And as with more things in Flutter, you listen to a Notification using another Widget: NotificationListener. var widget = Scaffold( body: NotificationListener<ScrollNotification>( onNotification: (notification) { //do things with the notification here return true; }, child: Container( child: …, ), ), );
How do I notify widgets in Flutter?
And as with more things in Flutter, you listen to a Notification using another Widget: NotificationListener. var widget = Scaffold( body: NotificationListener<ScrollNotification>( onNotification: (notification) { //do things with the notification here return true; }, child: Container( child: …, ), ), );