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main.dart

import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(title: 'MyApp', theme: ThemeData.light(), routes: {
      HomePage.routeName(): (context) => const HomePage(),
      SecondPage.routeName(): (context) => const SecondPage(),
    });
  }
}

class HomePage extends StatelessWidget {
  static String routeName() => '/';

  const HomePage({super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          crossAxisAlignment: CrossAxisAlignment.center,
          children: [
            const Text('HomePage'),
            const CurrentRouteText(),
            ElevatedButton(
              child: const Text('Next'),
              onPressed: () =>
                  Navigator.of(context).pushNamed(SecondPage.routeName()),
            ),
          ],
        ),
      ),
    );
  }
}

class SecondPage extends StatelessWidget {
  static String routeName() => '/second';

  const SecondPage({super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          crossAxisAlignment: CrossAxisAlignment.center,
          children: const [
            Text('SecondPage'),
            CurrentRouteText(),
          ],
        ),
      ),
    );
  }
}

class CurrentRouteText extends StatelessWidget {
  const CurrentRouteText({super.key});

  @override
  Widget build(BuildContext context) {
    String path = ModalRoute.of(context)!.settings.name ?? '';
    return Text('Current: $path');
  }
}