examples/api/lib/material/input_decorator/input_decoration.helper.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 [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,
                  ),
                ),
              ],
            ),
          ),
        ),
      ),
    );
  }
}