// 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. /// Flutter code sample for [FractionallySizedBox]. import 'package:flutter/material.dart'; void main() => runApp(const MyApp()); class MyApp extends StatelessWidget { const MyApp({super.key}); static const String _title = 'Flutter Code Sample'; @override Widget build(BuildContext context) { return MaterialApp( title: _title, home: Scaffold( appBar: AppBar(title: const Text(_title)), body: const MyStatelessWidget(), ), ); } } class MyStatelessWidget extends StatelessWidget { const MyStatelessWidget({super.key}); @override Widget build(BuildContext context) { return SizedBox.expand( child: FractionallySizedBox( widthFactor: 0.5, heightFactor: 0.5, alignment: FractionalOffset.center, child: DecoratedBox( decoration: BoxDecoration( border: Border.all( color: Colors.blue, width: 4, ), ), ), ), ); } }