issue_160724

main.dart

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

final _router = GoRouter(
  routes: [
    GoRoute(
      path: '/',
      pageBuilder: (context, state) => MaterialPage(
        key: state.pageKey,
        child: const HomeScreen(),
      ),
      routes: [
        GoRoute(
          path: 'details',
          pageBuilder: (context, state) => MaterialPage(
            key: state.pageKey,
            child: const DetailsScreen(),
          ),
        ),
      ],
    ),
  ],
);

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

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

  @override
  Widget build(context) => MaterialApp.router(routerConfig: _router);

}

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

  @override
  Widget build(context) {
    print('building HomeScreen');
    return Scaffold(
      appBar: AppBar(title: const Text('Home Screen')),
      body: Center(
        child: ElevatedButton(
          onPressed: () => context.go('/details'),
          child: const Text('Go to the Details screen'),
        ),
      ),
    );
  }
}

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

  @override
  Widget build(context) {
    print('building DetailsScreen');
    return Scaffold(
      appBar: AppBar(title: const Text('Details Screen')),
      body: Center(
        child: ElevatedButton(
          onPressed: () => context.go('/'),
          child: const Text('Go back to the Home screen'),
        ),
      ),
    );
  }
}