How to develop or migrate apps for iPhone 5 screen resolution?

Question

The new iPhone 5 display has a new aspect ratio and a new resolution (640 x 1136 pixels).

What is required to develop new or transition already existing applications

Answer 1

First show this image. In that image you show warning for Retina 4 support so click on this warning and click on add so your Retina 4 splash screen automatically add in your project.

and after you use this code :

if([[UIScreen mainScreen] bounds].size.height == 568)
    {
        // For iphone 5
    }
    else
    {
        // For iphone 4 or less
    }