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I use this solution to get latitude and longitude. It works on my main activity, but not in an other activity of my project. Do you know why ? It's a fullscreen activity which use the device camera...

gpsTracker.latitude; //Always 0

Please ask me for more detail, but maybe one of you know the problem.

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hayj
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  • Is the other activity extending your main activity? check the context and if it is being passed to other activities...or is the code called statically.... Also, please take a look at [this question too](http://stackoverflow.com/questions/23962769/android-gps-incorrect-location-data-on-query) , esp if you are using gps tracker – Pararth Jun 06 '14 at 13:38
  • It means that your device doesn't have a lastKnownLocation yet. THat class isn't really good- it hides some complexity, but does so poorly. FOr example, there's no way to verify that a valid latitude or longitude exists, or if its giving possibly stale data. I'd advise against using it. – Gabe Sechan Jun 06 '14 at 14:51

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Thank you for your comments but the solution is to use 

void android.app.Activity.runOnUiThread(Runnable action)

The class GPSTracker does not display the exception, I missed it :

Can't create handler inside thread that has not called Looper.prepare()

hayj
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