Introduction to the UI Control Framework

The UI Control Framework, which was formerly referred to as CONE, is an API between the window server and a user interface libraries, as shown in the diagram below. It is used by the Uikon APIs and the device family specific user interface libraries. Most applications also use the control framework directly, to implement an application view.

The purpose of the control framework is:

• to simplify access to the window server

• to set a recommended framework for all UI libraries

• to do this without imposing a particular user interface look