创建主入口 main.swift
:
import UIKit UIApplicationMain( Process.argc,Process.unsafeArgv,NsstringFromClass(MainApp),NsstringFromClass(MainAppDelegate) )
创建 app.swift
,对应 MainApp
和 MainAppDelegate
的实现:
import UIKit class MainApp: UIApplication { override func sendEvent(event: UIEvent) { super.sendEvent(event) } } class MainAppDelegate: UIResponder,UIApplicationDelegate { var window: UIWindow? func application(app: UIApplication,didFinishLaunchingWithOptions opt: [NSObject: AnyObject]?) -> Bool { self.window = UIWindow(frame: UIScreen.mainScreen().bounds) self.window!.rootViewController = UIViewController() self.window!.backgroundColor = UIColor.whiteColor() self.window!.makeKeyAndVisible() self.window!.AddSubview { let label = UILabel(frame: self.window!.frame) label.textAlignment = .Center label.text = "你好,UIKit!" return label } return true } } extension UIView { func AddSubview(subview: ()->UIView) { self.addSubview(subview()) } }
运行效果:
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