January 2008
Intermediate to advanced
232 pages
6h 5m
English
Overview
Defining your own custom components has several benefits. One advantage is that components let you divide your applications into modules that you can develop and maintain separately. By implementing commonly used logic within custom components, you can also build a suite of reusable components that you can share among multiple Flex applications.
Also, you can extend the Flex class hierarchy to base your custom components on the set of predefined Flex components. You can create custom versions of Flex visual controls, as well as custom versions of nonvisual components, such as validators, formatters, and effects.
You can build an entire Flex application in a single MXML file that contains both your MXML code and any supporting ActionScript code. As your application gets larger, your single file also grows in size and complexity. This type of application would soon become difficult to understand and debug, and very difficult for multiple developers to work on simultaneously.
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