59
votes
5
answers
646
views
Why the 20px gap at the top of my UIViewController?
The Problem Consider the following controller hierarchy: UINavigationController UIViewController UITableVi
69
votes
26
answers
2.4K
views
Presenting modal in iOS 13 fullscreen
In iOS 13 there is a new behaviour for modal view controller when being presented. Now it's not fullscre
67
votes
17
answers
1.4K
views
How to tell if UIViewController's view is visible
I have a tab bar application, with many views. Is there a way to know if a particular UIViewController is curr
52
votes
30
answers
717
views
Passing data between view controllers
I'm new to iOS and Objective-C and the whole MVC paradigm and I'm stuck with the following: I have a
