部分手机或系统播放系统提示音，会循环播放，设置一个超时自动停止

Utils.java

    public static void playSystemSound(int type) {
        AudioManager am = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE);
        if (am == null) return;
        final int ringerMode = am.getRingerMode();
        switch (ringerMode) {
            case AudioManager.RINGER_MODE_SILENT: //
            {
                //do nothing
            }
            break;
            case AudioManager.RINGER_MODE_VIBRATE: //
            {
                Vibrator vbtor = (Vibrator) mContext.getSystemService(Service.VIBRATOR_SERVICE);
                if (vbtor != null) vbtor.vibrate(new long[]{0, 200, 200, 200, 200, 200}, -1);
            }
            break;
            case AudioManager.RINGER_MODE_NORMAL: 
            {
                Uri uri = RingtoneManager.getDefaultUri(type);
                final Ringtone rt = RingtoneManager.getRingtone(mContext.getApplicationContext(), uri);
                rt.play();
                //timeout
                final Timer timer=new Timer();
                timer.schedule(new TimerTask() {
                    @Override
                    public void run() {
                        if(rt.isPlaying()){
                            rt.stop();
                        }
                    }
                },1500);
            }
            break;
        }
    }