Best practices for Storyboard login screen, handling clearing of data upon logout

I’m building an iOS app using a Storyboard. The root view controller is a Tab Bar Controller. I’m creating the login/logout process, and it’s mostly working fine, but I’ve got a few issues. I need to know the BEST way to set all this up. I want to accomplish the following: Show a login screen … Read more

What are Unwind segues for and how do you use them?

iOS 6 and Xcode 4.5 has a new feature referred to as “Unwind Segue”: Unwind segues can allow transitioning to existing instances of scenes in a storyboard In addition to this brief entry in Xcode 4.5’s release notes, UIViewController now seem to have a couple of new methods: – (BOOL)canPerformUnwindSegueAction:(SEL)action fromViewController:(UIViewController *)fromViewController withSender:(id)sender – (UIViewController … Read more

Xcode 6 Bug: Unknown class in Interface Builder file

I upgraded to Xcode 6 beta 4 and now my App continuously crashes with the message Unknown class X in Interface Builder file. It crashes because supposedly Xcode can’t find my custom classes that I have linked in my Storyboard but it shows that they are linked correctly in the Xcode interface. I’m positive everything … Read more