Initial commit
This commit is contained in:
MM20
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/build
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plugins {
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id("com.android.library")
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id("kotlin-android")
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id("kotlin-android-extensions")
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}
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android {
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compileSdk = sdk.versions.compileSdk.get().toInt()
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defaultConfig {
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minSdk = sdk.versions.minSdk.get().toInt()
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targetSdk = sdk.versions.targetSdk.get().toInt()
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testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
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consumerProguardFiles("consumer-rules.pro")
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}
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buildTypes {
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release {
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isMinifyEnabled = false
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proguardFiles(
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getDefaultProguardFile("proguard-android-optimize.txt"),
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"proguard-rules.pro"
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)
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}
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}
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compileOptions {
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sourceCompatibility = JavaVersion.VERSION_1_8
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targetCompatibility = JavaVersion.VERSION_1_8
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}
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kotlinOptions {
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jvmTarget = "1.8"
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}
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}
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dependencies {
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implementation(libs.bundles.kotlin)
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implementation(libs.androidx.core)
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implementation(libs.androidx.appcompat)
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implementation(libs.androidx.media2)
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implementation(project(":ktx"))
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}
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Vendored
+21
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# Add project specific ProGuard rules here.
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# You can control the set of applied configuration files using the
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# proguardFiles setting in build.gradle.kts.kts.
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#
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# For more details, see
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# http://developer.android.com/guide/developing/tools/proguard.html
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# If your project uses WebView with JS, uncomment the following
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# and specify the fully qualified class name to the JavaScript interface
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# class:
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#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
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# public *;
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#}
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# Uncomment this to preserve the line number information for
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# debugging stack traces.
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#-keepattributes SourceFile,LineNumberTable
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# If you keep the line number information, uncomment this to
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# hide the original source file name.
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#-renamesourcefileattribute SourceFile
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="de.mm20.launcher2.music">
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/
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</manifest>
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@@ -0,0 +1,268 @@
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package de.mm20.launcher2.music
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import android.app.PendingIntent
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import android.content.Context
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import android.content.Intent
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import android.graphics.Bitmap
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import android.graphics.BitmapFactory
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import android.media.AudioManager
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import android.os.Bundle
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import android.support.v4.media.session.MediaSessionCompat
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import android.util.Log
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import android.view.KeyEvent
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import androidx.core.content.edit
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import androidx.core.graphics.scale
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import androidx.lifecycle.MutableLiveData
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import androidx.media2.common.MediaItem
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import androidx.media2.common.MediaMetadata
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import androidx.media2.common.SessionPlayer
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import androidx.media2.session.MediaController
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import androidx.media2.session.SessionCommand
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import androidx.media2.session.SessionCommandGroup
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import androidx.media2.session.SessionResult
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import kotlinx.coroutines.*
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import java.io.File
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import java.util.concurrent.Executors
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class MusicRepository private constructor(val context: Context) {
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private val scope = CoroutineScope(Job() + Dispatchers.Main)
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val playbackState = MutableLiveData<PlaybackState>()
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val title = MutableLiveData<String?>()
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val artist = MutableLiveData<String?>()
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val album = MutableLiveData<String?>()
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val albumArt = MutableLiveData<Bitmap?>()
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private var lastPlayer: String? = null
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set(value) {
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context.getSharedPreferences(PREFS, Context.MODE_PRIVATE).edit {
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putString(PREFS_KEY_LAST_PLAYER, value)
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}
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field = value
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}
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private var lastToken: String? = null
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fun setMediaSession(token: MediaSessionCompat.Token) {
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if (token.toString() == lastToken.toString()) return
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mediaController?.close()
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mediaController = MediaController.Builder(context)
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.setSessionCompatToken(token)
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.setControllerCallback(Executors.newSingleThreadExecutor(), mediaSessionCallback)
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.build()
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lastToken = token.toString()
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}
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private var mediaController: MediaController? = null
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set(value) {
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if (value == null) {
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playbackState.postValue(PlaybackState.Stopped)
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}
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field = value
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}
