android broadcast receiver code

broadcastReceiver.java

// register receiver
IntentFilter filter = new IntentFilter("ABCD");
registerReceiver(receiver, filter);

// reveicer
BroadcastReceiver receiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            try {
                dialog.dismiss();
            } catch (Exception e) {

            }
        }
    };

//  call receiver
sendBroadcast(new Intent("ABCD"));