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import 'dart:math'; import 'package:flutter/cupertino.dart'; import 'package:flutter/material.dart'; import 'package:sayitahmin_uygulamasi/sonucEkrani.dart'; class tahminEkrani extends StatefulWidget { const tahminEkrani({Key? key}) : super(key: key); @override State<tahminEkrani> createState() => _tahminEkraniState(); } class _tahminEkraniState extends State<tahminEkrani> { var tfTahmin = TextEditingController(); late int rasgeleSayi = 0; late int kalanHak = 5; late String ipucu = ""; FocusNode _focusNode = FocusNode(); @override void initState() { super.initState(); rasgeleSayi = Random().nextInt(101); // 0 - 100 Arası Sayı üretir. print("Rasgele Sayımız: $rasgeleSayi"); } @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( backgroundColor: Theme.of(context).colorScheme.inversePrimary, title: Text("Tahim Ekranı"), ), body: Center( child: Column( mainAxisAlignment: MainAxisAlignment.spaceEvenly, children: <Widget>[ Text( "Kalan Hak: $kalanHak", style: TextStyle(color: Colors.lightBlue, fontSize: 30), ), Text( "İpucu: $ipucu", style: TextStyle(color: Colors.black54, fontSize: 20), ), Padding( padding: EdgeInsets.only(left: 25.0, right: 25.0), child: TextField( focusNode: _focusNode, controller: tfTahmin, keyboardType: TextInputType.number, textAlign: TextAlign.center, decoration: InputDecoration( labelText: "Tahmin", border: OutlineInputBorder( borderRadius: BorderRadius.all(Radius.circular(10.0)), ), ), ), ), SizedBox( width: 200, height: 50, child: ElevatedButton( child: Text( "TAHMİN ET", style: TextStyle(color: Colors.white), ), style: ElevatedButton.styleFrom(primary: Colors.purpleAccent), onPressed: () { setState(() { kalanHak = kalanHak - 1; }); late int tahmin = int.parse(tfTahmin.text); if (tahmin == rasgeleSayi) { Navigator.pushReplacement( context, MaterialPageRoute( builder: (context) => sonucEkrani( sonuc: true, ))); return; } if (tahmin > rasgeleSayi) { setState(() { ipucu = "Tahminini Azalt"; }); } if (tahmin < rasgeleSayi) { setState(() { ipucu = "Tahminini Arttır"; }); } if (kalanHak == 0) { Navigator.pushReplacement( context, MaterialPageRoute( builder: (context) => sonucEkrani( sonuc: false, ))); return; } tfTahmin.text = ""; FocusScope.of(context).requestFocus(_focusNode); }, ), ), ], ), ), ); } }