1// Copyright 2014 The Flutter Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5import 'package:flutter/material.dart';
6
7/// Flutter code sample for [OverflowBox].
8
9void main() => runApp(const OverflowBoxApp());
10
11class OverflowBoxApp extends StatelessWidget {
12 const OverflowBoxApp({super.key});
13
14 @override
15 Widget build(BuildContext context) {
16 return MaterialApp(
17 home: Scaffold(
18 appBar: AppBar(title: const Text('OverflowBox Sample')),
19 body: const Center(child: OverflowBoxExample()),
20 ),
21 );
22 }
23}
24
25class OverflowBoxExample extends StatelessWidget {
26 const OverflowBoxExample({super.key});
27
28 @override
29 Widget build(BuildContext context) {
30 return Column(
31 mainAxisAlignment: MainAxisAlignment.center,
32 children: <Widget>[
33 const Text('Cover Me'),
34 // This parent container has fixed width and
35 // height of 100 pixels.
36 Container(
37 width: 100,
38 height: 100,
39 color: Theme.of(context).colorScheme.secondaryContainer,
40 // This OverflowBox imposes its own constraints of maxWidth
41 // and maxHeight of 200 pixels on its child which allows the
42 // child to overflow the parent container.
43 child: const OverflowBox(
44 maxWidth: 200,
45 maxHeight: 200,
46 // Without the OverflowBox, the child widget would be
47 // constrained to the size of the parent container
48 // and would not overflow the parent container.
49 child: FlutterLogo(size: 200),
50 ),
51 ),
52 ],
53 );
54 }
55}
56