ios - Downcast/Upcast a View Controller From Storyboard -


if have storyboard contains view controller named "abcviewcontroller"

"a_viewcontroller" subclass of "abcviewcontroller"

is there way initiate view controller "abcviewcontroller" storyboard "a_viewcontroller" ?

you can't storyboard. instantiateviewcontrollerwithidentifier return instance of abcviewcontroller, can cast superclass (i.e.uiviewcontroller) casting subclass (a_viewcontroller) won't work. can read why can't here.

if want have 2 view controllers same layout, different classes should use xib


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