Android开发多媒体应用之SoundPool的使用的代码

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public class MainActivity extends Activity {
private Button button1;
private Button button2;
private Button button3;
private Button button4;
private Button button5;
private SoundPool soundPool;
private Map<Integer, Integer> soundMap;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
button1=(Button)findViewById(R.id.button1);
button2=(Button)findViewById(R.id.button2);
button3=(Button)findViewById(R.id.button3);
button4=(Button)findViewById(R.id.button4);
button5=(Button)findViewById(R.id.button5);
soundPool=new SoundPool(5,AudioManager.STREAM_MUSIC,0);

soundMap=new HashMap<Integer, Integer>();
soundMap.put(1, soundPool.load(MainActivity.this, R.raw.ir_begin, 1));
soundMap.put(2, soundPool.load(MainActivity.this, R.raw.ir_end, 1));
soundMap.put(3, soundPool.load(MainActivity.this, R.raw.ir_inter, 1));
soundMap.put(4, soundPool.load(MainActivity.this, R.raw.tada, 1));
soundMap.put(5, soundPool.load(MainActivity.this, R.raw.zhong, 1));
button1.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View arg0) {
soundPool.play(soundMap.get(1), 1, 1, 0, 0, 1);
}
});
button2.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View arg0) {
soundPool.play(soundMap.get(2), 1, 1, 0, 0, 1);
}
});
button3.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View arg0) {
soundPool.play(soundMap.get(3), 1, 1, 0, 0, 1);
}
});
button4.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View arg0) {
soundPool.play(soundMap.get(4), 1, 1, 0, 0, 1);
}
});
button5.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View arg0) {
soundPool.play(soundMap.get(5), 1, 1, 0, 0, 1);
}
});
}

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
soundPool.play(soundMap.get(5), 1, 1, 0, 0, 1);
return super.onKeyDown(keyCode, event);
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}

}