RichTextExample

main.dart

// Copyright (c) 2019, the Dart project authors.  Please see the AUTHORS file
// for details. 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';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  final String title;

  const MyHomePage({
    Key? key,
    required this.title,
  }) : super(key: key);

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;

  void _incrementCounter() {
    setState(() {
      _counter++;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            RichTextWidgetExample(),
            Text(
              '$_counter',
              style: Theme.of(context).textTheme.headlineMedium,
            ),
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: _incrementCounter,
        tooltip: 'Increment',
        child: const Icon(Icons.add),
      ),
    );
  }
}

class RichTextWidgetExample extends StatelessWidget {
  @override 
  Widget build(BuildContext context) {
    return RichText(
                  text: const TextSpan(
                    children: <InlineSpan>[
                      WidgetSpan(
                        alignment: PlaceholderAlignment.middle,
                        child: Icon(Icons.videocam, size: 24),
                      ),
                      TextSpan(
                        text: 'You have ',
                        style:  TextStyle(fontWeight: FontWeight.normal, color: Colors.green),
                      ),
                      TextSpan(
                        text: ' pushed ',
                        style:  TextStyle(fontWeight: FontWeight.bold, color: Colors.red), 
                     ),
                      TextSpan(
                        text: ' the Button ',
                        style:  TextStyle(fontWeight: FontWeight.normal, color: Colors.red, decoration: TextDecoration.underline),
                       ),
                      WidgetSpan(
                        alignment: PlaceholderAlignment.middle,
                        child: Icon(Icons.bubble_chart_outlined, size: 24),
                      ),
                    ],
                  ),
                );
  }
}