I am learning iOS and using Apress - Beggining iOS 5 development book. The book says there is a window to preview UI elements\'s autosizing behaviour in size inspector as:
I have found the answer here
Xcode 4.3 not presenting Autoresizing panel in Size Inspector Just uncheck "Use Auto Layout" option on file inspector tab:
While you are editing XIB or storyboard file. You can see "Size Inspector" tab panel at right menu. It has a ruler icon.
But the view -that you want to set it's layout- must be selected. At this sample on screenshot, a Label (text:social) is selected.
This tutorial can help to your problem.
http://msmvps.com/blogs/kevinmcneish/archive/2012/12/10/tutorial-ios-6-auto-layout-versus-springs-and-struts.aspx