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Introduction to Flex

Flex usually refers to AdobeFlex, which was first released by Macromedia in March 2004. based on its proprietary MacromediaFlash platform, it is a series of technology combinations that support the development and deployment of RIA (RichInternetApplications). Another meaning of Flex is a tool that generates scanners that can recognize lexical patterns in text.

Flex application development steps

The following is derived directly from Flex2.0Beta3 's help file:

◆ uses a system predefined component (windows, buttons, etc.) to define a development interface.

◆ organizes and arranges components, and now user-defined interface design.

◆ uses styles and themes to define visible designs.

◆ adds dynamic actions, such as interaction between applications.

◆ defines and connects to the last data service as needed.

◆ generates a SWF file that runs in the Flash player from the source code.

Technical Framework of Flex

Flex technology includes the following main technical frameworks:

1. XML language (MXML) that describes the application interface

two。 Scripting language (ActionScript) that conforms to the ECMA specification, handles user and system events, and builds complex data models

3. A basic class library

4. Real-time services at run time

5. A compiler that generates swf files from MXML and ActionScript files.

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