android--code-播放音乐

public void playMusic() {

    try {

      String path = "/sdcard/111.mp3";
      Utils.d(TAG, "path: " + path);
      if (!new File(path).exists()) {
        Utils.e(TAG, "音频文件未找到！！！");
        return;
      }

      MediaPlayer mediaPlayer = new MediaPlayer();
      mediaPlayer.setDataSource(path);
      mediaPlayer.setOnPreparedListener(new OnPreparedListener() {

        @Override
        public void onPrepared(MediaPlayer mp) {
          mp.seekTo(0);
          mp.start();
        }
      });
      mediaPlayer.setOnCompletionListener(new OnCompletionListener() {

        @Override
        public void onCompletion(MediaPlayer mp) {
          Utils.d(TAG, "onCompletion");
          mp.release();
        }
      });

      mediaPlayer.prepare();

    } catch (Exception e) {
      e.printStackTrace();
    }

  }