Broadcast Receiver
1.create a class extends Brodcast Receiver
2. override onReceive
this method will run after the Receiver receive the brodcast
private class MyBrodcastReceiver extends BroadcastReceiver{
@Override
public void onReceive(Context context, Intent intent) {
//do something
}
}
3 register the Broadcast Receiver
only registered Broadcast Receiver can receiver brodcast,what message ,depend on the intern filter
M1.register in the program
//register the brodcast receiver
MyBrodcastReceiver mybrodcastReceiver=new MyBrodcastReceiver();
IntentFilter intentFilter=new IntentFilter(BRODCAST_ACTION);
getActivity().registerReceiver(mybrodcastReceiver,intentFilter);
M2.register in XML
<receiver android:name=".AddBook$MyBrodcastReceiver">
<intent-filter>
<action android:name="it.jaschke.alexandria.brodcastmessage"/>
</intent-filter>
</receiver>
4.send Brodcast
Intent brodcastIntent=new Intent();
brodcastIntent.setAction(AddBook.BRODCAST_ACTION);
sendBroadcast(brodcastIntent);
the action should be match to the InterFilter.
