44 Drawing to the second screen

Swift3.0 // // ViewController.swift // UIKit044_3.0 // // Created by KimikoWatanabe on 2016/08/21. // Copyright © 2016年 FaBo, Inc. All rights reserved. // import UIKit class ViewController: UIViewController { var mySecondWindow: UIWindow! override func viewDidLoad() { super.viewDidLoad() let screen: NSArray = UIScreen.screens // 接続中の画面が2つある場合、2番目を表示. if screen.count > 1 { let screen: UIScreen = UIScreen.screens[1] showSecondScreenWindow(screen: screen) } // 画面の接続がおこなわれた時に発生するNotification. let myDefaultCenter: NotificationCenter = NotificationCenter.default myDefaultCenter.addObserver(self, selector: #selector(ViewController.screenDidConnect(notification:)), name: NSNotification.Name.UIScreenDidConnect, object: nil) myDefaultCenter.addObserver(self, selector: #selector(ViewController.screenDidDisconnect(notification:)), name: NSNotification.Name.UIScreenDidDisconnect, object: nil) myDefaultCenter.addObserver(self, selector: #selector(ViewController.screenDidModeChange(notification:)), name: NSNotification.Name.UIScreenModeDidChange, object: nil) // Labelを作成. let myLabel: UILabel = UILabel(frame: CGRect(x:0,y:0,width:200,height:50)) myLabel.backgroundColor = UIColor.orange myLabel.layer.masksToBounds = true myLabel.layer.cornerRadius = 20.0 myLabel.text = "Hello 1st Screen" myLabel.textColor = UIColor.white myLabel.shadowColor = UIColor.gray myLabel.textAlignment = NSTextAlignment.center myLabel.layer.position = CGPoint(x: self.view.bounds.width/2,y: 200) self.view.addSubview(myLabel) } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() } /* 画面の接続された時. */ func screenDidConnect(notification: NSNotification){ print("screenDidConnect") let screen: NSArray = UIScreen.screens if screen.count > 1 { let screen: UIScreen = UIScreen.screens[1] showSecondScreenWindow(screen: screen) } } /* 画面が切断された時. */ func screenDidDisconnect(notification: NSNotification){ print("screenDidDisconnect") } /* 画面のモードが変わった時. */ func screenDidModeChange(notification: NSNotification){ print("screenDidModeChange") } /* 2画面目の画面のレイアウト. */ func showSecondScreenWindow(screen: UIScreen!){ mySecondWindow = UIWindow() mySecondWindow.screen = screen mySecondWindow.frame = CGRect(x:0, y:0, width:screen.bounds.width, height:screen.bounds.height) mySecondWindow.backgroundColor = UIColor.red self.mySecondWindow.makeKeyAndVisible() // Labelを作成. let myLabel: UILabel = UILabel(frame: CGRect(x:0,y:0,width:200,height:50)) myLabel.backgroundColor = UIColor.orange myLabel.layer.masksToBounds = true myLabel.layer.cornerRadius = 20.0 myLabel.text = "Hello Second Screen" myLabel.textColor = UIColor.white myLabel.shadowColor = UIColor.gray myLabel.textAlignment = NSTextAlignment.center myLabel.layer.position = CGPoint(x: self.mySecondWindow.bounds.width/2,y: 200) self.mySecondWindow.addSubview(myLabel) } } Swift 2.3 // // ViewController.swift // UIKit044_2.3 // // Created by KimikoWatanabe on 2016/08/21. // Copyright © 2016年 FaBo, Inc. All rights reserved. // import UIKit class ViewController: UIViewController { var mySecondWindow: UIWindow! override func viewDidLoad() { super.viewDidLoad() let screen: NSArray = UIScreen.screens() // 接続中の画面が2つある場合、2番目を表示. if screen.count > 1 { let screen: UIScreen = UIScreen.screens()[1] showSecondScreenWindow(screen) } // 画面の接続がおこなわれた時に発生するNotification. let myDefaultCenter: NSNotificationCenter = NSNotificationCenter.defaultCenter() myDefaultCenter.addObserver(self, selector: #selector(ViewController.screenDidConnect(_:)), name: UIScreenDidConnectNotification, object: nil) myDefaultCenter.addObserver(self, selector: #selector(ViewController.screenDidDisconnect(_:)), name: UIScreenDidDisconnectNotification, object: nil) myDefaultCenter.addObserver(self, selector: #selector(ViewController.screenDidModeChange(_:)), name: UIScreenModeDidChangeNotification, object: nil) // Labelを作成. let myLabel: UILabel = UILabel(frame: CGRectMake(0,0,200,50)) myLabel.backgroundColor = UIColor.orangeColor() myLabel.layer.masksToBounds = true myLabel.layer.cornerRadius = 20.0 myLabel.text = "Hello 1st Screen" myLabel.textColor = UIColor.whiteColor() myLabel.shadowColor = UIColor.grayColor() myLabel.textAlignment = NSTextAlignment.Center myLabel.layer.position = CGPoint(x: self.view.bounds.width/2,y: 200) self.view.addSubview(myLabel) } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() } /* 画面の接続された時. */ func screenDidConnect(notification: NSNotification){ print("screenDidConnect") let screen: NSArray = UIScreen.screens() if screen.count > 1 { let screen: UIScreen = UIScreen.screens()[1] showSecondScreenWindow(screen) } } /* 画面が切断された時. */ func screenDidDisconnect(notification: NSNotification){ print("screenDidDisconnect") } /* 画面のモードが変わった時. */ func screenDidModeChange(notification: NSNotification){ print("screenDidModeChange") } /* 2画面目の画面のレイアウト. */ func showSecondScreenWindow(screen: UIScreen!){ mySecondWindow = UIWindow() mySecondWindow.screen = screen mySecondWindow.frame = CGRectMake(0, 0, screen.bounds.width, screen.bounds.height) mySecondWindow.backgroundColor = UIColor.redColor() self.mySecondWindow.makeKeyAndVisible() // Labelを作成. let myLabel: UILabel = UILabel(frame: CGRectMake(0,0,200,50)) myLabel.backgroundColor = UIColor.orangeColor() myLabel.layer.masksToBounds = true myLabel.layer.cornerRadius = 20.0 myLabel.text = "Hello Second Screen" myLabel.textColor = UIColor.whiteColor() myLabel.shadowColor = UIColor.grayColor() myLabel.textAlignment = NSTextAlignment.Center myLabel.layer.position = CGPoint(x: self.mySecondWindow.bounds.width/2,y: 200) self.mySecondWindow.addSubview(myLabel) } } 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) (ViewController.screenDidConnect(_:)->)