import UIKit class ViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view, typically from a nib. } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. } @IBAction func display() { let ud = NSUserDefaults.standardUserDefaults() var udId : AnyObject
![[Swift]【NSUserDefaultsの基本的な使い方】表示、格納、削除。 - Qiita](https://cdn-ak-scissors.b.st-hatena.com/image/square/15215c1de56f48f0f689ad5cc4b35b84708ca0b2/height=288;version=1;width=512/https%3A%2F%2Fqiita-user-contents.imgix.net%2Fhttps%253A%252F%252Fcdn.qiita.com%252Fassets%252Fpublic%252Farticle-ogp-background-9f5428127621718a910c8b63951390ad.png%3Fixlib%3Drb-4.0.0%26w%3D1200%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTkxNiZ0eHQ9JTVCU3dpZnQlNUQlRTMlODAlOTBOU1VzZXJEZWZhdWx0cyVFMyU4MSVBRSVFNSU5RiVCQSVFNiU5QyVBQyVFNyU5QSU4NCVFMyU4MSVBQSVFNCVCRCVCRiVFMyU4MSU4NCVFNiU5NiVCOSVFMyU4MCU5MSVFOCVBMSVBOCVFNyVBNCVCQSVFMyU4MCU4MSVFNiVBMCVCQyVFNyVCNCU4RCVFMyU4MCU4MSVFNSU4OSU4QSVFOSU5OSVBNCVFMyU4MCU4MiZ0eHQtY29sb3I9JTIzMjEyMTIxJnR4dC1mb250PUhpcmFnaW5vJTIwU2FucyUyMFc2JnR4dC1zaXplPTU2JnR4dC1jbGlwPWVsbGlwc2lzJnR4dC1hbGlnbj1sZWZ0JTJDdG9wJnM9NTA5NTFhYjUzZTBiOGY2NmEzMWJjZmI2MDhkZDhhMzE%26mark-x%3D142%26mark-y%3D112%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTYxNiZ0eHQ9JTQwbW9jaGl6dWtpa290YXJvJnR4dC1jb2xvcj0lMjMyMTIxMjEmdHh0LWZvbnQ9SGlyYWdpbm8lMjBTYW5zJTIwVzYmdHh0LXNpemU9MzYmdHh0LWFsaWduPWxlZnQlMkN0b3Amcz02MDJlZDc5NzE4MWM3ZDQ0YmIxOTMyMzFiMGU2MzVkOA%26blend-x%3D142%26blend-y%3D491%26blend-mode%3Dnormal%26s%3D038d9053bb1a42832493c9b03ebd2b66)