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Flex RSL


Application inludes many RSL's and on load is taking a while . The same scenario happens on deleting flash cache ( where RSL's are loaded again) .  Is there any way to load RSL's on demand or to decreases load time of application.

2) resource modules and styles modules are also loaded simultaneously. Does it impact on load time?

Please share your thoughts the ways to decrease the load time and to improve application performance
2 Solutions
We have two types of RSL

1) Adobe SDK RSL (SWZ) format http://livedocs.adobe.com/flex/3/html/rsl_09.html
2) Application, Module and runtime CSS http://livedocs.adobe.com/flex/3/html/help.html?content=building_overview_5.html

The Adobe SDK will shared by default as soon as you will load new SDK.
But Runtime RSL you have to cache by setting Header Expariariotion time stamp

By you need be sure your Adobe settings allowing for caching


Well Adobe offers normal rsls (ending swf) and signed rsls (ending swz). The cool thing with signed RSLs are that they are signed with an official Adobe Certificate and the FlashPlayer trusts this certificate and installs the swzs on the clients system. Ideally you only have to load the Flex swzs for a given SDK version only once and the libs are reused the next time the user comes, because they are installed on the client. Even clearing the cache doesn't remove them. Using Unsigned RSLs makes the client have to load them again after clearing the cache.
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