50 Delete of UI parts

Swift3.0 // // ViewController.swift // UIKit050_3.0 // // Created by KimikoWatanabe on 2016/08/21. // Copyright © 2016年 FaBo, Inc. All rights reserved. // import UIKit class ViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() let myButton = UIButton(frame: CGRect(x:50, y:50, width:100, height:100)) myButton.setTitle("UIボタン", for: UIControlState.normal) myButton.setTitleColor(UIColor.black, for: UIControlState.normal) myButton.backgroundColor = UIColor.green let myLabel = UILabel(frame: CGRect(x:50, y:200, width:100, height:100)) myLabel.text = "UIラベル" myLabel.textColor = UIColor.green myLabel.backgroundColor = UIColor.red self.view.addSubview(myButton) print("View:\(view.description)") let views = self.view.subviews for myView in views { print("View:\(myView.description)") if myView.isKind(of:UIButton.self) { myView.removeFromSuperview() self.view.addSubview(myLabel) } } } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() } } Swift 2.3 // // ViewController.swift // UIKit050_2.3 // // Created by KimikoWatanabe on 2016/08/21. // Copyright © 2016年 FaBo, Inc. All rights reserved. // import UIKit class ViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() let myButton = UIButton(frame: CGRectMake(50, 50, 100, 100)) myButton.setTitle("UIボタン", forState: UIControlState.Normal) myButton.setTitleColor(UIColor.blackColor(), forState: UIControlState.Normal) myButton.backgroundColor = UIColor.greenColor() let myLabel = UILabel(frame: CGRectMake(50, 200, 100, 100)) myLabel.text = "UIラベル" myLabel.textColor = UIColor.greenColor() myLabel.backgroundColor = UIColor.redColor() self.view.addSubview(myButton) print("View:\(view.description)") let views = self.view.subviews for myView in views { print("View:\(myView.description)") if myView.isKindOfClass(UIButton) { myView.removeFromSuperview() self.view.addSubview(myLabel) } } } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() } } 2.3と3.0の差分 UIColorの参照方法が変更(UIColor.grayColor()->UIColor.gray) CGRect,CGPointの初期化方法の変更(CGRectMake,CGPointMakeの廃止) isKindOfClass(class)がisKind(of:class)に変更

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