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private val mediaSessionCallback = object : MediaController.ControllerCallback() {
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override fun onConnected(controller: MediaController, allowedCommands: SessionCommandGroup) {
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super.onConnected(controller, allowedCommands)
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updateMetadata()
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updateState()
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}
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override fun onCurrentMediaItemChanged(controller: MediaController, item: MediaItem?) {
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super.onCurrentMediaItemChanged(controller, item)
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updateMetadata()
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}
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override fun onPlayerStateChanged(controller: MediaController, state: Int) {
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super.onPlayerStateChanged(controller, state)
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updateState()
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}
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override fun onPlaybackInfoChanged(controller: MediaController, info: MediaController.PlaybackInfo) {
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super.onPlaybackInfoChanged(controller, info)
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Log.d("MM20", "CurrentPosition" + controller.currentPosition.toString())
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}
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override fun onDisconnected(controller: MediaController) {
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super.onDisconnected(controller)
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mediaController = null
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}
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/*override fun onMetadataChanged(metadata: MediaController?) {
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super.onMetadataChanged(metadata)
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updateState()
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}
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override fun onSessionDestroyed() {
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super.onSessionDestroyed()
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mediaController = null
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hasActiveSession.value = false
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playbackState.value = PlaybackState.Stopped
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}*/
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}
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private fun updateMetadata() {
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val metadata = mediaController?.currentMediaItem?.metadata ?: return
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val title = metadata.getString(MediaMetadata.METADATA_KEY_DISPLAY_TITLE)
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?: metadata.getString(MediaMetadata.METADATA_KEY_TITLE)
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val artist = metadata.getString(MediaMetadata.METADATA_KEY_ARTIST)
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?: metadata.getString(MediaMetadata.METADATA_KEY_COMPOSER)
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?: metadata.getString(MediaMetadata.METADATA_KEY_AUTHOR)
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?: metadata.getString(MediaMetadata.METADATA_KEY_WRITER)
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val album = metadata.getString(MediaMetadata.METADATA_KEY_ALBUM)
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lastPlayer = mediaController?.connectedToken?.packageName ?: lastPlayer
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this@MusicRepository.title.postValue(title)
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this@MusicRepository.artist.postValue(artist)
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this@MusicRepository.album.postValue(album)
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scope.launch {
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withContext(Dispatchers.IO) {
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val albumArt = metadata.getBitmap(MediaMetadata.METADATA_KEY_ALBUM_ART)
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context.getSharedPreferences(PREFS, Context.MODE_PRIVATE).edit {
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putString(PREFS_KEY_ALBUM_ART, if (albumArt == null) "null" else "notnull")
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}
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if (albumArt == null) {
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this@MusicRepository.albumArt.postValue(null)
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return@withContext
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}
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val size = context.resources.getDimensionPixelSize(R.dimen.album_art_size)
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val scaledBitmap = albumArt.scale(size, size)
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val file = File(context.cacheDir, "album_art")
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val outStream = file.outputStream()
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scaledBitmap.compress(Bitmap.CompressFormat.PNG, 100, outStream)
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outStream.close()
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this@MusicRepository.albumArt.postValue(scaledBitmap)
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}
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}
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context.getSharedPreferences(PREFS, Context.MODE_PRIVATE).edit {
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putString(PREFS_KEY_TITLE, title)
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putString(PREFS_KEY_ARTIST, artist)
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putString(PREFS_KEY_ALBUM, album)
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}
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}
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private fun updateState() {
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val playbackState = when (mediaController?.playerState) {
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SessionPlayer.PLAYER_STATE_PLAYING -> PlaybackState.Playing
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SessionPlayer.PLAYER_STATE_PAUSED -> PlaybackState.Paused
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else -> PlaybackState.Stopped
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}
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this@MusicRepository.playbackState.postValue(playbackState)
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}
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val hasActiveSession: Boolean = mediaController?.isConnected != null
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init {
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loadLastPlaybackMetadata()
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}
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private fun loadLastPlaybackMetadata() {
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val prefs = context.getSharedPreferences(PREFS, Context.MODE_PRIVATE)
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lastPlayer = prefs.getString(PREFS_KEY_LAST_PLAYER, null)
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title.value = prefs.getString(PREFS_KEY_TITLE, null)
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artist.value = prefs.getString(PREFS_KEY_ARTIST, null)
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album.value = prefs.getString(PREFS_KEY_ALBUM, null)
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if (prefs.getString(PREFS_KEY_ALBUM_ART, "null") == "null") {
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albumArt.value = null
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} else scope.launch {
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val albumArt = withContext(Dispatchers.IO) {
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BitmapFactory.decodeFile(File(context.cacheDir, "album_art").absolutePath)
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}
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this@MusicRepository.albumArt.value = albumArt
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}
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playbackState.value = PlaybackState.Stopped
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}
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fun previous() {
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if (mediaController?.skipToPreviousPlaylistItem()?.get() == null) {
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val audioManager = context.getSystemService(Context.AUDIO_SERVICE) as AudioManager
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val downEvent = KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MEDIA_PREVIOUS)
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audioManager.dispatchMediaKeyEvent(downEvent)
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val upEvent = KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_MEDIA_PREVIOUS)
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audioManager.dispatchMediaKeyEvent(upEvent)
