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Adobe Flex Modules

Have been coding in Flex for about 2 years now. It is not a perfect tool but would say one of the best to deliver browser based rich UIs - no browser quirks to deal with and very productive. The real killer is the size of the application download, can run into MBs if all the source is compiled into one big application. Modules are good to break up into smaller chunks. But still the base application still comes to 300K with just the framework code. And then there is the issue of Singleton classes not really singletons across modules. So we end up including all such classes into the main application. Compiling with RSLs has got even the initial application size from 300K to about 100K, pretty the size of a mid-size module. So that's another option to work with.


Good thing is all flex application modules get cached on the browser just like images so users see near instant responses once the modules are loaded. Then it comes to application code, both client and server to dictate the response times. Will share the findings and tuning techniques in the next post.

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