西瓜是肥貓

public MyBroadcastReceiver myReceiver;

Context mContext;

@Override

protected void onCreate(BundlesavedInstanceState){

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

mContext=this;

regBroadcast();

}

//註冊Receiver

void regBroadcast() {

  myReceiver=new MyBroadcastReceiver(); 

    IntentFilter IF= new IntentFilter();

    IF.addAction("DeYuTest");

    registerReceiver(myReceiver,IF); 

SendBroadcast();

}

//SendBroadcast to Receiver

void SendBroadcast(){

Intent it=new Intent();

  it.setAction("DeYuTest");

    mContext.sendBroadcast(it);

}

//創建一個自己的BroadcastReceiver 取名為MyBroadcastReceiver

public class MyBroadcastReceiver extends BroadcastReceiver{

@Override

public void onReceive(Context context,Intent intent){

// TODO Auto-generated method stub

//Toast出這個class的名字

Toast.makeText(mContext,this.getClass().getName()+"被呼叫了",Toast.LENGTH_SHORT).show();

} 

}