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【課題】Part6 スライダーを指定された位置に移動させるゲームアプリ
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import UIKit | |
class ViewController: UIViewController { | |
@IBOutlet weak var targetCountLabel: UILabel! | |
@IBOutlet weak var answerCountSlider: UISlider! | |
override func viewDidLoad() { | |
super.viewDidLoad() | |
// 1〜100までのランダム値を取得 | |
let targetCount = arc4random_uniform(100) + 1 | |
self.targetCountLabel.text = "\(targetCount)" | |
// スライダー値初期化 | |
self.answerCountSlider.value = 50.0 | |
} | |
@IBAction func judge(sender: AnyObject) { | |
let answerCount = Int(self.answerCountSlider.value) | |
let targetCount = (self.targetCountLabel.text! as NSString).integerValue | |
// アラート用のメッセージを設定 | |
var message = answerCount == targetCount ? "あたり!" : "はずれ!" | |
message += "\r\nあなたの値: \(answerCount)" | |
// アラート表示 | |
self.viewAlert(message) | |
} | |
// 正誤判定のアラートを表示させるメソッド | |
func viewAlert(message: String) { | |
// アラートを作成 | |
var alertController = UIAlertController(title: "結果", message: message, preferredStyle: .Alert) | |
// 再挑戦ボタンを追加 | |
alertController.addAction( | |
UIAlertAction(title: "再挑戦", style: .Default, handler: {action in self.viewDidLoad()}) | |
) | |
// アラートを表示する | |
presentViewController(alertController, animated: true, completion: nil) | |
} | |
override func didReceiveMemoryWarning() { | |
super.didReceiveMemoryWarning() | |
// Dispose of any resources that can be recreated. | |
} | |
} |
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