public class MyActivity extends Activity {      /** Called when the activity is first created. */      SoundPool sp;                           //得到一个声音池引用      HashMap
     
       spMap;           //得到一个map的引用      Button b1;                              //声音播放控制按钮      Button b1Pause;                             //声音暂停控制按钮      Button b2;                              //声音播放控制按钮      Button b2Pause;                             //声音暂停控制按钮      @Override      public void onCreate(Bundle savedInstanceState) {          super.onCreate(savedInstanceState);          setContentView(R.layout.main);          initSoundPool();                        //初始化声音池          b1=(Button)findViewById(R.id.Button01);//声音播放控制按钮实例化          b2=(Button)findViewById(R.id.Button02);//声音播放控制按钮实例化          b1Pause=(Button)findViewById(R.id.Button1Pause);          b2Pause=(Button)findViewById(R.id.Button2Pause);          b1.setOnClickListener(new View.OnClickListener() {//给按钮注册Click事件监听              @Override              public void onClick(View v) {                  playSound(1,1);     //播放第一首音效，循环一遍                  Toast.makeText(MyActivity.this, "播放音效1", Toast.LENGTH_SHORT).show();          }});          b1Pause.setOnClickListener(new View.OnClickListener() {              @Override              public void onClick(View v) {                  sp.pause(spMap.get(1));                  Toast.makeText(MyActivity.this, "暂停音效1", Toast.LENGTH_SHORT).show();          }});          b2.setOnClickListener(new View.OnClickListener() {              @Override              public void onClick(View v) {                  playSound(2,1);     //播放第二首音效，循环一遍              Toast.makeText(MyActivity.this, "播放音效2", Toast.LENGTH_SHORT).show();          }});          b2Pause.setOnClickListener(new View.OnClickListener() {              @Override              public void onClick(View v) {                  sp.pause(spMap.get(2));                  Toast.makeText(MyActivity.this, "暂停音效2", Toast.LENGTH_SHORT).show();          }});      }      public void initSoundPool(){            //初始化声音池          sp=new SoundPool(                  5,              //maxStreams参数，该参数为设置同时能够播放多少音效                  AudioManager.STREAM_MUSIC,  //streamType参数，该参数设置音频类型，在游戏中通常设置为：STREAM_MUSIC                  0               //srcQuality参数，该参数设置音频文件的质量，目前还没有效果，设置为0为默认值。          );          spMap=new HashMap
      
       ();          spMap.put(1, sp.load(this, R.raw.attack02, 1));//加载音频文件，并将其放入map中！          spMap.put(2, sp.load(this, R.raw.attack14, 1));      }      public void playSound(int sound,int number){    //播放声音,参数sound是播放音效的id，参数number是播放音效的次数          AudioManager am=(AudioManager)this.getSystemService(this.AUDIO_SERVICE);//实例化AudioManager对象          float audioMaxVolumn=am.getStreamMaxVolume(AudioManager.STREAM_MUSIC);  //返回当前AudioManager对象的最大音量值          float audioCurrentVolumn=am.getStreamVolume(AudioManager.STREAM_MUSIC);//返回当前AudioManager对象的音量值          float volumnRatio=audioCurrentVolumn/audioMaxVolumn;    //左右声道音量；          sp.play(                  spMap.get(sound),                   //播放的音乐id                  volumnRatio,                        //左声道音量                  volumnRatio,                        //右声道音量                  1,                                  //优先级，0为最低                  number,                             //循环次数，0不循环，-1永远循环                  1                                   //回放速度 ，该值在0.5-2.0之间，1为正常速度          );      }  }