Breaking New Ground

Breaking New Ground

After nearly three years with itemis I decided to found my own startup and to create a product in the mobile area. I like to think back of the awesome time with the Xtext team and later ...

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Publications in current issues of PAGE magazine and mobile business

Publications in current issues of PAGE magazine and mobile business

The German print magazines PAGE 5.11 and mobile business 03.11 both share some of my ideas about mobile development in general, web vs. native, and how designers and developers can work hand in hand to produce a ...

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Live Recording: Cross-Platform Mobile Development for iPhone, Android & Co. at MobileTech Conference

Live Recording: Cross-Platform Mobile Development for iPhone, Android & Co. at MobileTech Conference

Next week, the German MobileTech Conference 2011 (Spring Edition) will take place in Munich and features three fully-packed days of sessions and workshops around mobile development and marketing. Being still in California, I won't speak this year ...

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Retrospection: Cross-Platform Mobile Development at EclipseCon

Retrospection: Cross-Platform Mobile Development at EclipseCon

Yesterday, Peter and I talked about "Cross-Platform Mobile Development with Eclipse" at EclipseCon in Santa Clara. After some conceptual slides telling about the difficulties one face when targeting different platforms (in our case iPhone, Android, Windows Phone ...

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“What is EclipseCon?”

“What is EclipseCon?”

In a few hours from now, I will be on my flight towards this year's EclipseCon in Santa Clara. Similar to my blitz talk last year, I am going to talk about mobile development based on domain-specific ...

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Your List of Wishes for the EclipseCon (iPhone|Android|.*?) App

Your List of Wishes for the EclipseCon (iPhone|Android|.*?) App

Three 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 ...

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Cross-Platform App Development for iPhone, Android & Co. — A Comparison I Presented at MobileTechCon 2010

Cross-Platform App Development for iPhone, Android & Co. — A Comparison I Presented at MobileTechCon 2010

Last 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 ...

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Books you should read to learn iPhone app development

Books you should read to learn iPhone app development

Every 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 ...

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Video Compositing on the iPhone: OpenGL with alpha mask on top of a full motion video

Video Compositing on the iPhone: OpenGL with alpha mask on top of a full motion video

During 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 ...

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Psychologically Tricked: Perceived Speed in an iPhone Game

Psychologically Tricked: Perceived Speed in an iPhone Game

In 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 ...

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