ic_youtube)
 
 @Composable
-actual fun YoutubeMusicLogo() = painterResource(R.drawable.ic_youtube_music_logo)
+actual fun YoutubeMusicLogo() = getCachedPainter(R.drawable.ic_youtube_music_logo)
 
 @Composable
-actual fun GithubLogo() = painterResource(R.drawable.ic_github)
+actual fun GithubLogo() = getCachedPainter(R.drawable.ic_github)
 
 @Composable
 actual fun PaypalLogo() = painterResource(R.drawable.ic_paypal_logo)

common/compose/src/commonMain/kotlin/com/shabinder/common/uikit/ExpectImages.kt

@@ -15,11 +15,27 @@
  */
 
 @file:Suppress("FunctionName")
+
 package com.shabinder.common.uikit
 
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.painter.Painter
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.graphics.vector.rememberVectorPainter
+import com.shabinder.common.caching.Cache
+
+private val ImageCache = Cache.Builder.newBuilder()
+    .maximumCacheSize(15).build<Any, ImageVector>()
+
+@Composable
+internal expect fun <T> imageVectorResource(id: T): ImageVector
+
+@Composable
+fun <K : Any> getCachedPainter(key: K): Painter {
+    return rememberVectorPainter(
+        ImageCache.get(key) ?: imageVectorResource(key).also { ImageCache.put(key, it) })
+}
 
 @Composable
 expect fun DownloadImageTick()

common/compose/src/desktopMain/kotlin/com/shabinder/common/uikit/DesktopImages.kt

@@ -15,19 +15,26 @@
  */
 
 @file:Suppress("FunctionName")
+
 package com.shabinder.common.uikit
 
 import androidx.compose.foundation.Image
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.painter.Painter
+import androidx.compose.ui.graphics.vector.ImageVector
 import androidx.compose.ui.graphics.vector.rememberVectorPainter
+import androidx.compose.ui.res.loadXmlImageVector
 import androidx.compose.ui.res.vectorXmlResource
 
+@Composable
+internal actual fun <T> imageVectorResource(id: T): ImageVector =
+    vectorXmlResource(id as String)
+
 @Composable
 actual fun DownloadImageTick() {
     Image(
-        vectorXmlResource("drawable/ic_tick.xml"),
+        getCachedPainter("drawable/ic_tick.xml"),
         "Downloaded"
     )
 }
@@ -35,7 +42,7 @@ actual fun DownloadImageTick() {
 @Composable
 actual fun DownloadImageError(modifier: Modifier) {
     Image(
-        vectorXmlResource("drawable/ic_error.xml"),
+        getCachedPainter("drawable/ic_error.xml"),
         "Can't Download",
         modifier = modifier
     )
@@ -44,51 +51,61 @@ actual fun DownloadImageError(modifier: Modifier) {
 @Composable
 actual fun DownloadImageArrow(modifier: Modifier) {
     Image(
-        vectorXmlResource("drawable/ic_arrow.xml"),
+        getCachedPainter("drawable/ic_arrow.xml"),
         "Download",
         modifier
     )
 }
 
 @Composable
-actual fun DownloadAllImage() = rememberVectorPainter(vectorXmlResource("drawable/ic_download_arrow.xml")) as Painter
+actual fun DownloadAllImage() = getCachedPainter("drawable/ic_download_arrow.xml")
+
 
 @Composable
-actual fun ShareImage() = rememberVectorPainter(vectorXmlResource("drawable/ic_share_open.xml")) as Painter
+actual fun ShareImage() = getCachedPainter("drawable/ic_share_open.xml")
 
 @Composable
-actual fun PlaceHolderImage() = rememberVectorPainter(vectorXmlResource("drawable/music.xml"))
-    as Painter
-@Composable
-actual fun SpotiFlyerLogo() =
-    rememberVectorPainter(vectorXmlResource("drawable/ic_spotiflyer_logo.xml")) as Painter
+actual fun PlaceHolderImage() = getCachedPainter("drawable/music.xml")
 
 @Composable
-actual fun HeartIcon() = rememberVectorPainter(vectorXmlResource("drawable/ic_heart.xml")) as Painter
+actual fun SpotiFlyerLogo() = getCachedPainter("drawable/ic_spotiflyer_logo.xml")
 
 @Composable
-actual fun SpotifyLogo() = rememberVectorPainter(vectorXmlResource("drawable/ic_spotify_logo.xml")) as Painter
+actual fun HeartIcon() =
+    getCachedPainter("drawable/ic_heart.xml")
 
 @Composable
-actual fun SaavnLogo() = rememberVectorPainter(vectorXmlResource("drawable/ic_jio_saavn_logo.xml")) as Painter
+actual fun SpotifyLogo() =
+    getCachedPainter("drawable/ic_spotify_logo.xml")
 
 @Composable
-actual fun YoutubeLogo() = rememberVectorPainter(vectorXmlResource("drawable/ic_youtube.xml")) as Painter
+actual fun SaavnLogo() =
+    getCachedPainter("drawable/ic_jio_saavn_logo.xml")
 
 @Composable
-actual fun GaanaLogo() = rememberVectorPainter(vectorXmlResource("drawable/ic_gaana.xml")) as Painter
+actual fun YoutubeLogo() =
+    getCachedPainter("drawable/ic_youtube.xml")
 
