Archive for December, 2009

0.4.5 – AppToDate and some power tweaks!

Hi Again

Back again with some fixes rather than new functions.

I’ve tried to add to navmi:
- AppToDate support (see and for more information)
- some tweaks for power control – especially on HDC WinMo devices.

Thanks again all for the feedback – it all helps to keep making navmi better :)

Back from skiing – and a new release

0.4.4 is now available.

Minor changes made are:
- some protection on the course/filename dialog – no longer able to crash the app by choosing an empty course name
- some additional protection added on , versus . string representations of numbers (I hope!) – so KML and GPX exports should now work on , based number locales
- lots of overhaul in the way the UI is displayed – especially to allow app minimisation support – this is mainly for the Samsung Omnia at present – need to understand more about button mappings on other devices!
- use of external photo album viewer on Samsung Omnia device.

And here’s one of my traces from skiing:

Tignes GPS testing!

Next week we’re going to Tignes to do some serious testing.

In preparation for this, we’ve downloaded the OpenPisteMap maps for the area – here they are inside Navmi:
Tignes Testing

There’s lots of snow there – but it is going to be cold!

Can’t wait :)

It snowed – so we took 0.4.3 out for a run

It snowed in London!

So it was the perfect opportunity to take 0.4.3 out for some GPS and photo action

Before the activity:
Prompt's ScreenHow To Take Photos

Reviewing the activity on the phone:
Today's ActivityToday's MapPhotoViewer

Reviewing the activity on runsaturday:

Happy Christmas all!

0.4.3 – waypoints export

Not a huge increment to last night – just some minor additions:

Release notes:

  • Minor fix to map scale display
  • Kml and GPX exports will now contain named waypoints
  • When you use Navmi with “named waypoints” then this only applies to manual laps – not auto-laps

Tested it in the snow today – worked well!

0.4.2 – cameras, named waypoints, a new color picker, and that dashboard

There’s a draft drop of 0.4.2 up on

In this version:
- the new speedometer dashboard display
- a new colour picker to help you choose colours (this still needs work!)
- the option to name your lap points
- the option to take photos during your route
- some UI tweaks
– e.g. the main action screens can be scrolled using left/right “swipe” gestures
– e.g. the map itself can be “locked” – so that the current GPS position will stay in the centre
- hopefully not many new bugs… (only one spotted so far is a minor problem on the map scale)

Please note that the photo functionality at this stage is “beta” – the viewer only supports small files for now (full display to follow later), there’s no photo upload, and there is no EXIF based geo-tagging at present – if you want this, then you may be able to add this yourselves dependent on your phone’s camera and GPS setup.

Much more will follow next decade!

A dashboard for your bike

Coming in 0.4 – probably sometime this evening – dependent on some bug fix information…

The main new feature is….



dashboard - alternative colour

dashboard - alternative colour

I wonder if this is actually more useful than just displaying a number…

navmi 0.3 screen shot

Current Direction Screenshot

Current Direction Screenshot

navmi 0.3

I’m very proud today to release another build into the wild – navmi 0.3.

I’m quite embarrassed by one of the bugs that had snuck previously through testing – a problem with knots and kmh – many apologies for this – and thanks especially to matthieu60 for helping to identify and fix it!

If you spot any problems, please let me know – sooner they are fixed the better.

The main changes in 0.3 are:
- we’ve completely rewritten the mapping engine – that was a long night, but hopefully will result in memory savings, in performance improvements and in quite a few bug fixes.
- we’ve added the direction arrow to the map display (it makes a lot more sense on the map than it does on the details screen – where it is often confused with a compass)
- we’ve changed the default colours (and the default colors too!)
- we’ve modified the speed smoothing algorithm – this looks good so far – but is an ongoing process – we want to find a happy balance between a responsive speedometer and something that doesn’t fly off the scale during short GPS outages.
- we’ve tried to help prevent freezes caused by incorrect GPS settings – let us know if these work at all…
- we’ve tried to put some functionality in to prevent a horrible GPS spike issue we’ve seen once in testing – where a 0,0 lat-lng pair snuck into the processing pipeline. Investigation into this problem still goes on!

We’re hopeful this will be the last release for a few weeks now – as we intend to take navmi off to the slopes for some ski testing [big smile]

Download is here:

More screenshots to follow later (probably!)

Thanks for all the great feedback so far – there’s lots more to come!

  • screenshots

    activitychart directioncompass2 detail activitymap blues navmimain
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