/**

* Content：后台播放音乐达到保活目的

* Actor：韩小呆 ヾ(✿ﾟ▽ﾟ)ノ

* Time: 2018/10/12 10:47

* Update:

* Time:

*/

public class SingASongService extends Service {

private MediaPlayer mMediaPlayer;

private Thread thread;

@Override

public IBinder onBind(Intent intent) {

return null;

}

@Override

public void onCreate() {

super.onCreate();

MyThread myThread = new MyThread();

thread = new Thread(myThread);

mMediaPlayer = MediaPlayer.create(MainApplication.getInstance(), R.raw.no_kill);

mMediaPlayer.setLooping(true);

LogUtils.d("onCreate() 创建播放对象：" + mMediaPlayer.hashCode());

}

@Override

public int onStartCommand(Intent intent, int flags, int startId) {

thread.start();

LogUtils.d("播放时 线程名称：" + thread.getName());

return START_STICKY;

}

//开始、暂停播放

private void startPlaySong() {

if (mMediaPlayer == null) {

mMediaPlayer = MediaPlayer.create(MainApplication.getInstance(), R.raw.no_kill);

LogUtils.d("音乐启动播放,播放对象为： " + mMediaPlayer.hashCode());

mMediaPlayer.start();

} else {

mMediaPlayer.start();

LogUtils.d("音乐启动播放,播放对象为： " + mMediaPlayer.hashCode());

}

try {

Thread.sleep(3000);

} catch (InterruptedException e) {

e.printStackTrace();

}

if (mMediaPlayer != null) {

mMediaPlayer.pause();

LogUtils.d("音乐启动播放,播放对象为： " + mMediaPlayer.hashCode());

int progress = mMediaPlayer.getCurrentPosition();

LogUtils.d("音乐暂停，播放进度：" + progress);

}

}

@Override

public void onDestroy() {

super.onDestroy();

mMediaPlayer.pause();

LogUtils.d("恢复播放 时当前播放器对象：" + mMediaPlayer.hashCode());

stopPlaySong();

LogUtils.d("应用播放服务被杀死，正在重启");

LogUtils.d("目标播放工作线程是否存活：" + thread.isAlive());

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {

startForegroundService(new Intent(getApplicationContext(), SingASongService.class));

} else {

startService(new Intent(getApplicationContext(), SingASongService.class));

}

}

//停止播放销毁对象

private void stopPlaySong() {

if (mMediaPlayer != null) {

mMediaPlayer.stop();

LogUtils.d("音乐停止播放,播放对象为：" + mMediaPlayer.hashCode());

LogUtils.d("音乐播放器是否在循环：" + mMediaPlayer.isLooping());

LogUtils.d("音乐播放器是否还在播放：" + mMediaPlayer.isPlaying());

mMediaPlayer.release();

LogUtils.d("播放对象销毁,播放对象为：" + mMediaPlayer.hashCode());

mMediaPlayer = null;

}

}

class MyThread implements Runnable {

@Override

public void run() {

startPlaySong();

}

}

}