shared_preferences_sayac

[berkeresvan]

import 'package:flutter/material.dart'; import 'package:shared_preferences/shared_preferences.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 sayac = 0; Future sayacKontrol() async { var sp = await SharedPreferences.getInstance(); sayac = sp.getInt("sayac") ?? 0; setState(() { sayac = sayac + 1; }); sp.setInt("sayac", sayac); }

@override void initState() { // TODO: implement initState super.initState(); }

@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: [ Text( "Açılış Sayısı : $sayac", style: TextStyle(fontSize: 50), ) ], ), ), ); } }