alert_dialog.0.dart 1.42 KB
Newer Older
1 2 3 4 5 6
// 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/material.dart';

7 8 9
/// Flutter code sample for [AlertDialog].

void main() => runApp(const AlertDialogExampleApp());
10

11 12
class AlertDialogExampleApp extends StatelessWidget {
  const AlertDialogExampleApp({super.key});
13 14 15 16 17 18 19 20 21 22 23 24 25 26 27

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(title: const Text('AlertDialog Sample')),
        body: const Center(
          child: DialogExample(),
        ),
      ),
    );
  }
}

class DialogExample extends StatelessWidget {
28
  const DialogExample({super.key});
29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53

  @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'),
    );
  }
}