This may have something to do with the Map API key.  I would re-generate 
that and use your key in a separate program that you know already works. If 
it fails, and the only thing you have changed is the key, then I would 
assume that's your problem.  If it works, then lets take a look at your 
code.

On Monday, August 18, 2014 9:08:32 AM UTC-4, dvalts wrote:
>
> Hello, i have tried few days to implement maps with API v2 in my 
> application.
> I have added every permission enabled every API, but don't have any 
> success.
>
> I'm stuck on this "*Failed to load map. Error contacting Google servers. 
> This is probably an authentication issue (but could be due to network 
> errors).*", is there any way to find out what exactly went wrong, some 
> logs on API side in my account or anything that could help?
> I have regenerated my (debug) API key 4 times, does my API account has to 
> mach Google account that is registered with application?
> Another strange thing in logcat is this : "Google Maps Android API(23503): 
> Google Play services client version: 4452000" and few lines later "Google 
> Maps Android API(23503): Google Play services package version: 5089038"
> Why two versions ?
>
>

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