ArcGIS API for flex-1. Overview

[Environment] ArcGIS Server 9.3, ArcGIS API for flex 1.0 Beta, Adobe Flex builder 3

ArcGIS recently launched the flex API, mainly for RIA development based on ArcGIS Server. RIA has become increasingly popular recently, and flex/flash is an absolute leader in the RIA field. At this time, ArcGIS launched the flex API too naturally.

If you do not know much about flex, you may know Adobe Flash. As a required plug-in currently supported by major browsers, flash occupies 98% of the market share of Web browsing. Flash can integrate various resources such as images, audios, videos, vector pictures, and animations, and provide good interaction. Therefore, it can provide users with a good experience on the browser. This is why flash is popular.

Flex is Adobe's latest SDK designed to help programmers develop flash. You know, the concepts of video editing and timeline in Flash are all well-known to animation artists, but they are quite different from the programmer's thinking. Therefore, Adobe has released flex, a tool that can be programmed using XML and ActionScript (which also exists in Flash. Of course, flash can do what FLEX can do. Flex is like a workshop. Working in the workshop allows you to smoothly produce flash (*. SWF). Besides, this work is not complicated.

In Flex and flash, the main development language is ActionScript (hereinafter referred to as). It is a script language similar to the syntax structure and JavaScript, and it is also the fundamental method for controlling flash. In fact, flex only needs to work as. The mxml provided by Flex is just a tool for developers to facilitate layout and rapid development. The mxml file is eventually compiled into an As script and executed in flash.

What can ArcGIS API for Flex (Flex API) Help you do? In fact, this API exists in the form of a flex component library. When you add a flex API to your flex project, you can drag a flex control to your application just like developing a desktop program, and perform GIS operations with some simple settings: browsing, querying ...... You can imagine that you are using arcengine for development ......