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'),
        ),
      ],
    );
  }
}