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iPhone OS, like its much bigger sibling Mac OS X, provides a rich array of concurrency solutions for developers needing to use them. This talk will focus on using operation objects and blocks to achieve concurrency to improve perceived application performance in an iPhone application. An application with a non-responsive UI will be examined. Then the application will be changed to use operation objects. Finally blocks will be used to implement an alternative solution.

Danton Chin is a software developer focused on developing iPhone applications for fun and profit. He can be reached at danton@iphonedeveloperjournal.com and his blog is at http://iphonedeveloperjournal.com/

Daniel Cheng, Greystripe, will be presenting developer case studies showing how much ad-supported iPhone apps can earn and what types of apps do well using the advertising model. He will also share some interesting user data from Greystripe’s recently released Consumer Insights Report. Greystripe closely monitors their iPhone user base and studies how they interact with the applications in the Greystripe network in order to provide this data.

Daniel Cheng is responsible for the developer program at Greystripe with over 500 developers from top indie developers to large publishers like Electronic Arts. As a founding team member, he has been crucial to developing their ad-supported mobile application business model and helping to bring it to the mass market. He advises top 100 app developers on marketing and monetizing their apps. He has spoken at iPhone DevCamp 3 as well as numerous iPhone Meetups in the San Francisco bay area.

Greystripe is the leading rich media mobile advertising network for iPhone applications. Greystripe's product suite enables brand advertisers to communicate their brand message in a superior ad format, publishers to gain sustainable advertising revenue by serving rich media ads through their applications, and consumers get access to high quality applications for free. Greystripe is a venture funded company backed by Steamboat (Disney’s VC), Monitor and Incubic Ventures.

Julio

Intro iPhone class
September 18 in NYC
http://www.E-String.com/training

Several people have had coding/technical questions so we are going to try something a little different. There wont be a talk or presentation just people coding and trying to help each other out.

Come on by this meeting if you are working on something and have a programming question or want someone to look over an approach or someone to bounce around technical ideas.

Programmers of all experience/levels are welcome.

Let me know what you think.

Julio

iPhone classes June 18 & 19 in NYC
http://www.E-String.com/training

Its that time again. And after Introductions we'll have a a talk by Greg Yardley of Pinch Media

"AppStore Secrets - What We've Learned from 30 Million Downloads"

Greg Yardley is the co-founder & CEO of Pinch Media, a venture-backed start-up based in New York City. Pinch Analytics, Pinch Media's analytics product, is used in hundreds of iPhone applications, collectively downloaded well over thirty million times. In this presentation, Greg will present data for the first time about the AppStore in aggregate, including statistics on average application performance, thresholds for the 'top 100', 'top 25', and 'top 10' lists, and the most effective strategies for maximizing application revenue."

Afterward, I'm sure we'll have a lot of questions, 5 minute app presentations and announcements.

See you then.

Julio

iPhone developer training
http://www.E-String.com/training