RadioButton

[berkeresvan]

import 'package:flutter/material.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 createState() => _MyHomePageState(); }

class _MyHomePageState extends State { int radioDeger = 0;

@override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( backgroundColor: Theme.of(context).colorScheme.inversePrimary, title: Text(widget.title), ), body: Center( child: Column( mainAxisAlignment: MainAxisAlignment.center, children: [ RadioListTile( title: const Text("galatasaray"), value: 1, groupValue: radioDeger, onChanged: (int? veri) { setState(() { radioDeger = veri!; }); // ignore: avoid_print print("galatasaray seçildi"); }, ), RadioListTile( title: const Text("fenerbahce"), value: 2, groupValue: radioDeger, onChanged: (int? veri) { setState(() { radioDeger = veri!; }); // ignore: avoid_print print("fenerbahce seçildi"); }, ), ], ), ), ); } }