return to previous page flutter code example

Example 1: flutter push route

// Within the `FirstRoute` widget
onPressed: () {
  Navigator.push(
    context,
    MaterialPageRoute(builder: (context) => SecondRoute()),
  );
}

Example 2: flutter how to get call back from current page to previous page

Future _goToPage2() async {
  await Navigator.push(
    context,
    MaterialPageRoute(
      builder: (context) => Page2(),
    ),
  );
  print("Page2 is poped");
}