The UI Control Framework (CONE)

Purpose

Let's get the important stuff out of the way first: CONE is an abbreviation of CONtrol Environment. It is the internal Symbian component name for the UI Control Framework.

CONE provides:

• a framework for creating user interface controls,

• a framework for applications to handle user interface events,

• and an environment in which to access Window Server functionality.

Contents

UI Control Framework overview

View Architecture overview

Multiple Screens overview

Resource Loader overview

UI Control Framework concepts

- Controls

- The Application User Interface

How to write controls

How to create a Singleton

How to use multiple screens