main.dart

import 'package:flutter/material.dart';
import 'package:rtf_textfield/rtf_textfield.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});
  final String title;

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

class _MyHomePageState extends State<MyHomePage> {
  final RTFTextFieldController controller = RTFTextFieldController();
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        title: Image.asset(
          '../assets/images/rich_text_field.png',
          height: 50,
        ),
      ),
      body: Padding(
        padding: const EdgeInsets.all(16),
        child: Column(
          children: <Widget>[
            RTFTextField(
              onTapOutside: (event) {
                FocusManager.instance.primaryFocus?.unfocus();
              },
              decoration: const RichInputDecoration(
                border: OutlineInputBorder(
                  borderRadius: BorderRadius.all(Radius.circular(16)),
                ),
                enabledBorder: OutlineInputBorder(
                  borderSide: BorderSide(
                    color: Colors.grey,
                  ),
                  borderRadius: BorderRadius.all(Radius.circular(16)),
                ),
                labelTextSpan: TextSpan(
                  text: 'Enter your name',
                  children: [
                    TextSpan(
                      text: ' *',
                      style: TextStyle(
                        color: Colors.red,
                      ),
                    ),
                  ],
                ),
                hintTextSpan: TextSpan(
                  text: 'Yelaman',
                ),
              ),
              controller: controller,
            ),
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: () {
          controller.toggleBold();
        },
        tooltip: 'Increment',
        child: const Icon(Icons.add),
      ),
    );
  }
}