| // 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 [InputDecoration.helper]. |
| |
| void main() => runApp(const HelperExampleApp()); |
| |
| class HelperExampleApp extends StatelessWidget { |
| const HelperExampleApp({super.key}); |
| |
| @override |
| Widget build(BuildContext context) { |
| return MaterialApp( |
| theme: ThemeData(useMaterial3: true), |
| home: Scaffold( |
| appBar: AppBar(title: const Text('InputDecoration.helper Sample')), |
| body: const HelperExample(), |
| ), |
| ); |
| } |
| } |
| |
| class HelperExample extends StatelessWidget { |
| const HelperExample({super.key}); |
| |
| @override |
| Widget build(BuildContext context) { |
| return const Center( |
| child: TextField( |
| decoration: InputDecoration( |
| helper: Text.rich( |
| TextSpan( |
| children: <InlineSpan>[ |
| WidgetSpan( |
| child: Text( |
| 'Helper Text ', |
| ), |
| ), |
| WidgetSpan( |
| child: Icon( |
| Icons.help_outline, |
| color: Colors.blue, |
| size: 20.0, |
| ), |
| ), |
| ], |
| ), |
| ), |
| ), |
| ), |
| ); |
| } |
| } |