How to make xib compatible with both iphone 5 and iphone 4 devices

Question

I am trying to layout my xib so that layout fits in both iphone 5 (4 inches retina) and 3.5 devices.

Because I have to support IOS-5 I cannot use autolayout. I have

Answer 1

ivanzoid's snippet above that queries for the whole screen size does the trick so long as you remember to subtract the offsets for navigation and toolbars (totalling 64 under most conditions).

It's the view height that needs to be adjusted; springs and struts otherwise take care of it.

Retesting my app on the iPhone 5 I only had to do this on one screen with some runtime control position adjustments. Every other case is handled by XIB defaults.