Author Archive
Repair Broken RSS/ATOM with The Feed Sanitizer
March 7, 2011 No CommentsWeb feeds are a standardized yet widely underestimated way to attach software systems to content providers. You can both bind a news portal of any publisher to you very own piece of software or aggregate and filter ...
Ge.tt – The Superior Online File Sharing Alternative to Our Departed Drop.io
February 27, 2011 No CommentsWhen Drop.io had been purchased (read: shut down) by Facebook last October a great way of sharing files disappeared without any equally simple alternative. Times have changed and free services such as Crate, Senduit, DropSend, or Box.net ...
pyKeynoteTweet: Participate in your Twitter backchannel while presenting with Keynote
January 31, 2011 1 CommentSocial media like Twitter and Facebook have changed the way we interact at technical conferences. You might have noticed that people are using their mobile devices and laptops quite a lot when attending sessions. In fact, they're ...
Your List of Wishes for the EclipseCon (iPhone|Android|.*?) App
November 26, 2010 5 CommentsThree weeks ago, the mobile conference app we built at itemis mobile helped many attendees to keep track of their personal schedule at Eclipse Summit Europe 2010. With three different versions we not only addressed the Android and iPhone ...
Cross-Platform App Development for iPhone, Android & Co. — A Comparison I Presented at MobileTechCon 2010
October 11, 2010 16 CommentsLast month, I gave a presentation about cross-platform app development at MobileTechCon in Mainz, Germany. Several attendees asked for for the slides (now available on SlideShare) and since I promised to deliver links to the presented technologies and demos ...
Books you should read to learn iPhone app development
August 20, 2010 2 CommentsEvery now and then, people ask me which books they should read after they had dug into Apple's official material on the iPhone Dev Center. Whereas starters want a big picture (A) instead of losely stitched articles, more ...
Video Compositing on the iPhone: OpenGL with alpha mask on top of a full motion video
July 7, 2010 9 CommentsDuring the iPhone game project I have written about before we had to implement a highly dynamic 3D scene in great detail here at itemis. From a third-person perspective, the player looks at a semi-transparent ball rolling ...
Psychologically Tricked: Perceived Speed in an iPhone Game
June 3, 2010 2 CommentsIn a recent iPhone game project I was involved with at itemis the player had to gain speed by tapping on the touch screen. Several game elements conveyed the impression of acceleration to motivate the player achieving ...
Preview your photoshop design directly on the iPhone/iPad
May 7, 2010 No CommentsToo many screen designers are not yet familiar with mobile touch screens. There, you have to look carefully for buttons large enough to hit with your thumb, fonts that are readable on the go and colors that ...
Let’s get naked
April 9, 2010 4 CommentsToday is CSS Naked Day 2010, hopefully many websites will participate and deactivate their styling as I did with this blog. The idea behind CSSND is to promote web standards and proper, semantic markup. [caption id="attachment_1012" align="aligncenter" width="400" ...
Heiko Behrens
is a programmer, author, and public speaker with more than a decade of commercial software development, technical writing, and on-stage presentation experience. As an active committer at Eclipse and as an involved participant in numerous other open source projects, he has in-depth experience in a broad range of technologies. His startup BeamApp, still in stealth mode, is focussed on mobile application development, both native cross-platform and web-based.
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