Dev:UIKit.framework

UIKit is a high-level Objective-C framework that manages the graphical front-end of the iPhoneOS. It is a public framework, and therefore its documentation can be found on Apple's iPhone Dev Center. Nevertheless, this is only a small part of the whole UIKit.

Parameters for UIKit applications
UIKit recognizes the following these special command-line flags:

Environment variables
UIKit recognizes the following environment variables