17 UIBarButtonItem

Swift3.0 AppDelegate.swift // // AppDelegate.swift // UIKit017_3.0 // // Created by KimikoWatanabe on 2016/08/16. // Copyright © 2016年 FaBo, Inc. All rights reserved. // import UIKit @UIApplicationMain class AppDelegate: UIResponder, UIApplicationDelegate { internal var window: UIWindow? func applicationDidFinishLaunching(_ application: UIApplication) { // viewConrollerを生成. let myViewController = ViewController() // navigationControllerを生成. let navigationController = UINavigationController(rootViewController: myViewController) // windowを生成. window = UIWindow(frame: UIScreen.main.bounds) // rootViewControllerにnavigationControllerを設定. window?.rootViewController = navigationController window?.makeKeyAndVisible() //return true } } ViewController.swift // // ViewController.swift // UIKit017_3.0 // // Created by KimikoWatanabe on 2016/08/16. // Copyright © 2016年 FaBo, Inc. All rights reserved. // import UIKit class ViewController: UIViewController { private var myLeftButton: UIBarButtonItem! private var myRightButton: UIBarButtonItem! override func viewDidLoad() { super.viewDidLoad() // 背景色をCyanに設定する. self.view.backgroundColor = UIColor.cyan // NavigationControllerのタイトルを設定する. self.title = "My Navigation" // 左ボタンを作成する.. myLeftButton = UIBarButtonItem(barButtonSystemItem: .add, target: self, action: #selector(ViewController.onClickMyButton(sender:))) // 右ボタンを作成する. myRightButton = UIBarButtonItem(title: "RightBtn", style: .plain, target: self, action: #selector(ViewController.onClickMyButton(sender:))) // tagを設定する. myLeftButton.tag = 1 myRightButton.tag = 2 // ナビゲーションバーの左に設置する. self.navigationItem.leftBarButtonItem = myLeftButton // ナビゲーションバーの右に設置する. self.navigationItem.rightBarButtonItem = myRightButton } /* ボタンイベント. */ internal func onClickMyButton(sender: UIButton){ switch(sender.tag){ case 1: // 背景色を青色に変える. self.view.backgroundColor = UIColor.blue case 2: // 背景色を赤色に変える. self.view.backgroundColor = UIColor.red default: print("error") } } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() } } Swift 2.3 AppDelegate.swift // // AppDelegate.swift // UIKit017_2.3 // // Created by KimikoWatanabe on 2016/08/16. // Copyright © 2016年 FaBo, Inc. All rights reserved. // import UIKit @UIApplicationMain class AppDelegate: UIResponder, UIApplicationDelegate { internal var window: UIWindow? func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool { // viewConrollerを生成. let myViewController = ViewController() // navigationControllerを生成. let navigationController = UINavigationController(rootViewController: myViewController) // windowを生成. window = UIWindow(frame: UIScreen.mainScreen().bounds) // rootViewControllerにnavigationControllerを設定. window?.rootViewController = navigationController window?.makeKeyAndVisible() return true } } ViewController.swift // // ViewController.swift // UIKit017_2.3 // // Created by KimikoWatanabe on 2016/08/16. // Copyright © 2016年 FaBo, Inc. All rights reserved. // import UIKit class ViewController: UIViewController { private var myLeftButton: UIBarButtonItem! private var myRightButton: UIBarButtonItem! override func viewDidLoad() { super.viewDidLoad() // 背景色をCyanに設定する. self.view.backgroundColor = UIColor.cyanColor() // NavigationControllerのタイトルを設定する. self.title = "My Navigation" // 左ボタンを作成する.. myLeftButton = UIBarButtonItem(barButtonSystemItem: .Add, target: self, action: "onClickMyButton:") // 右ボタンを作成する. myRightButton = UIBarButtonItem(title: "RightBtn", style: .Plain, target: self, action: "onClickMyButton:") // tagを設定する. myLeftButton.tag = 1 myRightButton.tag = 2 // ナビゲーションバーの左に設置する. self.navigationItem.leftBarButtonItem = myLeftButton // ナビゲーションバーの右に設置する. self.navigationItem.rightBarButtonItem = myRightButton } /* ボタンイベント. */ internal func onClickMyButton(sender: UIButton){ switch(sender.tag){ case 1: // 背景色を青色に変える. self.view.backgroundColor = UIColor.blueColor() case 2: // 背景色を赤色に変える. self.view.backgroundColor = UIColor.redColor() default: print("error") } } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() } } 2.3と3.0の差分 UIApplicationDelegateのDelegateメソッド名が変更 UIScreenからスクリーンのサイズ取得の方法が変更(UIScreen.mainScreen() -> UIScreen.main) UIBarButtonItemStyleの名称が変更

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