segue back and forth between viewcontrollers

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I'm implementing a single sign on in my app (user needs to login only once).

but the user can sign out if he wants.

i will explain my problem with a use case flow.

FLOW: 1. loginViewController -> user presses login -> i segue to appNavigationController (HomePageViewController is root viewController) 2. HomePageViewController -> user signs out of app -> i segue back to login page 3. user sign's back in.

now i have a problem.

i get an error:

Warning: Attempt to present on whose view is not in the window hierarchy!

and i don't know if this is the problem but the navigationController is saving the first homeViewController and its not emptying the stack i tried to pop the homeViewController in viewDidDisappear it didn't work the stack still saves the first homeViewController

Any suggestions? Thanks

asked 56 secs ago

ilan bt

55

segue back and forth between viewcontrollers