Navigator.pushReplacementNamed parameters
import 'package:flutter/material.dart';
void main() => runApp(new MyApp());
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return new MaterialApp(
theme: new ThemeData(
primarySwatch: Colors.blue,
),
home: new MyHomePage(),
routes: <String, WidgetBuilder> {
'/form': (BuildContext context) => new FormPage(), //new
},
);
}
}
class MyHomePage extends StatefulWidget {
@override
_MyHomePageState createState() => new _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
@override
Widget build(BuildContext context) {
return new Scaffold(
floatingActionButton: new FloatingActionButton(
onPressed: () {
Navigator.of(context).pushReplacement( //new
new MaterialPageRoute( //new
settings: const RouteSettings(name: '/form'), //new
builder: (context) => new FormPage(email: '[email protected]', header: {'auth': '1234'}) //new
) //new
); //new
},
child: new Icon(Icons.navigate_next),
),
);
}
}
class FormPage extends StatefulWidget {
FormPage({Key key, this.email, this.header}) : super(key: key);
String email;
Map header;
@override
FormPageState createState() => new FormPageState();
}
class FormPageState extends State<FormPage> {
@override
Widget build(BuildContext context) {
return new Container(
child: new Column(
children: <Widget>[
new Text(widget.email),
new Text(widget.header['auth'])
],
),
);
}
}