How To Create Row Widget Radio Button Using Flutter App

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  @override
  String radioButtonItem = 'ONE';
  int id = 1;

  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Colors.indigo,
        title: Text("Row Widget Radio Button"),
      ),
      body:  Padding(
        padding: const EdgeInsets.all(20.0),
        child: Row(
          mainAxisAlignment: MainAxisAlignment.spaceBetween,
          children: [
            Text('Yes',
                style: new TextStyle(
                    fontSize: 15.0,
                    color: Colors.black45
                )
            ),

            Radio(
              value: 1,
              groupValue: id,
              onChanged: (val) {
                setState(() {
                  radioButtonItem = 'ONE';
                  id = 1;
                });
              },
            ),

            Text('No',
                style: new TextStyle(
                    fontSize: 15.0,
                    color: Colors.black45
                )),
            Radio(
              value: 2,
              groupValue: id,
              onChanged: (val) {
                setState(() {
                  radioButtonItem = 'TWO';
                  id = 2;
                });
              },
            ),
          ],
        ),
      ),
    );
  }
}