質問編集履歴
2
シンタックスハイライトで再表記
test
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test
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```
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//
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// ViewController.swift
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// Calculator
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//
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import UIKit
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class ViewController: UIViewController {
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//計算結果を表示するラベルを宣言
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var resultLabel = UILabel()
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let xButtonCount = 4 //一行に配置するボタンの数
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let yButtonCount = 4
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//画面の横幅サイズを格納するメンバ変数
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let screenWidth:Double = Double(UIScreen.mainScreen().bounds.size.width)
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//画面の縦
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let screenHeight:Double = Double(UIScreen.mainScreen().bounds.size.height)
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//ボタン間の余白
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let buttonMargin = 10.0
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//計算結果表示
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var resultArea = 0.0
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override func viewDidLoad() {
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super.viewDidLoad()
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//画面全体の縦幅に応じて計算結果表示エリアの縦幅を決定
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switch screenHeight{
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case 480:
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resultArea = 200.0
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case 568:
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resultArea = 250.0
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case 667:
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resultArea = 300.0
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case 736:
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resultArea = 350.0
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default:
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resultArea = 0.0
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}
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//計算結果のラベル
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resultLabel.frame = CGRect(x:10, y:30, width:screenWidth-20, height:resultArea-30)
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let buttonLabels = [
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let buttonLabels = [
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"7","8","9","×",
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for var y=0; y<yButtonCount; y++ {
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for var x=0; x<xButtonCount; x++ {
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//計算機のボタン作成
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var button = UIButton()
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//ボタンの横幅
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var buttonWidth = (screenWidth - (buttonMargin * (Double(xButtonCount)+1)))/Double(xButtonCount)
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//ボタンの縦幅
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var buttonHeight = (screenHeight - resultArea - ((buttonMargin*Double(yButtonCount)+1)))/Double(yButtonCount)
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//ボタンのx座標
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var buttonPositionX = (screenWidth - buttonMargin) / Double(xButtonCount) * Double(x) + buttonMargin
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//ボタンのy座標
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var buttonPositionY = (screenHeight - resultArea - buttonMargin) / Double(yButtonCount) * Double(y) + buttonMargin + resultArea
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//ボタンの配置、サイズ
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button.frame = CGRect(x:buttonPositionX, y:buttonPositionY, width:buttonWidth, height:buttonHeight)
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//背景
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button.backgroundColor = UIColor.greenColor()
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//ボタンのラベルタイトル
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var buttonNumber = y * xButtonCount + x
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//ボタンのラベルタイトルを取り出すインデックス番号
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button.setTitle(buttonLabels[buttonNumber],forState: UIControlState.Normal)
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//ボタン配置
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self.view.addSubview(button)
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for var y=0; y<yButtonCount; y++ {
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for var x=0; x<xButtonCount; x++ {
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//計算機のボタン作成
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var button = UIButton()
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//ボタンの横幅
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var buttonWidth = (screenWidth - (buttonMargin * (Double(xButtonCount)+1)))/Double(xButtonCount)
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//ボタンの縦幅
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var buttonHeight = (screenHeight - resultArea - ((buttonMargin*Double(yButtonCount)+1)))/Double(yButtonCount)
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//ボタンのx座標
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var buttonPositionX = (screenWidth - buttonMargin) / Double(xButtonCount) * Double(x) + buttonMargin
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//ボタンのy座標
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var buttonPositionY = (screenHeight - resultArea - buttonMargin) / Double(yButtonCount) * Double(y) + buttonMargin + resultArea
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//ボタンの配置、サイズ
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button.frame = CGRect(x:buttonPositionX, y:buttonPositionY, width:buttonWidth, height:buttonHeight)
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//背景
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button.backgroundColor = UIColor.greenColor()
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//ボタンのラベルタイトル
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var buttonNumber = y * xButtonCount + x
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//ボタンのラベルタイトルを取り出すインデックス番号
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button.setTitle(buttonLabels[buttonNumber],forState: UIControlState.Normal)
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//ボタンタップ時のアクション
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button.addTarget(self, action: "buttonTapped:", forControlEvents: UIControlEvents.TouchUpInside)
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//ボタン配置
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self.view.addSubview(button)
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}
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}
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//計算結果ラベル設定する
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resultLabel.backgroundColor = UIColor.grayColor()
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resultLabel.font = UIFont(name:"Arial", size: 50)
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resultLabel.textAlignment = NSTextAlignment.Right
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resultLabel.numberOfLines = 4
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resultLabel.text = "0"
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//計算結果ラベルをviewcontrollerクラスのviewに設置
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self.view.addSubview(resultLabel)
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//ボタンタップメソッド
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func buttonTapped(sender:UIButton){
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var tappedButtonTitle:String = sender.titleLabel!.text!
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println("\(tappedButtonTitle)ボタンがタップされました")
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}
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}
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override func didReceiveMemoryWarning() {
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super.didReceiveMemoryWarning()
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// Dispose of any resources that can be recreated.
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}
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}
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```
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//ボタンタップメソッド
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func buttonTapped(sender:UIButton){
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var tappedButtonTitle:String = sender.currentTitle!
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println("\(tappedButtonTitle)ボタンがタップされました")
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}
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誤字修正
test
CHANGED
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File without changes
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test
CHANGED
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@@ -15,6 +15,8 @@
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**[Calculator.ViewController buttonTapped:]: unrecognized selector sent to instance 0x7988fea0**
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buttonTappedメソッドが認識できないと言われてしまっています。
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誤字脱字は確認したので、そちらは問題ないように思われます。認識できないのか、わかりません、、、。
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