Question

I have created a Universal app using Interface Builder. My view controllers are embedded in a navigation controller. Everything works on the simulator and on both iPad and iPhone, but I’m getting a weird quirk.

My first view is a menu displayed in a ScrollView. On the iPhone and the iPhone simulator only, the first time my first view loads, everything looks fine. If I click a button to segue to a new view and then use the “Back” button, the menu shrinks toward the left side of the screen. If I click a button again and then navigate back again, the original proportions are restored. (Repeat ad infinitum.)

This doesn’t seem to happen in the iPad version. The only differences are: iPhone version is portrait only, iPad version is landscape only; and the iPad version is in a scrollview (held over from being copied from iPhone UI), but doesn’t actually need to scroll, because the view is same size as screen.

I am using Interface Builder to set the struts and springs. I tried upgrading to AutoLayout, but that caused a problem with an OpenGL component taken from some (very old) Apple Sample Code, and I don’t want to mess around with that component.

Could this be a bug with ScrollViews and Navigation Controllers? Am I just missing a simple setting change? I suspect it could have something to do with iOS 6 trying to support the new, longer iPhone, but have no clue how to fix it. I’m sure the problem is something silly, but I’m stuck! Thanks in advance.

Answer 1

Figured it out. I just had to move

self.scrollView.contentSize = self.scrollView.bounds.size;

out of viewDidLoad and into ViewWillAppear.