yubioath-flutter/lib/error_page.dart

import 'package:flutter/material.dart';

class ErrorPage extends StatelessWidget {
  final String error;
  const ErrorPage({required this.error, Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Application error'),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Text(
              error,
              style: Theme.of(context).textTheme.headline4,
            ),
          ],
        ),
      ),
    );
  }
}