 @Composable
-actual fun YoutubeMusicLogo() = rememberVectorPainter(vectorXmlResource("drawable/ic_youtube_music_logo.xml")) as Painter
+actual fun GaanaLogo() =
+    getCachedPainter("drawable/ic_gaana.xml")
 
 @Composable
-actual fun GithubLogo() = rememberVectorPainter(vectorXmlResource("drawable/ic_github.xml")) as Painter
+actual fun YoutubeMusicLogo() =
+    getCachedPainter("drawable/ic_youtube_music_logo.xml")
 
 @Composable
-actual fun PaypalLogo() = rememberVectorPainter(vectorXmlResource("drawable/ic_paypal_logo.xml")) as Painter
+actual fun GithubLogo() =
+    getCachedPainter("drawable/ic_github.xml")
 
 @Composable
-actual fun OpenCollectiveLogo() = rememberVectorPainter(vectorXmlResource("drawable/ic_opencollective_icon.xml")) as Painter
+actual fun PaypalLogo() =
+    getCachedPainter("drawable/ic_paypal_logo.xml")
 
 @Composable
-actual fun RazorPay() = rememberVectorPainter(vectorXmlResource("drawable/ic_indian_rupee.xml")) as Painter
+actual fun OpenCollectiveLogo() =
+    getCachedPainter("drawable/ic_opencollective_icon.xml")
+
+@Composable
+actual fun RazorPay() =
+    getCachedPainter("drawable/ic_indian_rupee.xml")

common/data-models/src/androidMain/kotlin/com.shabinder.common.models/AndroidPlatformActions.kt

@@ -1,6 +1,7 @@
 package com.shabinder.common.models
 
 import android.content.SharedPreferences
+import kotlinx.coroutines.CoroutineScope
 
 actual interface PlatformActions {
 
@@ -26,3 +27,5 @@ internal actual val StubPlatformActions = object : PlatformActions {
 
     override fun sendTracksToService(array: List<TrackDetails>) {}
 }
+
+actual fun <T> runBlocking(block: suspend CoroutineScope.() -> T): T = kotlinx.coroutines.runBlocking { block() }

common/data-models/src/commonMain/kotlin/com/shabinder/common/caching/Cache.kt

@@ -1,6 +1,7 @@
 package com.shabinder.common.caching
 
 import kotlin.time.Duration
+import kotlin.time.ExperimentalTime
 import kotlin.time.TimeSource
 
 /**
@@ -23,6 +24,8 @@ public interface Cache<in Key : Any, Value : Any> {
      */
     public suspend fun get(key: Key, loader: suspend () -> Value): Value
 
+    public fun getBlocking(key: Key, loader: suspend () -> Value): Value
+
     /**
      * Associates [value] with [key] in this cache. If the cache previously contained a
      * value associated with [key], the old value is replaced by [value].

common/data-models/src/commonMain/kotlin/com/shabinder/common/caching/RealCache.kt

@@ -4,6 +4,7 @@ import co.touchlab.stately.collections.IsoMutableMap
 import co.touchlab.stately.collections.IsoMutableSet
 import co.touchlab.stately.concurrency.AtomicReference
 import co.touchlab.stately.concurrency.value
+import com.shabinder.common.models.runBlocking
 import kotlin.time.Duration
 import kotlin.time.TimeMark
 import kotlin.time.TimeSource
@@ -110,6 +111,12 @@ internal class RealCache<Key : Any, Value : Any>(
         }
     }
 
+
+    override fun getBlocking(key: Key, loader: suspend () -> Value): Value =
+        runBlocking {
+            get(key, loader)
+        }
+
     override fun put(key: Key, value: Value) {
         expireEntries()
 

common/data-models/src/commonMain/kotlin/com/shabinder/common/models/PlatformActions.kt

@@ -1,5 +1,9 @@
 package com.shabinder.common.models
 
+import kotlinx.coroutines.CoroutineScope
+
 expect interface PlatformActions
 
 internal expect val StubPlatformActions: PlatformActions
+
+expect fun <T> runBlocking(block: suspend CoroutineScope.() -> T): T

common/data-models/src/commonMain/kotlin/com/shabinder/common/utils/Ext.kt

@@ -7,7 +7,6 @@ import kotlin.contracts.contract
 
 fun <T : Any?> T?.requireNotNull(): T = requireNotNull(this)
 
-
 @OptIn(ExperimentalContracts::class)
 inline fun buildString(track: TrackDetails, builderAction: StringBuilder.() -> Unit): String {
     contract { callsInPlace(builderAction, InvocationKind.EXACTLY_ONCE) }

common/data-models/src/desktopMain/kotlin/com/shabinder/common/models/DesktopPlatformActions.kt

@@ -1,5 +1,9 @@
 package com.shabinder.common.models
 
+import kotlinx.coroutines.CoroutineScope
+
 actual interface PlatformActions
 
 internal actual val StubPlatformActions = object : PlatformActions {}
+
+actual fun <T> runBlocking(block: suspend CoroutineScope.() -> T): T = kotlinx.coroutines.runBlocking { block() }

common/data-models/src/jsMain/kotlin/com.shabinder.common.models/JSPlatformActions.kt

@@ -1,5 +1,10 @@
 package com.shabinder.common.models
 
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.promise
+
 
 actual interface PlatformActions
 internal actual val StubPlatformActions = object : PlatformActions {}
+actual fun <T> runBlocking(block: suspend CoroutineScope.() -> T): dynamic = GlobalScope.promise(block = block)