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

I was struggling with this today, and no matter what I did, my views were always showing up as 320x480, even when running on the retina 4" simulator. Even [UIScreen mainScreen].bounds was returning 320x480!

I found that adding the Default-568h@2x.png launch image was the key to getting iOS to recognize my app as 'retina 4" ready'. Once I did that, I found had to do nothing else to get nibs to automatically size without the black bars. No need to have two separate xibs, change settings in Interface Builder, overriding loadView, etc.