android 常用控件总结

//从main.xml布局中获得Button对象

Button button_start = (Button)findViewById(R.id.start);

Button button_stop = (Button)findViewById(R.id.stop);

//设置按钮（Button）监听

button_start.setOnClickListener(start);

button_stop.setOnClickListener(stop);

}

//开始按钮

private OnClickListener start = new OnClickListener(){

public void onClick(View v){

//开启Service

startService(new Intent("com.yarin.Android.MUSIC"));

}

};

//停止按钮

private OnClickListener stop = new OnClickListener(){

public void onClick(View v){

//停止Service

stopService(new Intent("com.yarin.Android.MUSIC"));

}

};

}

public class MusicService extends Service{

//MediaPlayer对象

private MediaPlayer player;

public IBinder onBind(Intent arg0){

return null;

}

public void onStart(Intent intent, int startId){

super.onStart(intent, startId);