Category Archives: Articles

This contains resources for developers. This includes programming articles, software configuration articles, and software design articles.

Private Local LoRa Networks

LoRa has been getting a lot of attention lately: IBM, Cisco, and Espotel to name a few. She caught my eye early on, but I didn't really like the idea of thousands of motes broadcasting messages through transparent 'dumb' gateways to a central server in the cloud before any useful actions could be taken on...
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Game Development in Android

Thanks to everyone who attended our session on game development in Android yesterday.  Sean, Brian and I all had a great time and enjoyed the questions and interactive discussions.  If you have any other questions for us, send us an email at disgruntledrats@gmail.com. Here is a copy of the presentation we gave.  Also, the Java...
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New Android Examples Added

In preparation for the Twin Cities Java User Group Presentation on August 9th, 2011, the Disgruntled Rats have added new Android example projects to their website. Check out the following link for more information: http://www.disgruntledrats.com/?page_id=545 We will continue adding examples and content to our website that is useful to developers as time permits. Cheers and happy...
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The Quick and Dirty to OpenGL ES 2.0 on Android


This is a short article for those familiar with OpenGL's programmable pipeline and are
interested in using the OpengGL ES 2.0 API for Android development.

To use the OpenGL ES API in an Android environment you have to setup a GLSurfaceView
object, override the GLSurfaceView.Renderer, and attach the renderer to the surfaceview.
Additionally, you could extend...
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DGR will be presenting at the Twin Cities Java User Group on August 8th, 2011

The Disgruntled Rats are presenting information on game development for the Android platform. We have been working on building an Android graphics engine for over a year now and have interesting lessons to share. Everything from basic game components (sound, sprites, events) to complex calculations (AI, transformations, and physics). Also included in the presentation will...
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