UserNotification 2 To display a badge on the app icon

Swift3.0 // // ViewController.swift // Utility000_3.0 // // Created by KimikoWatanabe on 2016/08/22. // Copyright © 2016年 FaBo, Inc. All rights reserved. // import UIKit import UserNotifications class ViewController: UIViewController,UIApplicationDelegate { override func viewDidLoad() { super.viewDidLoad() self.view.backgroundColor = UIColor.cyan //ボタンを生成. let myButton = UIButton() myButton.frame = CGRect(x:0, y:0, width:100, height:50) myButton.backgroundColor = UIColor.green myButton.setTitle("Delete", for: .normal) myButton.setTitleColor(UIColor.white, for: .normal) myButton.layer.masksToBounds = true myButton.layer.cornerRadius = 10.0 myButton.layer.position = CGPoint(x:self.view.frame.width/2, y:self.view.frame.height-100) myButton.addTarget(self, action: #selector(ViewController.onClickMyButton(sender:)), for: .touchUpInside) self.view.addSubview(myButton) let center:UNUserNotificationCenter = UNUserNotificationCenter.current() center.requestAuthorization(options: [.badge], completionHandler: {(permit, error) in if permit { print("通知が許可されました") }else { print("通知が拒否されました") } //バッジの数の設定. UIApplication.shared.applicationIconBadgeNumber = 1 }) } //ボタンイベント. func onClickMyButton(sender: UIButton){ //バッジの数を０にする. UIApplication.shared.applicationIconBadgeNumber = 0 } } Swift 2.3 // // ViewController.swift // Utility000_2.3 // // Created by KimikoWatanabe on 2016/08/22. // Copyright © 2016年 FaBo, Inc. All rights reserved. // import UIKit class ViewController: UIViewController,UIApplicationDelegate { override func viewDidLoad() { super.viewDidLoad() self.view.backgroundColor = UIColor.cyanColor() //ボタンを生成. let myButton = UIButton() myButton.frame = CGRectMake(0, 0, 100, 50) myButton.backgroundColor = UIColor.greenColor() myButton.setTitle("Delete", forState: .Normal) myButton.setTitleColor(UIColor.whiteColor(), forState: .Normal) myButton.layer.masksToBounds = true myButton.layer.cornerRadius = 10.0 myButton.layer.position = CGPointMake(self.view.frame.width/2, self.view.frame.height-100) myButton.addTarget(self, action: #selector(ViewController.onClickMyButton(_:)), forControlEvents: .TouchUpInside) self.view.addSubview(myButton) //permissionの設定. let settings = UIUserNotificationSettings(forTypes: UIUserNotificationType.Badge, categories: nil) UIApplication.sharedApplication().registerUserNotificationSettings(settings) //バッジの数の設定. UIApplication.sharedApplication().applicationIconBadgeNumber = 1 } //ボタンイベント. func onClickMyButton(sender: UIButton){ //バッジの数を０にする. UIApplication.sharedApplication().applicationIconBadgeNumber = 0 } } 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) UIApplication.sharedApplication()がUIApplication.sharedに変更