Could not find a generator for route

Question

I´m newbie to flutter and reveice one exception about route and paginator in Flutter.

EXCEPTION CAUGHT BY GESTURE
The following assertion was thrown while ha         


        

Answer 1

You have instantiated two MaterialApp widget. You need to remove the one in MyApp class.

For push

Navigator.of(context).pushNamed('/screen1')

For Pop: "popAndPushNamed"

Navigator.of(context).popAndPushNamed('/screen4');