Java 检测音乐播放完毕
我有音乐,我可以通过Java 检测音乐播放完毕,java,android,android-audiomanager,android-music-player,Java,Android,Android Audiomanager,Android Music Player,我有音乐,我可以通过 AssetFileDescriptor assetDescriptor = getAssets().openFd(filename); MediaPlayer mediaPlayer = new MediaPlayer(); mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC); mediaPlayer.setDataSource(assetDescriptor.getFileDescriptor(), asse
AssetFileDescriptor assetDescriptor = getAssets().openFd(filename);
MediaPlayer mediaPlayer = new MediaPlayer();
mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
mediaPlayer.setDataSource(assetDescriptor.getFileDescriptor(), assetDescriptor.getStartOffset(), assetDescriptor.getLength());
mediaPlayer.prepareAsync();
mediaPlayer.setVolume(1, 1);
mediaPlayer.start();
如何检测此音乐是否停止播放,以便开始播放下一个音乐
我试着通过
但这似乎不起作用(总是返回true)。是否有其他方法通知我停止播放的音乐,以便我可以启动下一个音乐?
MediaPlayer
有一个名为setOnCompletionListener
的方法,该方法执行以下操作:
注册在播放过程中到达媒体源结尾时调用的回调
有关详细信息:使用
MediaPlayer.onCompletionListener
在曲目结束时收听事件。之后将播放下一个音频文件。一个例子
player.prepare();
player.setOnCompletionListener(new OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer player) {
player.stop();
// next audio file
}
});
player.start();
另外一个建议是,要连续播放多个音频,您不必创建嵌套的onCompletionListener。而是使用下面的代码
int[] myAudio = {R.raw.audio1, R.raw.audio2, R.raw.audio3};
int mTrackFinish = 0;
MediaPlayer mp = MediaPlayer.create(this, myAudio[0]);
mp.setOnCompletionListener(new OnCompletionListener()
{
@Override
public void onCompletion(MediaPlayer mp)
{
mTrackFinish++;
mp.reset();
if(mTrackFinish < myAudio.length)
// play some audio from list
else
mTrackFinish=0;
mp.release();
mp = null; // either set counter to 0 and start again or call end of list
}
});
mp.start();
int[]myAudio={R.raw.audio1,R.raw.audio2,R.raw.audio3};
int mTrackFinish=0;
MediaPlayer mp=MediaPlayer.create(这个,myAudio[0]);
mp.setOnCompletionListener(新的OnCompletionListener()
{
@凌驾
完成时的公共作废(MediaPlayer mp)
{
mTrackFinish++;
mp.reset();
if(mTrackFinish
int[] myAudio = {R.raw.audio1, R.raw.audio2, R.raw.audio3};
int mTrackFinish = 0;
MediaPlayer mp = MediaPlayer.create(this, myAudio[0]);
mp.setOnCompletionListener(new OnCompletionListener()
{
@Override
public void onCompletion(MediaPlayer mp)
{
mTrackFinish++;
mp.reset();
if(mTrackFinish < myAudio.length)
// play some audio from list
else
mTrackFinish=0;
mp.release();
mp = null; // either set counter to 0 and start again or call end of list
}
});
mp.start();