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// 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.
import 'package:flutter/cupertino.dart';
/// Flutter code sample for [CupertinoAlertDialog].
void main() => runApp(const AlertDialogApp());
class AlertDialogApp extends StatelessWidget {
const AlertDialogApp({super.key});
@override
Widget build(BuildContext context) {
return const CupertinoApp(
theme: CupertinoThemeData(brightness: Brightness.light),
home: AlertDialogExample(),
);
}
}
class AlertDialogExample extends StatelessWidget {
const AlertDialogExample({super.key});
// This shows a CupertinoModalPopup which hosts a CupertinoAlertDialog.
void _showAlertDialog(BuildContext context) {
showCupertinoModalPopup<void>(
context: context,
builder: (BuildContext context) => CupertinoAlertDialog(
title: const Text('Alert'),
content: const Text('Proceed with destructive action?'),
actions: <CupertinoDialogAction>[
CupertinoDialogAction(
/// This parameter indicates this action is the default,
/// and turns the action's text to bold text.
isDefaultAction: true,
onPressed: () {
Navigator.pop(context);
},
child: const Text('No'),
),
CupertinoDialogAction(
/// This parameter indicates the action would perform
/// a destructive action such as deletion, and turns
/// the action's text color to red.
isDestructiveAction: true,
onPressed: () {
Navigator.pop(context);
},
child: const Text('Yes'),
),
],
),
);
}
@override
Widget build(BuildContext context) {
return CupertinoPageScaffold(
navigationBar: const CupertinoNavigationBar(
middle: Text('CupertinoAlertDialog Sample'),
),
child: Center(
child: CupertinoButton(
onPressed: () => _showAlertDialog(context),
child: const Text('CupertinoAlertDialog'),
),
),
);
}
}