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

import 'package:flutter/material.dart';

/// Flutter code sample for [Dialog].

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

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

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

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

  @override
  Widget build(BuildContext context) {
    return Column(
      mainAxisAlignment: MainAxisAlignment.center,
      children: <Widget>[
        TextButton(
          onPressed:
              () => showDialog<String>(
                context: context,
                builder:
                    (BuildContext context) => Dialog(
                      child: Padding(
                        padding: const EdgeInsets.all(8.0),
                        child: Column(
                          mainAxisSize: MainAxisSize.min,
                          mainAxisAlignment: MainAxisAlignment.center,
                          children: <Widget>[
                            const Text('This is a typical dialog.'),
                            const SizedBox(height: 15),
                            TextButton(
                              onPressed: () {
                                Navigator.pop(context);
                              },
                              child: const Text('Close'),
                            ),
                          ],
                        ),
                      ),
                    ),
              ),
          child: const Text('Show Dialog'),
        ),
        const SizedBox(height: 10),
        TextButton(
          onPressed:
              () => showDialog<String>(
                context: context,
                builder:
                    (BuildContext context) => Dialog.fullscreen(
                      child: Column(
                        mainAxisSize: MainAxisSize.min,
                        mainAxisAlignment: MainAxisAlignment.center,
                        children: <Widget>[
                          const Text('This is a fullscreen dialog.'),
                          const SizedBox(height: 15),
                          TextButton(
                            onPressed: () {
                              Navigator.pop(context);
                            },
                            child: const Text('Close'),
                          ),
                        ],
                      ),
                    ),
              ),
          child: const Text('Show Fullscreen Dialog'),
        ),
      ],
    );
  }
}