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}
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}
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fun next() {
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if (mediaController?.skipToNextPlaylistItem()?.get() == null) {
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val audioManager = context.getSystemService(Context.AUDIO_SERVICE) as AudioManager
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val downEvent = KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MEDIA_NEXT)
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audioManager.dispatchMediaKeyEvent(downEvent)
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val upEvent = KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_MEDIA_NEXT)
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audioManager.dispatchMediaKeyEvent(upEvent)
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}
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}
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fun play() {
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if (mediaController?.play()?.get() == null) {
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val audioManager = context.getSystemService(Context.AUDIO_SERVICE) as AudioManager
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val downEvent = KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MEDIA_PLAY)
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audioManager.dispatchMediaKeyEvent(downEvent)
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val upEvent = KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_MEDIA_PLAY)
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audioManager.dispatchMediaKeyEvent(upEvent)
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}
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}
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fun pause() {
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if (mediaController?.pause()?.get() == null) {
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val audioManager = context.getSystemService(Context.AUDIO_SERVICE) as AudioManager
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val downEvent = KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MEDIA_PAUSE)
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audioManager.dispatchMediaKeyEvent(downEvent)
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val upEvent = KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_MEDIA_PAUSE)
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audioManager.dispatchMediaKeyEvent(upEvent)
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}
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}
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fun togglePause() {
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if (playbackState.value != PlaybackState.Playing) play() else pause()
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}
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fun getLaunchIntent(context: Context): PendingIntent {
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mediaController?.sessionActivity?.let {
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return it
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}
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val intent = Intent(Intent.ACTION_MAIN)
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.setPackage(lastPlayer)
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.addCategory(Intent.CATEGORY_APP_MUSIC)
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.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
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return PendingIntent.getActivity(context, 0, intent, PendingIntent.FLAG_ONE_SHOT or PendingIntent.FLAG_IMMUTABLE)
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}
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fun openPlayerChooser(context: Context) {
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context.startActivity(Intent.createChooser(
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Intent(Intent.ACTION_MAIN)
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.apply {
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addCategory(Intent.CATEGORY_APP_MUSIC)
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flags = Intent.FLAG_ACTIVITY_NEW_TASK
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},
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null)
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)
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}
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companion object {
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private lateinit var instance: MusicRepository
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fun getInstance(context: Context): MusicRepository {
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if (!::instance.isInitialized) instance = MusicRepository(context.applicationContext)
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return instance
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}
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private const val PREFS = "music"
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private const val PREFS_KEY_TITLE = "title"
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private const val PREFS_KEY_ARTIST = "artist"
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private const val PREFS_KEY_ALBUM = "album"
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private const val PREFS_KEY_ALBUM_ART = "album_art"
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private const val PREFS_KEY_LAST_PLAYER = "last_player"
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}
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}
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enum class PlaybackState {
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Paused,
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Playing,
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Stopped
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}
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@@ -0,0 +1,50 @@
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package de.mm20.launcher2.music
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import android.app.Application
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import android.app.PendingIntent
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import android.content.Context
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import android.graphics.Bitmap
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import androidx.lifecycle.AndroidViewModel
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import androidx.lifecycle.LiveData
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import androidx.lifecycle.MutableLiveData
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class MusicViewModel(app: Application) : AndroidViewModel(app) {
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val musicRepository = MusicRepository.getInstance(app)
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val title: LiveData<String?> = musicRepository.title
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val artist: LiveData<String?> = musicRepository.artist
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val album: LiveData<String?> = musicRepository.album
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val albumArt: LiveData<Bitmap?> = musicRepository.albumArt
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val playbackState: LiveData<PlaybackState> = musicRepository.playbackState
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val hasActiveSession : Boolean = musicRepository.hasActiveSession
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fun previous() {
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musicRepository.previous()
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}
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fun next() {
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musicRepository.next()
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}
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fun play() {
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musicRepository.play()
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}
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fun pause() {
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musicRepository.pause()
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}
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fun togglePause() {
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musicRepository.togglePause()
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}
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fun getLaunchIntent(context: Context): PendingIntent {
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return musicRepository.getLaunchIntent(context)
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}
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fun openPlayerChooser(context: Context) {
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musicRepository.openPlayerChooser(context)
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}
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}
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@@ -0,0 +1,3 @@
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<resources>
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<dimen name="album_art_size">144dp</dimen>
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</resources>
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Reference in New Issue
Block a user