我尝试使用 MediaPlayer 类播放一次设备铃声(我必须使用 MediaPlayer,因为我在应用程序中将铃声与其他音频源一起使用)所以我尝试以下方法来播放随机铃声,但我无法停止它循环播放,一直播放。是否可以使用 MediaPlayer 只播放一次铃声?
谢谢
try {
RingtoneManager mRing = new RingtoneManager(RingtoneActivity.this);
int mNumberOfRingtones = mRing.getCursor().getCount();
Uri mRingToneUri = mRing.getRingtoneUri((int) (Math.random() * mNumberOfRingtones));
mMediaPlayer = new MediaPlayer();
mMediaPlayer.setDataSource(RingtoneActivity.this, mRingToneUri);
mMediaPlayer.prepare();
mMediaPlayer.setLooping(false);
mMediaPlayer.start();
} catch (Exception ignore) {
}
更新:
我刚刚发布了一个新的 question与此相关,因为我能够在我的案例中找到问题的具体原因。
最佳答案
我找到了使用事件的简单解决方案 - 确认答案,因为它解决了您的问题:)
mediaPlayer.setOnSeekCompleteListener(new MediaPlayer.OnSeekCompleteListener() {
@Override
public void onSeekComplete(MediaPlayer mediaPlayer) {
mediaPlayer.stop();
}
});
http://developer.android.com/reference/android/media/MediaPlayer.html
记住release()。
mediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mediaPlayer) {
mediaPlayer.release();
}
});
您想要使用的完整代码需要将铃声设置为您想要的内容。
AudioManager audioManager = (AudioManager)getSystemService(AUDIO_SERVICE);
int volume = audioManager.getStreamVolume(AudioManager.STREAM_NOTIFICATION);
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(view.getContext());
Uri notificationSoundUri = Uri.parse(prefs.getString("notification_sound", "DEFAULT_SOUND"));
MediaPlayer mediaPlayer = new MediaPlayer();
try {
mediaPlayer.setDataSource(view.getContext(), notificationSoundUri);
} catch (Exception e1) {
e1.printStackTrace();
mediaPlayer.release();
return;
}
mediaPlayer.setAudioStreamType(AudioManager.STREAM_NOTIFICATION);
mediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mediaPlayer) {
mediaPlayer.release();
}
});
try {
mediaPlayer.prepare();
} catch (Exception e1) {
e1.printStackTrace();
mediaPlayer.release();
return;
}
mediaPlayer.setOnSeekCompleteListener(new MediaPlayer.OnSeekCompleteListener() {
@Override
public void onSeekComplete(MediaPlayer mediaPlayer) {
// TODO Auto-generated method stub
mediaPlayer.stop();
mediaPlayer.start();
}
});
mediaPlayer.setVolume(volume, volume);
mediaPlayer.start();
关于android mediaplayer - 播放一次铃声,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/12832634/