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Presentation: Rich Internet Applications with Flex and AIR

by Ryan Slobojan on Jan 31, 2008 | NOTICE: The next QCon is in London Mar 2-6, Join us!

In this presentation from QCon San Francisco, Adobe Senior Technical Evangelist Cristophe Coenraets discusses the benefits of Adobe Flex for Rich Internet Application (RIA) development, the API that Flex provides to developers, the new AIR runtime, and several examples of RIAs built using Flex, Flash and AIR, such as a word processor, a call center application, and a book viewer.

Watch Rich Internet Applications with Flex and AIR (61 minutes).

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I wish... by Richard Miller

I wish people would stop comparing Javascript XML parsing to Flash XML parsing. It isn't something that should be done with Javascript and I don't know of anyone who does it. This has got to be the 5th time I've heard this comparison.

Don't get me wrong, I don't have a problem with using flex as a solution to some problems. My problem is that the marketing is really misleading.

Re: I wish... by James Ward

Hi Richard,

I haven't watched the video but I was at this presentation. I'm curious what you are referring to? The performance comparison?

-James

Re: I wish... by Matt Giacomini

"My problem is that the marketing is really misleading."

Marketing is always misleading.

Re: I wish... by Tom Winkler

I like that kind of well founded conversation. THNX

Re: I wish... by Richard Miller

Yes, he refers to James Ward's site (www.jamesward.org/census/) which is a great site to look at the differences but the numbers he used were twisted like a politician would twist numbers. I'm not saying JSON is faster than flex but it isn't as dramatic as the numbers he put up would tell. I also don't blame him personally because I've seen the same comparison a few times and it would be great to see people change their slides up.

RM

P.S. I did attend and talk to him after the presentation. He just referred me to the website :(

Re: I wish... by James Ward

Hi Richard,

I built the Census RIA Benchmark that Christophe uses. And like all benchmarks, take them with a grain of salt because it really depends on what you are doing and how you are doing it. Some people see performance improvements better than the numbers Christophe shows while others do not. I usually recommend that people take the Census tests and alter them to be more like their particular scenario. There are many factors which impact performance and hopefully my Census benchmark helps people to better understand how those factors will impact the performance of their application.

-James

Re: I wish... by Richard Miller

The site is extremely useful and I really appreciate you putting the numbers together. I find the numbers to be pretty close to real life and a real eye opener to how poorly javascript performs under load while parsing xml. Keep up the good work!

RM

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