看起来你需要实现监听器(OnLoadCompleteListener)
。根据文档,SoundPool
异步加载音频文件,我相信这就是你遇到延迟的原因。
在这里找到了一个可行的三个声音的示例here
public class SoundManager {
public static int SOUNDPOOLSND_MENU_BTN = 0;
public static int SOUNDPOOLSND_WIN = 1;
public static int SOUNDPOOLSND_LOOSE = 2;
public static int SOUNDPOOLSND_DRAW = 3;
public static int SOUNDPOOLSND_TICK1 = 4;
public static int SOUNDPOOLSND_TICK2 = 5;
public static int SOUNDPOOLSND_OUT_OF_TIME = 6;
public static int SOUNDPOOLSND_HISCORE = 7;
public static int SOUNDPOOLSND_CORRECT_LETTER = 8;
public static boolean isSoundTurnedOff;
private static SoundManager mSoundManager;
private SoundPool mSoundPool;
private SparseArray <Integer> mSoundPoolMap;
private AudioManager mAudioManager;
public static final int maxSounds = 4;
public static SoundManager getInstance(Context context)
{
if (mSoundManager == null){
mSoundManager = new SoundManager(context);
}
return mSoundManager;
}
public SoundManager(Context mContext)
{
mAudioManager = (AudioManager)mContext.getSystemService(Context.AUDIO_SERVICE);
mSoundPool = new SoundPool(maxSounds, AudioManager.STREAM_MUSIC, 0);
mSoundPool.setOnLoadCompleteListener(new OnLoadCompleteListener() {
public void onLoadComplete(SoundPool soundPool, int sampleId,int status) {
loaded = true;
}
});
mSoundPoolMap = new SparseArray<Integer>();
mSoundPoolMap.put(SOUNDPOOLSND_MENU_BTN, mSoundPool.load(mContext, R.raw.menubutton, 1));
mSoundPoolMap.put(SOUNDPOOLSND_WIN, mSoundPool.load(mContext, R.raw.win, 1));
mSoundPoolMap.put(SOUNDPOOLSND_LOOSE, mSoundPool.load(mContext, R.raw.lose, 1));
mSoundPoolMap.put(SOUNDPOOLSND_TICK1, mSoundPool.load(mContext, R.raw.tick_0, 1));
mSoundPoolMap.put(SOUNDPOOLSND_TICK2, mSoundPool.load(mContext, R.raw.tick_1, 1));
mSoundPoolMap.put(SOUNDPOOLSND_OUT_OF_TIME, mSoundPool.load(mContext, R.raw.out_of_time, 1));
mSoundPoolMap.put(SOUNDPOOLSND_HISCORE, mSoundPool.load(mContext, R.raw.personal_highscore, 1));
mSoundPoolMap.put(SOUNDPOOLSND_CORRECT_LETTER, mSoundPool.load(mContext, R.raw.correct_letter, 1));
int streamVolume = mAudioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
mSoundPool.play(mSoundPoolMap.get(0), streamVolume, streamVolume, 1, 20, 1f);
mSoundPool.play(mSoundPoolMap.get(1), streamVolume, streamVolume, 1, 2, 1f);
mSoundPool.play(mSoundPoolMap.get(2), streamVolume, streamVolume, 1, 0, 1f);
}
public void playSound(int index) {
if (isSoundTurnedOff)
return;
int streamVolume = mAudioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
mSoundPool.play(mSoundPoolMap.get(index), streamVolume, streamVolume, 1, 0, 1f);
}
public static void clear()
{
if (mSoundManager != null){
mSoundManager.mSoundPool = null;
mSoundManager.mAudioManager = null;
mSoundManager.mSoundPoolMap = null;
}
mSoundManager = null;
}
}