如何在Swift中以编程方式创建UISplitViewController

如果要使用navigationController进行操作，请尝试：

func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: NSDictionary?) -> Bool {
    if UIDevice.current.userInterfaceIdiom == .pad {
        self.window = UIWindow(frame: UIScreen.mainScreen().bounds)
        self.window!.backgroundColor = UIColor.whiteColor()
        var splitViewCOntroller=  UISplitViewController()
        var homeViewCOntroller= HomeViewController()
        var secOndViewController= SecondViewController()
        var homeNavigatiOnController= UINavigationController(rootViewController:homeViewController)
        var secOndNavigationController= UINavigationController(rootViewController:secondViewController)
        splitViewController.viewCOntrollers= [homeNavigationController,secondNavigationController]
        self.window!.rootViewCOntroller= splitViewController
        self.window!.makeKeyAndVisible()
        return true
    } else {
        // use single controller for iPhone and return that controller
    }
}