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2025-03-03 08a196e60ed714263d5283f3c0579bb2dcf56e02

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package com.sinata.xqmuse
 
import android.app.NotificationChannel
import android.app.NotificationManager
import android.app.Service
import android.content.Intent
import android.media.AudioManager
import android.media.MediaPlayer
import android.os.Build
import android.os.IBinder
import android.os.PowerManager
import androidx.core.app.NotificationCompat
 
class ThinkAudioService:Service() {
    private var mediaPlayer: MediaPlayer? = null
    private var wakeLock: PowerManager.WakeLock? = null
 
    override fun onCreate() {
        super.onCreate()
        // 初始化 MediaPlayer
//        mediaPlayer = MediaPlayer.create(this, R.raw.audio_sample)
        mediaPlayer!!.isLooping = true
 
        // 初始化 WakeLock
        val powerManager = getSystemService(POWER_SERVICE) as PowerManager
        wakeLock = powerManager.newWakeLock(
            PowerManager.PARTIAL_WAKE_LOCK,
            "AudioService::WakeLock"
        )
    }
 
    private val focusChangeListener =
        AudioManager.OnAudioFocusChangeListener { focusChange ->
            if (focusChange == AudioManager.AUDIOFOCUS_LOSS) {
                mediaPlayer!!.pause() // 焦点丢失时暂停播放
            }
        }
 
    private fun createNotificationChannel() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            val channel = NotificationChannel(
                "audio_channel",
                "音频播放",
                NotificationManager.IMPORTANCE_LOW
            )
            getSystemService(NotificationManager::class.java).createNotificationChannel(channel)
        }
    }
 
    override fun onBind(intent: Intent?): IBinder? {
        return null
    }
 
    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
        // 创建通知渠道（Android 8.0+ 必须）
        createNotificationChannel()
 
        // 启动前台服务
        val notification = NotificationCompat.Builder(this, "audio_channel")
            .setContentTitle("音频播放中")
            .setSmallIcon(R.mipmap.ic_launcher)
            .build()
        startForeground(1, notification)
 
        // 请求音频焦点
        val audioManager = getSystemService(AUDIO_SERVICE) as AudioManager
        val result = audioManager.requestAudioFocus(
            focusChangeListener,
            AudioManager.STREAM_MUSIC,
            AudioManager.AUDIOFOCUS_GAIN
        )
        if (result == AudioManager.AUDIOFOCUS_REQUEST_GRANTED) {
            mediaPlayer?.start()
            wakeLock?.acquire(30 * 60 * 1000L) // 申请 WakeLock
        }
        return START_STICKY
    }
 
    override fun onDestroy() {
        if (mediaPlayer != null) {
            mediaPlayer!!.release()
            mediaPlayer = null
        }
        if (wakeLock != null && wakeLock!!.isHeld) {
            wakeLock!!.release()
        }
        super.onDestroy()
    }
}