播放完畢重置mediaplayer,播放完畢才能播放下一次。播放小音訊建議使用soundpool(音訊大小不超過900k)

public class PlayMusicUtils {
    private static MediaPlayer mediaPlayer;
    public static void playSound(Activity activity, int resId) {
        activity.setVolumeControlStream(AudioManager.STREAM_MUSIC);
        if (mediaPlayer == null) {
            mediaPlayer 
 
= new MediaPlayer();
}
        if (mediaPlayer.isPlaying()) {
            return;
}
        mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
mediaPlayer.setOnCompletionListener(
                new MediaPlayer.OnCompletionListener() {
                    @Override
public void onCompletion(MediaPlayer mediaPlayer) {
                        mediaPlayer.reset();
 
}
                }
        );
AssetFileDescriptor file = activity.getResources().openRawResourceFd(resId);
        try {
            mediaPlayer.setDataSource(file.getFileDescriptor(), file.getStartOffset(), file.getLength());
file.close();
mediaPlayer.setVolume(0.1f, 0.1f);
mediaPlayer.prepare();
} catch 
 
(Exception e) {
            mediaPlayer = null;
e.printStackTrace();
}
        if (mediaPlayer != null) {
            mediaPlayer.start();
}
    }
}