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John Portnov wrote: This code does not work for me. I created a new website and a C# console applic...


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Flex 2: Large Applications for Impatient Developers
Would you wait for more than ten seconds for a build to finish?

From Farata Systems Flexblog

About a half year ago I made few comments in a Flex mailing list regarding tricks I like to use when developing large Flex 2 applications. SInce then I have been receiving steady stream of emails - once every week in the beginning, up to few per days lately. They are asking for information from the upcoming RIA book we are writing.  Apparently, there are quite a few developers that a) become impatient if the build takes more then 5 seconds, and  b) are concerned that their application will be delivered to the users with similar attention span that could walk away in 10 seconds  or less - regardles of the artwork in the progress meter.

That pretty much forces developers to break the applications in the manner similar to the current generation of loosely  applications:

  • application has to use RSL methodology to speed up development and minimize linkage time 
  • bootstrap application has to be kept to bare minimum - just initialize global managers and list common runtime libraries - to keep “rebuild” time low and initial load fast
  • optimized runtime libraries - while it is tempting to load complete  framework SWC with every application, it would amount to extra 500-600KB on the initial download - better managememt via automatic extract to shared RSL is required
  • application should make use of automatic download of “pages” - essentially parts of application that are either optional or independent or can be customized/added due to subscription /security.

Given those requirements the book talks about static linkage of Flex applications (unlike classical environments that compile everything and then link object modules Flex starts from the “application” and pools necessary resources via sophisticated linker/preprocessor/compiler/optimizer/packager workflow. The book describes the differences between MXML and ActionScript applications, differences between compile-time and run-time linkage, class loading, self-initialization of dynamically loaded SWFs, and other small details that you only need to know when your application grows over 10-15 screens /1MB of statically linked SWF.



About Anatole Tartakovsky
Anatole Tartakovsky is a Managing Principal of Farata Systems. He's responsible for creation of frameworks and reusable components. Anatole authored number of books and articles on AJAX, XML, Internet and client-server technologies. He holds an MS in mathematics. You can reach him at atartakovsky@faratasystems.com

YOUR FEEDBACK
nuckelhed wrote: no kidding...what a joke
frank wrote: volume controls to scroll? did you also want a rotary dial to manually input numbers?!
Pondyian wrote: Stupidest article I have ever read
shea wrote: sounds like the iphone ain't the phone for you moron. Pick a new phone and move on.
Alex wrote: Joke of an article. First of all it is ILLEGAL and more importantly dangerous to drive and text. If you are so desperate to check your voice mail just hold down the #"1" key to enter voicemail. I hope you are driving where I live, idiot. Secondarily, the ipod portion of the iphone works. I routinely use my iphone ipod function when I run. Please don't use the iphone. Use the other junk phones on the market and if you text and drive, make sure you are on a country road and drive yourself into a pole.
Mike K. wrote: I realize the author is not alone, but it scares me to think that people actually think it is ok to text or look at a web site while driving. Virtual Keyboard or no virtual keyboard.
LATEST FLEX STORIES & POSTS
Red Hat CTO Brian Stevens, Citrix CTO Simon Crosby, Egenera CTO Pete Manca, Allen Stewart, Group Manager, Windows Virtualization at Microsoft, and Brian Duckering, Sr. Director of Products and Alliances at Symantec were the top industry executives who joined Jeremy Geelan in the 4th Fl...
I have recently released a new benchmark called GUIMark. GUIMark is kinda like an Acid3 test on speed that’s geared towards RIA technologies. The goal was to figure out how to implement a reference design in different runtimes and then benchmark how smoothly that design could be anim...
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Mike Neil is general manager for virtualization strategy in the Windows Server Division at Microsoft. Mike is focused on the delivery of the Windows virtualization technology, including Windows Server 2008 Hyper-V, Microsoft Hyper-V Server and Virtual PC 2007. Mike also directs the tec...
Two of the biggest launches in Rich Internet Application history took place in 2007/2008 when Adobe launched AIR 1.0 in February '08 and Microsoft launched Silverlight (September '07). At the 6th International AJAXWorld RIA Conference & Expo in October SYS-CON Events is delighted to be...
I'd like to share with you my experience of working with LiveCycle ES 8.2. This strong player in the BPM space version has been released in July of 2008.
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