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How to Use CupertinoPageRoute and Named Routes In Flutter

How to Use CupertinoPageRoute and Named Routes In Flutter?

Earlier, we have gone through CupertinoPageScaffold Widget Which is used to provides you the structure to your iOS application page layout, targeting your iOS design. So in this article, we will discuss how to use CupertinoPageRoute and Named Routes in Flutter.

Are you as excited as us to explore the same? So Let’s start.

How to Use CupertinoPageRoute and Named Routes In Flutter?

Use onGenerate of MaterialApp / CupertinoApp to use custom routes. For example CupertinoPageRoute. So If you are already using the Cupertino-Style consider using CupertinoApp, which automatically uses the CupertinoPageRoute.

  • Using MaterialApp

If you want to keep the MaterialApp as your root widget. So you’ll have to replace the routes attribute of your MaterialApp with an onGenerate implementation.

Original:

routes: {
  '/': (_) => HomePage(),
  'deeper': (_) => DeeperPage(),
}

Changed with onGenerate:

onGenerateRoute: (RouteSettings settings) {
  switch (settings.name) {
    case '/':
      return CupertinoPageRoute(
          builder: (_) => HomePage(), settings: settings);
    case 'deeper':
      return CupertinoPageRoute(
          builder: (_) => DeeperPage(), settings: settings);
  }
}

Now onGenerate handles the routing manually. So it uses CupertinoPageRoute for each route. This replaces the complete routes: {…} structure.

Consider a code snippet like the below:

import 'package:flutter/material.dart';
import 'package:flutter/cupertino.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      onGenerateRoute: (RouteSettings settings) {
        switch (settings.name) {
          case '/':
            return CupertinoPageRoute(
                builder: (_) => HomePage(), settings: settings);
          case 'deeper':
            return CupertinoPageRoute(
                builder: (_) => DeeperPage(), settings: settings);
        }
      },
    );
  }
}

class HomePage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Material!'),
      ),
      body: Center(
        child: RaisedButton(
          child: Text('Take me deeper!'),
          onPressed: () => Navigator.pushNamed(context, 'deeper'),
        ),
      ),
    );
  }
}

class DeeperPage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Material!'),
      ),
      body: Column(
        crossAxisAlignment: CrossAxisAlignment.center,
        mainAxisAlignment: MainAxisAlignment.spaceAround,
        children: [
          RaisedButton(
            child: Text('Home :)'),
            onPressed: () =>
                Navigator.popUntil(context, ModalRoute.withName('/')),
          ),
          RaisedButton(
            child: Text('Deeper!'),
            onPressed: () => Navigator.pushNamed(context, 'deeper'),
          ),
        ],
      ),
    );
  }
}

So we will get output like the below:

CupertinoPageRoute flutter
CupertinoPageRoute flutter
  • Cupertino Style 

You can use the CupertinoApp widget instead of the MaterialApp Widget. So then the default chosen navigation will always use the CupertinoPageRoute.

We will get output like the below:

CupertinoPageRoute flutter
CupertinoPageRoute flutter

Conclusion:

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So in this article, we got to learn how to use CupertinoPageRoute and Named Routes in Flutter.

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