App A broadcasts a total mark value of 5 to App B using an intent with an action of "WEEK". App B needs to implement a BroadcastReceiver class to receive the broadcast and display the mark in a Toast notification. It also needs to register the BroadcastReceiver in its MainActivity onCreate method.

1. Android question:
Suppose you have two applications, A and B. App A is responsible for broadcasting a value
representing a mark to App B, as shown below.
Application A
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
public void onSendBroadcastClick(View view){
Intent intent=new Intent();
intent.setAction("WEEK");
intent.putExtra("total_mark",5);
sendBroadcast(intent);
}
}
Application B
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// your code here
}
}
class BroadcastReceiver {
// your code here
}
The class 'BroadcastReceiver' is the broadcast receiver responsible for receiving the broadcast of
App A and showing it in a Toast.

2. Your task is to complete the implementation of App B ( see lines 6 and 11)