Connection 3 HTTP communication using NSURLSession (processing using the Delegate)

By the request destination from iOS9 must be disabled, deal with ATS Swift 3.0 // // ViewController.swift // Connection003 // // Created by Misato Morino on 2016/08/15. // Copyright © 2016年 Misato Morino. All rights reserved. // import UIKit class ViewController: UIViewController, URLSessionDelegate, URLSessionDataDelegate { var myTextView : UITextView! override func viewDidLoad() { super.viewDidLoad() self.view.backgroundColor = UIColor.lightGray // 表示用のTextViewを用意. myTextView = UITextView(frame: CGRect(x: 10, y: 50, width: self.view.frame.width - 20, height: 500)) myTextView.backgroundColor = UIColor(red: 0.9, green: 0.9, blue: 1, alpha: 1.0) myTextView.layer.masksToBounds = true myTextView.layer.cornerRadius = 20.0 myTextView.layer.borderWidth = 1 myTextView.layer.borderColor = UIColor.black.cgColor myTextView.font = UIFont.systemFont(ofSize: CGFloat(20)) myTextView.textColor = UIColor.black myTextView.textAlignment = NSTextAlignment.left myTextView.dataDetectorTypes = UIDataDetectorTypes.all myTextView.layer.shadowOpacity = 0.5 myTextView.layer.masksToBounds = false myTextView.isEditable = false self.view.addSubview(myTextView) // 通信用のConfigを生成. let config: URLSessionConfiguration = URLSessionConfiguration.background(withIdentifier: "backgroundTask") // Sessionを生成. let session: URLSession = URLSession(configuration: config, delegate: self, delegateQueue: nil) // 通信先のURLを生成. let url: NSURL = NSURL(string: "http://xxx/hello.php")! // タスクの生成. let task: URLSessionDataTask = session.dataTask(with: url as URL) // タスクの実行. task.resume() } /* 通信が終了したときに呼び出されるデリゲート. */ func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, didReceive data: Data) { print("NSURLSessionDataTask") // 帰ってきたデータを文字列に変換. let getData: NSString = NSString(data: data, encoding: String.Encoding.utf8.rawValue)! // バックグラウンドだとUIの処理が出来ないので、メインスレッドでUIの処理を行わせる. DispatchQueue.main.async(execute: { self.myTextView.text = getData as String }) } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. } } Swift 2.3 // // ViewController.swift // Connection003 // // Created by Misato Morino on 2016/08/15. // Copyright © 2016年 Misato Morino. All rights reserved. // import UIKit class ViewController: UIViewController, NSURLSessionDelegate, NSURLSessionDataDelegate { var myTextView : UITextView! override func viewDidLoad() { super.viewDidLoad() self.view.backgroundColor = UIColor.lightGrayColor() // 表示用のTextViewを用意. myTextView = UITextView(frame: CGRectMake(10, 50, self.view.frame.width - 20, 500)) myTextView.backgroundColor = UIColor(red: 0.9, green: 0.9, blue: 1, alpha: 1.0) myTextView.layer.masksToBounds = true myTextView.layer.cornerRadius = 20.0 myTextView.layer.borderWidth = 1 myTextView.layer.borderColor = UIColor.blackColor().CGColor myTextView.font = UIFont.systemFontOfSize(CGFloat(20)) myTextView.textColor = UIColor.blackColor() myTextView.textAlignment = NSTextAlignment.Left myTextView.dataDetectorTypes = UIDataDetectorTypes.All myTextView.layer.shadowOpacity = 0.5 myTextView.layer.masksToBounds = false myTextView.editable = false self.view.addSubview(myTextView) // 通信用のConfigを生成. let config: NSURLSessionConfiguration = NSURLSessionConfiguration.backgroundSessionConfigurationWithIdentifier("backgroundTask") // Sessionを生成. let session: NSURLSession = NSURLSession(configuration: config, delegate: self, delegateQueue: nil) // 通信先のURLを生成. let url: NSURL = NSURL(string: "http://xxx/hello.php")! // タスクの生成. let task: NSURLSessionDataTask = session.dataTaskWithURL(url) // タスクの実行. task.resume() } /* 通信が終了したときに呼び出されるデリゲート. */ func URLSession(session: NSURLSession, dataTask: NSURLSessionDataTask, didReceiveData data: NSData) { print("NSURLSessionDataTask") // 帰ってきたデータを文字列に変換. let getData: NSString = NSString(data: data, encoding: NSUTF8StringEncoding)! // バックグラウンドだとUIの処理が出来ないので、メインスレッドでUIの処理を行わせる. dispatch_async(dispatch_get_main_queue(), { self.myTextView.text = getData as String }) } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. } } 2.xと3.xの差分 NSURLSessionからURLSessionに変更（他も同じく） dispatch_async(dispatch_get_main_queue(), { からDispatchQueue.main.async(execute: {に変更 dataTaskWithURL(url) から dataTask(with: url as URL) に変更 func URLSession(session: NSURLSession, dataTask: NSURLSessionDataTask, didReceiveData data: NSData) から func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, didReceive data: Data)