import com.badlogic.gdx.audio.Music.OnCompletionListener; //导入依赖的package包/类
public void run() {
	if (challengeAudio != null && challengeAudio.isPlaying()) {
		challengeAudio.setOnCompletionListener(new OnCompletionListener() {
			@Override
			public void onCompletion(Music music) {
				music.setOnCompletionListener(null);
				stage.addAction(actionLoadNextChallengeQuick());
			}
		});
		return;
	}
	// 5-minute check
	if (totalElapsed > maxTime_secs) {
		log("=== SESSION TIME UP!");
		pausedStage.addAction(actionShowCompletedDialog());
		userPause();
		return;
	}
	loadNextChallenge();
}
 

import com.badlogic.gdx.audio.Music.OnCompletionListener; //导入依赖的package包/类
public RandomMusicPlaylist(float volume, AssetsHandler assetsHndlr){
	_assetsHndlr = assetsHndlr;
	_musics = new ArrayList<Music>();
	_volume = volume;
	for(String name : _GAME_MUSIC_NAMES)
		_musics.add((Music)_assetsHndlr.get(name));
	
	_musicListener = new OnCompletionListener() {
		@Override
		public void onCompletion(Music music) {
			if(music.isPlaying())
				music.stop();
		
			PlayRandomMusic();	
		}
	};
}
 

import com.badlogic.gdx.audio.Music.OnCompletionListener; //导入依赖的package包/类
/**
 * Play the specified track.
 *
 * @param track
 */
public void play(MusicObject track, float localVolume, OnCompletionListener onCompletion) {
    if (currentTrack != track) {
        if (currentTrack != null) {
            currentTrack.getTrack().stop();
        }

        currentTrack = track;
        currentTrack.getTrack().setVolume(localVolume);
        lastPlayedTrack = currentTrack;
        currentTrack.getTrack().play();

        if (onCompletion != null) {
            currentTrack.getTrack().setOnCompletionListener(onCompletion);
        }
    }

}
 

import com.badlogic.gdx.audio.Music.OnCompletionListener; //导入依赖的package包/类
public void play() {
    if (randomizedPlaylist.isEmpty()) {
        do {
            reshuffle();
        } while (randomizedPlaylist.size() > 1 && randomizedPlaylist.get(0).equals(lastPlayedTrack));
    }

    lastPlayedTrack = randomizedPlaylist.get(0);
    randomizedPlaylist.remove(lastPlayedTrack);

    OnCompletionListener onCompletion = (music) -> {
        music.stop();
        play();
    };

    Music.instance().playOnce(lastPlayedTrack, onCompletion);
}
 

import com.badlogic.gdx.audio.Music.OnCompletionListener; //导入依赖的package包/类
private void playIndex(int i) {
    FileHandle f = musicFiles.get(i);

    if (currentMusic != null) {
        if (currentMusic.isPlaying())
            currentMusic.stop();
        currentMusic.dispose();
    }
    try {
        currentMusic = Gdx.audio.newMusic(f);
        currentMusic.setVolume(volume);
        currentMusic.setOnCompletionListener(new OnCompletionListener() {
            @Override
            public void onCompletion(Music music) {
                playNextMusic();
            }
        });
        currentMusic.play();
        Logger.info(I18n.bundle.format("gui.music.playing", musicFiles.get(i).name()));
    } catch (Exception e) {
        Logger.error(e);
    }
}
 

import com.badlogic.gdx.audio.Music.OnCompletionListener; //导入依赖的package包/类
public void playOnce(String trackName, OnCompletionListener onCompletion) {
    playOnce(trackName, volume, onCompletion);
}
 

import com.badlogic.gdx.audio.Music.OnCompletionListener; //导入依赖的package包/类
@Override
public void setOnCompletionListener (OnCompletionListener listener) {
	onCompletionListener = listener;
}
 

import com.badlogic.gdx.audio.Music.OnCompletionListener; //导入依赖的package包/类
@Override
public void retrieveAssets() {
	if (voice == null && fileName != null) {
		
		if(!EngineAssetManager.getInstance().isLoaded(EngineAssetManager.VOICE_DIR + fileName)) {
			loadAssets();
			
			try {
				EngineAssetManager.getInstance().finishLoading();
			} catch (GdxRuntimeException e) {
				EngineLogger.error(e.getMessage());
				voice = null;
				fileName = null;
				textManager.next();
				return;
			}
		}
		
		EngineLogger.debug("RETRIEVING VOICE: " + fileName);
		
		voice = EngineAssetManager.getInstance().get(EngineAssetManager.VOICE_DIR + fileName, Music.class);
		
		voice.setOnCompletionListener(new OnCompletionListener() {
			@Override
			public void onCompletion(Music music) {
				if(textManager.getCurrentText() != null) 
					textManager.getCurrentText().setAutoTime();
			}
		});
		
		if(voice != null)
			voice.setVolume(volume);

		if (isPlayingSer) {
			voice.play();
			
			if (voice != null) {
				voice.setPosition(voicePosSer);
			}

			isPlayingSer = false;
			voicePosSer = 0f;
		}
	}
}
 

import com.badlogic.gdx.audio.Music.OnCompletionListener; //导入依赖的package包/类
public void setOnCompletionListener (OnCompletionListener listener) {
	music.setOnCompletionListener(listener);
}