Tuesday, 25 December 2012

Status 2012-12-25

Christmas Day it is, now, here in the UK. Merry Christmas to all!

Work is in progress on the first Android app that I intend to publish. It's going to provide you with a moving map from the GPS of your device, and allow you to select from the nearest airports so that you can navigate towards them. It will of course show you ground speed, GPS altitude (note that this is not the same as barometric altitude) and the bearing of the track made good. It will also provide an indication of how accurate the GPS signal report indicates it is. If you are tracking towards an aerodrome, it will provide a means of providing horizontal guidance.

I have algorithms in place that will calculate great circle distances and bearings and sort the nearest aerodromes to any given point on the surface of the earth in order of nearness. I need to implement a graphical display and a means of selecting the aerodrome to which you wish to navigate.

I will be testing with two devices: an Orange San Francisco (aka ZTE Blade) running Cyanogenmod 7.1 (Android 2.3.7) and my Christmas present, a Nexus 7. As a sole trader with no capital behind me, obviously I can't provide any more testing than that.

This may not seem like much. I have many more ideas, but I must start somewhere! This type of application is quite complex, and there are so many variants of Android that have to be considered; the main problem is different screen sizes and resolutions. I want to get something out there that will immediately be useful to people, so that is my current goal.

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