保活（二）-播放无声音乐

服务

import android.app.Service;
import android.content.Intent;
import android.media.MediaPlayer;
import android.os.IBinder;
import android.support.annotation.Nullable;
import android.util.Log;

import com.cpsc.sanya.R;


/**
 * 描述:
 * 

 *
 * @author allens
 * @date 2018/1/24
 */

public class PlayerMusicService extends Service {
    private final static String TAG = "PlayerMusicService";
    private MediaPlayer mMediaPlayer;

    @Nullable
    @Override
    public IBinder onBind(Intent intent) {
        return null;
    }

    @Override
    public void onCreate() {
        super.onCreate();
        Log.d(TAG, TAG + "---->onCreate,启动服务");
        mMediaPlayer = MediaPlayer.create(getApplicationContext(), R.raw.no_notice);
        mMediaPlayer.setLooping(true);
    }

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        new Thread(new Runnable() {
            @Override
            public void run() {
                startPlayMusic();
            }
        }).start();
        return START_STICKY;
    }

    private void startPlayMusic() {
        if (mMediaPlayer != null) {
            Log.d(TAG, "启动后台播放音乐");
            mMediaPlayer.start();
        }
    }

    private void stopPlayMusic() {
        if (mMediaPlayer != null) {
            Log.d(TAG, "关闭后台播放音乐");
            mMediaPlayer.stop();
        }
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        stopPlayMusic();
        Log.d(TAG, TAG + "---->onCreate,停止服务");
        // 重启
        Intent intent = new Intent(getApplicationContext(), PlayerMusicService.class);
        startService(intent);
    }
}

无声音乐下载

https://pan.baidu.com/s/1smPKs5f

清单文件