이끼의 생각

Singleton Coding 싱글톤 패턴을 자바언어로 구현해 보겠습니다. 1. Lazy Initalization (The Classic Initialization) 늦은 초기화 방식으로 고전적인 방법의 싱글턴 패턴 방식입니다. public class Singleton {private static Singleton uniqueInstance; // other useful instance variables here private Singleton() {} public static Singleton getInstance() {if (uniqueInstance == null) {uniqueInstance = new Singleton();}return uniqueInstance;}// other useful m..

func showToast() { let toastLabel = UILabel(frame: CGRect(x: view.frame.size.width/2 - 150, y: view.frame.size.height-100, width: 300, height : 35)) toastLabel.backgroundColor = UIColor.clear toastLabel.textColor = UIColor.black toastLabel.textAlignment = NSTextAlignment.center; view.addSubview(toastLabel) toastLabel.text = "토스트 메세지 입니다." toastLabel.font = UIFont.boldSystemFont(ofSize: 18) toast..

//Toast Message //How To Use : showToast(controller: self, message : "This is a test", seconds: 2.0) func showToast(controller: UIViewController, message : String, seconds: Double) { let alert = UIAlertController(title: nil, message: message, preferredStyle: .alert) alert.view.backgroundColor = UIColor.black alert.view.alpha = 0.6 alert.view.layer.cornerRadius = 15 controller.present(alert, anim..