Navigator.of(context).push( code example
Example 1: flutter push route
// Within the `FirstRoute` widget
onPressed: () {
Navigator.push(
context,
MaterialPageRoute(builder: (context) => SecondRoute()),
);
}
Example 2: flutter unload screen from stack
Navigator.pushAndRemoveUntil(
context,
MaterialPageRoute(builder: (context) => MainPage()),
(Route<dynamic> route) => false,
);