Flutter - Push and Get value between routes

Question

How do I send the green string from the HomePage page to the ContaPage page?

I think it\'s so Navigator.of(context).pushNamed(\'/conta/green\'); but I do no

Answer 1

Passing data from 1st Page to 2nd

In 1st page

// sending "Foo" from 1st page
Navigator.push(context, MaterialPageRoute(builder: (_) => Page2("Foo")));

In 2nd page.

class Page2 extends StatelessWidget {
  final String string;
  Page2(this.string); // receiving "Foo" in 2nd
}

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Passing data back from 2nd Page back to 1st

In 2nd page

// sending "Bar" from 2nd
Navigator.pop(context, "Bar");

In 1st page, it is the same which was used earlier but with little modification.

// receiving "Bar" in 1st
String received = await Navigator.push(context, MaterialPageRoute(builder: (_) => Page2("Foo")));