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@ -1,10 +1,6 @@ |
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package com.yunqiinnovation.music_service |
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import android.app.Notification |
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import android.app.NotificationChannel |
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import android.app.NotificationManager |
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import android.app.PendingIntent |
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import android.app.Service |
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import android.app.* |
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import android.content.Context |
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import android.content.Intent |
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import android.media.AudioManager |
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@ -13,8 +9,7 @@ import android.os.Build |
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import android.os.IBinder |
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import android.util.Log |
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import androidx.core.app.NotificationCompat |
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import com.yunqiinnovation.music_service.MusicServiceStarter |
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import kotlinx.coroutines.CoroutineScope |
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import com.yunqiinnovation.deepvoice_utils.FileLogger |
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import java.util.concurrent.atomic.AtomicBoolean |
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class MusicService : Service() { |
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@ -23,131 +18,163 @@ class MusicService : Service() { |
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private const val TAG = "MusicService" |
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private const val CHANNEL_ID = "music_media_service_channel" |
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private const val NOTIFICATION_ID = 1002 |
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private const val PREF_NAME = "deep_voice_config" |
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// 用于跟踪服务是否正在运行 |
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private val isRunning = AtomicBoolean(false) |
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// 获取服务运行状态 |
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fun isServiceRunning(): Boolean = isRunning.get() |
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} |
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private var mediaPlayer: MediaPlayer? = null |
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private val playlist = mutableListOf<String>() // 可扩展支持播放列表 |
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private val playlist = mutableListOf<String>() // 可选：初始化为预置歌曲 |
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private var currentIndex = 0 |
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private var isPlaying = false |
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override fun onCreate() { |
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super.onCreate() |
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val notification = createNotification() // 创建一个非空通知 |
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startForeground(1, notification) |
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} |
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private var isPlaying = false |
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/** |
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* 创建前台服务通知 |
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*/ |
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private fun createNotification(): Notification { |
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val manager = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager |
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// Android 8.0+ 需要创建通知渠道 |
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) { |
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val channel = NotificationChannel( |
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CHANNEL_ID, |
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"音乐播放服务", |
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NotificationManager.IMPORTANCE_LOW |
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) |
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manager.createNotificationChannel(channel) |
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} |
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// 点击通知打开主界面 |
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val intent = packageManager.getLaunchIntentForPackage(packageName)?.apply { |
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flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TOP |
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} |
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val pendingIntent = if (intent != null) { |
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PendingIntent.getActivity( |
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this, |
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0, |
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intent, |
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PendingIntent.FLAG_IMMUTABLE or PendingIntent.FLAG_UPDATE_CURRENT |
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) |
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} else { |
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null |
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} |
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// 构建通知 |
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val builder = NotificationCompat.Builder(this, CHANNEL_ID) |
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.setContentTitle("DeepSound") |
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.setContentText(if (isPlaying) "正在播放" else "已暂停") |
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.setSmallIcon(android.R.drawable.ic_media_play) |
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// 设置点击意图 |
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pendingIntent?.let { builder.setContentIntent(it) } |
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return builder.build() |
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FileLogger.init(this) |
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FileLogger.i(TAG, "MusicService 正在创建...") |
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isRunning.set(true) |
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Log.i(TAG, "MusicService Created") |
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startForeground(NOTIFICATION_ID, createNotification("等待播放...")) |
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isRunning.set(true) |
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} |
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override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int { |
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val command = intent?.getStringExtra("command") ?: return START_NOT_STICKY |
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Log.i(TAG, "onStartCommand: $command") |
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when (command) { |
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"play" -> { |
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val url = intent.getStringExtra("url") ?: return START_NOT_STICKY |
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if (!playlist.contains(url)) playlist.add(url) |
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currentIndex = playlist.indexOf(url) |
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play(url) |
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} |
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"pause" -> mediaPlayer?.pause() |
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"resume" -> mediaPlayer?.start() |
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"pause" -> pause() |
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"resume" -> resume() |
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"stop" -> stopSelf() |
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"next" -> { |
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currentIndex++ |
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if (currentIndex < playlist.size) play(playlist[currentIndex]) |
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if (currentIndex + 1 < playlist.size) { |
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currentIndex++ |
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play(playlist[currentIndex]) |
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} |
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} |
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"previous" -> { |
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currentIndex-- |
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if (currentIndex >= 0) play(playlist[currentIndex]) |
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if (currentIndex - 1 >= 0) { |
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currentIndex-- |
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play(playlist[currentIndex]) |
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} |
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} |
