Swift--UINavigationController
发布时间:2020-12-14 07:10:07 所属栏目:百科 来源:网络整理
导读:代码目录 AppDelegate.swift func application(application: UIApplication,didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) - Bool { // Override point for customization after application launch. self.window = UIWindow(frame
代码目录
AppDelegate.swift
func application(application: UIApplication,didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool { // Override point for customization after application launch. self.window = UIWindow(frame: UIScreen.mainScreen().bounds); self.window?.backgroundColor = UIColor.whiteColor(); self.window?.makeKeyAndVisible(); let main = ViewController(); let nvc = UINavigationController(rootViewController: main); self.window?.rootViewController = nvc; return true } ViewController.swift
class ViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() self.title = "Main"; let nextItem = UIBarButtonItem(title: "Next",style: UIBarButtonItemStyle.Plain,target: self,action: "next"); self.navigationItem.rightBarButtonItem = nextItem; } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() } func next(){ let next = Next(); self.navigationController?.pushViewController(next,animated: true); } } Next.swift
class Next: UIViewController { override func viewDidLoad() { super.viewDidLoad() self.title = "Next" let btn = UIButton(frame: CGRect(x: 110,y: 100,width: 100,height: 40)); btn.setTitle("Back",forState: .Normal) btn.addTarget(self,action: "butClick",forControlEvents: .TouchUpInside) btn.backgroundColor = UIColor.blueColor(); self.view.addSubview(btn) } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() } func butClick() { self.navigationController?.popViewControllerAnimated(true); } } 效果图
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