前言
对于Android播放一些简短音效，例如提示音，或者铃声，相对于使用MediaPlayer，SoundPool可以节省更多资源，并且可以同时播放多个音效，而且可以针对不同音效设置不同播放品质
实现
SoundPool的具体作用，就不再阐述，直接贴代码
private SoundPool.Builder spBuilder;
private SoundPool soundPool;
private Integer[] fmSound = FmManager.getRawAudios();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
if (null == spBuilder) {
spBuilder = new SoundPool.Builder();
AudioAttributes.Builder builder = new AudioAttributes.Builder();
builder.setLegacyStreamType(AudioManager.STREAM_MUSIC);
spBuilder.setAudioAttributes(builder.build());
spBuilder.setMaxStreams(10);
}
if (null == soundPool) {
soundPool = spBuilder.build();
}
} else {
if (null == soundPool) {
soundPool = new SoundPool(10, AudioManager.STREAM_MUSIC, 10); //最多播放10个音效，格式为Steam_music，音质为10
}
}
soundPool.setOnLoadCompleteListener(this);
if (null == fmArray) {
fmArray = new SparseIntArray();
}
if (null == streamArray) {
streamArray = new SparseIntArray();
}
for (int i = 0; i < fmSound.length; i++) {
fmArray.put(i + 1, soundPool.load(this, fmSound[i], 1)); //将需要播放的资源添加到SoundPool中，并保存返回的StreamID，通过StreamID可以停止某个音效
}
private void playFmByPosition(int resultId) {
if (null == soundPool || resultId < 0 || fmArray == null || fmArray.size() < 0 || streamArray == null)
return;
LogUtils.e(resultId + "------------" + fmArray.size());
if (resultId < fmArray.size()) {
if (!FmPlaying.isPlay(resultId)) {
int fmPlayId = soundPool.play(fmArray.get(resultId + 1), 1, 1, 0, -1, 1);
streamArray.put(resultId, fmPlayId);
FmPlaying.setPlay(resultId, true);
} else {
soundPool.stop(streamArray.get(resultId));
streamArray.removeAt(resultId);
FmPlaying.setPlay(resultId, false);
}
}
}
static class FmPlaying {
private static SparseBooleanArray playArray = new SparseBooleanArray();
public static boolean isPlay(int position) {
return playArray.get(position, false);
}
public static void setPlay(int position, boolean play) {
playArray.put(position, play);
}
}
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。
