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ModalRoute.of(context) inside init function flutter

Lokesh003 answered on February 11, 2022 Popularity 3/10 Helpfulness 1/10

answer ModalRoute.of(context) inside init function flutter

ModalRoute.of(context) inside init function flutter

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1. use MaterialApp.onGenerateRoute property like this:

onGenerateRoute: (RouteSettings settings) {
  print('build route for ${settings.name}');
  var routes = <String, WidgetBuilder>{
    "hello": (ctx) => Hello(settings.arguments),
    "other": (ctx) => SomeWidget(),
  };
  WidgetBuilder builder = routes[settings.name];
  return MaterialPageRoute(builder: (ctx) => builder(ctx));
},

2. now you can simply use NavigatorState.pushNamed:
Navigator.of(context).pushNamed("hello", arguments: "world");

3. here you have some test Hello widget:

class Hello extends StatelessWidget {
  final String greet;

  Hello(this.greet);

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(),
      body: Center(
        child: Text(
          'hello $greet',
          textScaleFactor: 5.0,
        ),
      ),
    );
  }
}

Popularity 3/10 Helpfulness 1/10 Language whatever

Source: Grepper

Tags: flutter function init whatever

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Contributed on Feb 11 2022

Lokesh003

0 Answers Avg Quality 2/10

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