MediaPlayer类型中的方法create（Context，int）的错误不适用于参数（AlarmReceiver，int）

Question

我需要解决方案：

public class AlarmReceiver extends BroadcastReceiver {

@Override
public void onReceive(Context context, Intent intent) {
    Toast.makeText(context, "Time is up!!!!.", Toast.LENGTH_LONG).show();
    // Vibrate the mobile phone
    Vibrator vibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);
    vibrator.vibrate(2000);
    MediaPlayer mp = MediaPlayer.create(this, R.raw.abc1);
    mp.start();
 }
}

Answer 1

BroadcastReceiver不是Context的子类。所以改变这个

MediaPlayer mp = MediaPlayer.create(this, R.raw.abc1);

到

MediaPlayer mp = MediaPlayer.create(context, R.raw.abc1);

Answer 2

在'onReceive'方法中this引用AlarmReceiver，而不是活动上下文。所以改为：

MediaPlayer mp = MediaPlayer.create(context, R.raw.abc1);