swift-導覽列和tabbar(系統內建)

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1,在AppDelegate.swift裡面(下面這個函數裡面寫)

    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {

//定義三個視圖

　　　var oneview = Oneview()

        var twoview = Twoview()

        var threeview = ThreeView()

//導覽列

        var threenav : UINavigationController = UINavigationController(rootViewController: threeview)

        var oneNav :UINavigationController = UINavigationController(rootViewController: oneview)

        var twoNav :UINavigationController = UINavigationController(rootViewController: twoview)

 //tabbar

        var oneItem :UITabBarItem = UITabBarItem(tabBarSystemItem: UITabBarSystemItem.Bookmarks, tag: 0)

        var twoItem :UITabBarItem = UITabBarItem(tabBarSystemItem: UITabBarSystemItem.Downloads, tag: 1)

        var treeItem :UITabBarItem = UITabBarItem(tabBarSystemItem: UITabBarSystemItem.Favorites, tag: 2)

        

        oneview.tabBarItem = oneItem

        twoview.tabBarItem = twoItem

        threeview.tabBarItem = treeItem

 

　　　　var tc = UITabBarController()

        tc.tabBar.barTintColor = UIColor.blackColor()

        tc.viewControllers = [oneNav,twoNav,threenav]

        self.window?.rootViewController = tc;

 

　　return true

}

swift-導覽列和tabbar(系統內建)