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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// ignore_for_file: diagnostic_describe_all_properties
import 'package:flutter/cupertino.dart';
import '../go_router.dart';
/// Checks for CupertinoApp in the widget tree.
bool isCupertinoApp(Element elem) =>
elem.findAncestorWidgetOfExactType<CupertinoApp>() != null;
/// Builds a Cupertino page.
CupertinoPage<void> pageBuilderForCupertinoApp({
required LocalKey key,
required String? name,
required Object? arguments,
required String restorationId,
required Widget child,
}) =>
CupertinoPage<void>(
name: name,
arguments: arguments,
key: key,
restorationId: restorationId,
child: child,
);
/// Default error page implementation for Cupertino.
class GoRouterCupertinoErrorScreen extends StatelessWidget {
/// Provide an exception to this page for it to be displayed.
const GoRouterCupertinoErrorScreen(this.error, {Key? key}) : super(key: key);
/// The exception to be displayed.
final Exception? error;
@override
Widget build(BuildContext context) => CupertinoPageScaffold(
navigationBar:
const CupertinoNavigationBar(middle: Text('Page Not Found')),
child: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Text(error?.toString() ?? 'page not found'),
CupertinoButton(
onPressed: () => context.go('/'),
child: const Text('Home'),
),
],
),
),
);
}