android之使用SoundPool播放音频

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SoundPool可以播一些短的反应速度要求高的声音，资源占用少，反应延迟小，还支持自行设置声音品质，音量，播放比率等，在游戏较为常见。

SoundPool简单实现

package com.leigo.app;import android.app.Activity;import android.content.Context;import android.media.AudioManager;import android.media.SoundPool;import android.os.Bundle;/** * Created by Administrator on 2014/9/7. */public class TestActivity extends Activity implements SoundPool.OnLoadCompleteListener {    private SoundPool mSoundPool;    private int mSoundId;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_test);        mSoundPool = new SoundPool(1, AudioManager.STREAM_MUSIC, 0);        mSoundId = mSoundPool.load(this, R.raw.phonering, 0);        mSoundPool.setOnLoadCompleteListener(this);    }    @Override    public void onLoadComplete(SoundPool soundPool, int sampleId, int status) {        AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);        int streamVolume = audioManager.getStreamVolume(AudioManager.STREAM_MUSIC);        soundPool.play(mSoundId, streamVolume, streamVolume, 0, 0, 1.0f);    }    @Override    protected void onDestroy() {        super.onDestroy();        mSoundPool.release();        mSoundPool = null;    }}

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