Description of Basic elements of a Flex application.

Flex framework

The Adobe® Flex 2 framework contains all the components you need to
build rich Internet applications, which include:
-Containers that you use to layout the application
-Controls you use to gather data from users and to manage the user interface (Text and Button, for example)
-Extensive data binding, formatting, and validation features
-An event-driven development model that provides rich user interface transformation features such as effects and transitions
-The Flex framework is contained within a shared component library (SWC) file.

MXML

Every Flex application contains at least one MXML file,
known as the main application file. MXML is a markup language,
an implementation of XML that was designed specifically for creating Flex
applications, and you use it to declaratively define the structure of your
application using tags.

ActionScript 3.0

You add dynamic behavior to your applications using ActionScript 3.0,
which is an implementation of ECMAScript and is similar to JavaScript.
You can add ActionScript to Flex applications directly in the MXML file as
script blocks or you can create separate files of ActionScript functions and
import them into your MXML files.

CSS

Style attributes in visual components (buttons, list boxes, and so on) are
controlled by component properties. For example, a button component has a
fontFamily property that you use to set the font. Style properties are controlled
by a theme, by styles defined in a CSS file, by styles defined in style blocks in an
MXML file, or by setting individual style properties in the component instance itself.

Graphic assets

Like most applications, Flex applications contain a variety of graphic assets such as
icons and other images.

Data

Some components are used to display data (a combo box or data grid for example)
and you can populate these components with data by using arrays, collection objects,
data models, external XML data sources, and so on.

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One Response to Description of Basic elements of a Flex application.

  1. […] Description of Basic elements of a Flex application. […]

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