Show alert dialog on app main screen load automatically in flutter

Question

I want to show alert dialog based on a condition. Not based on user interaction such as button press event.

If a flag is set in app state data alert dialog is shown

Answer 1

Simply override initState and call your _showDialog method inside Timer.run()

@override
void initState() {
  super.initState();
  Timer.run(() => _showDialog());
}