TreKing - i have nerrowed down the problem and its with GPS location. Here 
is the code which is not working:

_locationManager = (LocationManager) 
getSystemService(Context.LOCATION_SERVICE);
Criteria criteria = new Criteria();
_provider = _locationManager.getBestProvider(criteria, false);
_location = _locationManager.getLastKnownLocation(_provider);

Variable _location is set to null when i test on other device than the 
one(galaxy s3) i used to developed the app. My understanding is that above 
code should work on any GPS enabled android device. Any insight why it is 
not working on device other than my development device?

On Saturday, June 28, 2014 10:03:13 AM UTC-4, TreKing wrote:
>
>
> On Fri, Jun 27, 2014 at 11:39 PM, Spica <[email protected] <javascript:>> 
> wrote:
>
>> Any idea why it is not working on all the android devices?
>
>
> Because you didn't test and account for all android devices.
>
> If you want a better answer than that, you need to provide a better 
> question than this. For example, explaining what "not working" or "failing" 
> means would help the rest of us who have no idea what you're talking about.
>
> http://www.catb.org/esr/faqs/smart-questions.html
>
>
> -------------------------------------------------------------------------------------------------
> TreKing <http://sites.google.com/site/rezmobileapps/treking> - Chicago 
> transit tracking app for Android-powered devices
>  

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