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"setVolume" -> { |
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val volume = intent.getFloatExtra("volume", 1.0f) |
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val volume = intent.getFloatExtra("volume", 1.0f).coerceIn(0f, 1f) |
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mediaPlayer?.setVolume(volume, volume) |
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} |
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} |
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return START_STICKY |
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} |
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private fun play(url: String) { |
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Log.i(TAG, "开始播放音乐: $url") |
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mediaPlayer?.release() |
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Log.i(TAG, "播放音乐: $url") |
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releaseMediaPlayer() |
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mediaPlayer = MediaPlayer().apply { |
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setDataSource(url) |
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setAudioStreamType(AudioManager.STREAM_MUSIC) |
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setOnPreparedListener { |
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start() |
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this@MusicService.isPlaying = true |
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updateNotification("正在播放") |
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Log.i(TAG, "开始播放") |
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} |
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setOnCompletionListener { |
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Log.i(TAG, "播放完成") |
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this@MusicService.isPlaying = false |
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stopSelf() |
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} |
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setOnErrorListener { _, what, extra -> |
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Log.e(TAG, "播放错误: what=$what extra=$extra") |
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this@MusicService.isPlaying = false |
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stopSelf() |
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true |
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} |
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prepareAsync() |
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setOnPreparedListener { start() } |
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setOnCompletionListener { stopSelf() } |
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} |
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// startForeground(1, NotificationUtils.createNotification(this, "Playing...")) |
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} |
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private fun pause() { |
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mediaPlayer?.let { |
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if (it.isPlaying) { |
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it.pause() |
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this@MusicService.isPlaying = false |
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updateNotification("已暂停") |
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Log.i(TAG, "暂停播放") |
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} |
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} |
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} |
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private fun resume() { |
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mediaPlayer?.let { |
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if (!it.isPlaying) { |
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it.start() |
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this@MusicService.isPlaying = true |
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updateNotification("继续播放") |
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Log.i(TAG, "继续播放") |
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} |
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} |
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} |
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private fun releaseMediaPlayer() { |
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mediaPlayer?.apply { |
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stop() |
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release() |
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} |
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mediaPlayer = null |
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} |
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private fun updateNotification(contentText: String) { |
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val notification = createNotification(contentText) |
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val manager = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager |
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manager.notify(NOTIFICATION_ID, notification) |
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} |
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private fun createNotification(contentText: String): Notification { |
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val manager = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager |
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) { |
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val channel = NotificationChannel( |
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CHANNEL_ID, |
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"音乐播放服务", |
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NotificationManager.IMPORTANCE_LOW |
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) |
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manager.createNotificationChannel(channel) |
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} |
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val intent = packageManager.getLaunchIntentForPackage(packageName)?.apply { |
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flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TOP |
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} |
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val pendingIntent = intent?.let { |
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PendingIntent.getActivity( |
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this, 0, it, |
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PendingIntent.FLAG_IMMUTABLE or PendingIntent.FLAG_UPDATE_CURRENT |
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) |
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} |
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return NotificationCompat.Builder(this, CHANNEL_ID) |
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.setContentTitle("DeepSound") |
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.setContentText(contentText) |
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.setSmallIcon(android.R.drawable.ic_media_play) |
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.setContentIntent(pendingIntent) |
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.setOngoing(true) |
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.build() |
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} |
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override fun onDestroy() { |
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mediaPlayer?.release() |
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Log.i(TAG, "服务销毁，释放播放器") |
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releaseMediaPlayer() |
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stopForeground(true) |
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isRunning.set(false) |
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super.onDestroy() |
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} |
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override fun onBind(intent: Intent?): IBinder? = null |
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/** |
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* 释放资源 |
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*/ |
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fun release() { |
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try { |
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mediaPlayer?.apply { |
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if (isPlaying) stop() |
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release() |
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} |
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mediaPlayer = null |
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} catch (e: Exception) { |
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// 忽略异常 |
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} |
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} |
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/** |
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* 是否正在播放 |
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*/ |
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fun isPlaying() = mediaPlayer?.isPlaying == true |
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} |
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