App底部的tab标签页可以方便的把功能模块划分清楚，只需点击相应的标签页就可以展示完全独立的视图页面，同时各标签页间的视图也可以进行数据交换。
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import UIKitclass ViewController: UIViewController,UITabBarDelegate { //添加Tab Bar控件 var tabBar:UITabBar! //Tab Bar Item的名称数组 var tabs = ["公开课","全栈课","设置"] //Tab Bar上方的容器 var contentView:UIView! override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view, typically from a nib. //在底部创建Tab Bar tabBar = UITabBar(frame: CGRectMake(0,CGRectGetHeight(self.view.bounds)-64,CGRectGetWidth(self.view.bounds),44)) var items:[UITabBarItem] = [] for tab in self.tabs { var tabItem = UITabBarItem() tabItem.title = tab items.append(tabItem) } //设置Tab Bar的标签页 tabBar.setItems(items, animated: true) //本类实现UITabBarDelegate代理，切换标签页时能响应事件 tabBar.delegate = self //代码添加到界面上来 self.view.addSubview(tabBar); //上方的容器 contentView = UIView(frame: CGRectMake(0,0,CGRectGetWidth(self.view.bounds),CGRectGetHeight(self.view.bounds)-44)) self.view.addSubview(contentView) var lbl = UILabel(frame:CGRectMake(100,200,100,20)) //定义tag，在用户切换tab时能查询到label控件 lbl.tag = 1 contentView.addSubview(lbl) } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. } // UITabBarDelegate协议的方法，在用户选择不同的标签页时调用 func tabBar(tabBar: UITabBar!, didSelectItem item: UITabBarItem!) { //通过tag查询到上方容器的label，并设置为当前选择的标签页的名称 (contentView.viewWithTag(1) as UILabel).text = item.title }} |
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import UIKitclass ViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view, typically from a nib. let button:UIButton = UIButton(type: UIButtonType.System) button.frame=CGRectMake(100, 150, 100, 30) button.setTitle("开始游戏", forState:UIControlState.Normal) button.addTarget(self,action:Selector("tapped"),forControlEvents:UIControlEvents.TouchUpInside) self.view.addSubview(button); } func tapped(){ self.presentViewController(MainTabViewController(), animated:true, completion:nil) } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. }} |
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import UIKitclass MainTabViewController:UITabBarController{ override func viewDidLoad() { super.viewDidLoad() //一共包含了两个视图 let viewMain = MainViewController() viewMain.title = "2048" let viewSetting = SettingViewController() viewSetting.title = "设置" //分别声明两个视图控制器 var main = UINavigationController(rootViewController:viewMain) main.tabBarItem.image = UIImage(named:"first") var setting = UINavigationController(rootViewController:viewSetting) setting.tabBarItem.image = UIImage(named:"second") self.viewControllers = [main,setting] //默认选中的是游戏主界面视图 self.selectedIndex = 0 }} |
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import UIKitclass MainViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() //改成主视图背景白色背景 self.view.backgroundColor = UIColor.whiteColor() } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. }} |
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import UIKitclass SettingViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() self.view.backgroundColor = UIColor(red:109/255, green:218/255, blue:255/255, alpha:1) } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. }} |
TabBarControllerTest.zipSwift - 标签条（UITabBar）标签页控制器（UITabBarController）用法
原文：http://www.cnblogs.com/Free-Thinker/p/4838311.html