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// Understanding Flex
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Flex is designed for developers who want to get a working Web-based mapping application up and running very quickly without spending a significant（当数量的；意义重大的；意味深长的） amount of time developing code. With the ArcGIS API for Flex, ArcGIS users can develop custom applications by integrating ArcGIS Server maps and Web services inside Adobe Flash Builder.
This section introduces the basics of Flex to help you begin working with the ArcGIS API for Flex.
- Learn about Flex language in Using MXML and ActionScript.
- Discover the building blocks of Flex in Flex events and Flex components.
- Find useful information on the component life cycle.
Flex 是为想要获取一个基于网络的的地图应用程序并能够很快的运行而不用花费很长的事件开发代码的用户设计。有了ArcGIS API for Flex， ArcGIS用户通过集成ArcGIS Server 地图和web 服务在Adobe Flash builder中开发自定义的应用程序。
本章主要是介绍Flex的基本概念来帮助你对ArcGIS API for Flex 入门。
在Using MXML 和 ActionScript 中学习 Flex语言。
在Flex events 和 Flex components. 中发现flex 创建的障碍
在component life cycle.中查找有用的信息。