Using Flex Builder 2 > Developing a Flex Application User Interface > Building a Flex User Interface

Building a Flex User Interface

You can use Adobe Flex Builder to build the user interface of a Flex application rapidly. The building blocks of user interfaces are MXML containers and controls. A control is a user-interface component such as a Button, TextArea, and ComboBox control. A container is a rectangular region of the Flash Player drawing surface that you use to organize and lay out controls, other containers, and custom components.

For more information about components, see Using Flex Visual Components in Flex 2 Developer's Guide.

This topic contains the following sections:

About the structure of Flex user interfaces

Adding components

Working with components visually

Laying out your user interface

Adding navigator containers

Adding data provider controls

Adding charting components

Flex 2.01