Fire Event:

Intent intent = new Intent(YOUR_EVENT_NAME);
LocalBroadcastManager.getInstance(context).sendBroadcast(intent);

Receive Event:

LocalBroadcastManager.getInstance(context).registerReceiver(receiverName,
new IntentFilter(YOUR_EVENT_NAME));

private BroadcastReceiver receiverName = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
          
        }
};