alert_dialog.1.dart 1.46 KB
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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.

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// Flutter code sample for [AlertDialog].
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import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
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  const MyApp({super.key});
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  @override
  Widget build(BuildContext context) {
    return MaterialApp(
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      theme: ThemeData(colorSchemeSeed: const Color(0xff6750a4), useMaterial3: true),
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      home: Scaffold(
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        appBar: AppBar(title: const Text('AlertDialog Sample')),
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        body: const Center(
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          child: DialogExample(),
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        ),
      ),
    );
  }
}

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class DialogExample extends StatelessWidget {
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  const DialogExample({super.key});
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  @override
  Widget build(BuildContext context) {
    return TextButton(
      onPressed: () => showDialog<String>(
        context: context,
        builder: (BuildContext context) => AlertDialog(
          title: const Text('AlertDialog Title'),
          content: const Text('AlertDialog description'),
          actions: <Widget>[
            TextButton(
              onPressed: () => Navigator.pop(context, 'Cancel'),
              child: const Text('Cancel'),
            ),
            TextButton(
              onPressed: () => Navigator.pop(context, 'OK'),
              child: const Text('OK'),
            ),
          ],
        ),
      ),
      child: const Text('Show Dialog'),
    );
  }
}