flutter/examples/api/lib/material/dialog/alert_dialog.1.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.

import 'package:flutter/material.dart';

/// Flutter code sample for [AlertDialog].

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

class AlertDialogExampleApp extends StatelessWidget {
  const AlertDialogExampleApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData(colorSchemeSeed: const Color(0xff6750a4)),
      home: Scaffold(
        appBar: AppBar(title: const Text('AlertDialog Sample')),
        body: const Center(child: DialogExample()),
      ),
    );
  }
}

class DialogExample extends StatelessWidget {
  const DialogExample({super.key});

  @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'),
    );
  }
}