How to use a UISplitViewController in Swift
问题 So I add a UISplitViewController to a project which is embedded with a UITabBarController . The UISplitViewController has a UINavigationController as a Master & Detail relationship with their own root controller. The Master UINavigationController rootController has a detail segue to the Detail UINavigationController . See here: All pretty simple right ? Now in the TableViewController I do the following; class TableViewController: TableViewController, UISplitViewControllerDelegate { var