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

void main() => runApp(const MaterialApp(home: MyHomePage()));

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key});

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    final accessibleNavigation = MediaQuery.of(context).accessibleNavigation;
    return Scaffold(
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            ElevatedButton(
              onPressed: () {
                SemanticsBinding.instance.ensureSemantics();
              },
              child: const Text('Enable a11y'),
            ),
            const SizedBox(height: 24),
            ElevatedButton(
              onPressed: () {
                ScaffoldMessenger.of(context).showSnackBar(
                  SnackBar(
                    content: const Text('Should stay visible'),
                    action: SnackBarAction(label: 'Action', onPressed: () {}),
                  ),
                );
              },
              child: const Text('Show snackbar'),
            ),
            const SizedBox(height: 24),
            Text('accessibleNavigation: $accessibleNavigation'),
          ],
        ),
      ),
    );
  }
}