examples/api/lib/cupertino/route/show_cupertino_dialog.0.dart

// Copyright 2014 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.

// Template: dev/snippets/config/templates/stateless_widget_restoration_cupertino.tmpl
//
// Comment lines marked with "▼▼▼" and "▲▲▲" are used for authoring
// of samples, and may be ignored if you are just exploring the sample.

// Flutter code sample for showCupertinoDialog
//
//***************************************************************************
//* ▼▼▼▼▼▼▼▼ description ▼▼▼▼▼▼▼▼ (do not modify or remove section marker)

// This sample demonstrates how to create a restorable Cupertino dialog. This is
// accomplished by enabling state restoration by specifying
// [CupertinoApp.restorationScopeId] and using [Navigator.restorablePush] to
// push [CupertinoDialogRoute] when the [CupertinoButton] is tapped.
//
// {@macro flutter.widgets.RestorationManager}

//* ▲▲▲▲▲▲▲▲ description ▲▲▲▲▲▲▲▲ (do not modify or remove section marker)
//***************************************************************************

import 'package:flutter/cupertino.dart';

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

/// This is the main application widget.
class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  static const String _title = 'Flutter Code Sample';

  @override
  Widget build(BuildContext context) {
    return const CupertinoApp(
      restorationScopeId: 'app',
      title: _title,
      home: MyStatelessWidget(),
    );
  }
}

/// This is the stateless widget that the main application instantiates.
class MyStatelessWidget extends StatelessWidget {
  const MyStatelessWidget({Key? key}) : super(key: key);

  @override
//********************************************************************
//* ▼▼▼▼▼▼▼▼ code ▼▼▼▼▼▼▼▼ (do not modify or remove section marker)

  Widget build(BuildContext context) {
    return CupertinoPageScaffold(
      navigationBar: const CupertinoNavigationBar(
        middle: Text('Home'),
      ),
      child: Center(
          child: CupertinoButton(
        onPressed: () {
          Navigator.of(context).restorablePush(_dialogBuilder);
        },
        child: const Text('Open Dialog'),
      )),
    );
  }

  static Route<Object?> _dialogBuilder(
      BuildContext context, Object? arguments) {
    return CupertinoDialogRoute<void>(
      context: context,
      builder: (BuildContext context) {
        return const CupertinoAlertDialog(
          title: Text('Title'),
          content: Text('Content'),
          actions: <Widget>[
            CupertinoDialogAction(child: Text('Yes')),
            CupertinoDialogAction(child: Text('No')),
          ],
        );
      },
    );
  }

//* ▲▲▲▲▲▲▲▲ code ▲▲▲▲▲▲▲▲ (do not modify or remove section marker)
//********************************************************************

}