atil beyin derslerinden kod çalmaya ve yorumlamaya devam ediyoruz.
|
1 |
if let firstNumber = Int(firstText.text!) { |
bu satırda textboxa girilen değer numarasaysa şunu şunu yap diyoruz.
var result değeri de en üste koyduk ki zırt pırt uğraşmayalım almaya.
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 |
// ViewController.swift // SimpleCalculator // // Created by Atil Samancioglu on 10.07.2019. // Copyright © 2019 Atil Samancioglu. All rights reserved. // import UIKit class ViewController: UIViewController { @IBOutlet weak var firstText: UITextField! @IBOutlet weak var secondText: UITextField! @IBOutlet weak var resultLabel: UILabel! var result = 0 override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view. } @IBAction func sumClicked(_ sender: Any) { if let firstNumber = Int(firstText.text!) { if let secondNumber = Int(secondText.text!) { result = firstNumber + secondNumber resultLabel.text = String(result) } } } @IBAction func minusClicked(_ sender: Any) { if let firstNumber = Int(firstText.text!) { if let secondNumber = Int(secondText.text!) { result = firstNumber - secondNumber resultLabel.text = String(result) } } } @IBAction func multiplyClicked(_ sender: Any) { if let firstNumber = Int(firstText.text!) { if let secondNumber = Int(secondText.text!) { result = firstNumber * secondNumber resultLabel.text = String(result) } } } @IBAction func divideClicked(_ sender: Any) { if let firstNumber = Int(firstText.text!) { if let secondNumber = Int(secondText.text!) { result = firstNumber / secondNumber resultLabel.text = String(result) } } } } |