Type Method

reloadRootControllersWithNames:contexts:

Loads the specified interface controllers and rebuilds the app’s page-based interface.

Declaration

+ (void)reloadRootControllersWithNames:(NSArray<NSString *> *)names contexts:(NSArray *)contexts;

names: An array of NSString objects, each of which contains the identifier of an interface controller in your storyboard file. The order of the identifiers in the array defines the order of the corresponding interface controllers in the page-based interface.
contexts: An array of objects of type id. Use this parameter to pass context objects to each of the interface controllers loaded into the page-based interface. The first object in the array is passed to the first interface controller, the second object is passed to the second interface controller, and so on.

Call this method to reload the pages in your app’s page-based interface:

At launch time. Use this method to customize the set of pages you want displayed.
At runtime. Use it to change the active set of pages, adding or removing pages as needed.