AGPS does NOT use wifi and cell tower 
locations. http://en.wikipedia.org/wiki/Assisted_GPS

On Sunday, March 10, 2013 8:33:05 AM UTC-4, dashman wrote:
>
> Looks like AGPS uses WIFI and cell-phone tower locations.
>
> The problem for my app is that I don't necessarily have access
> to data service - so AGPS will not work.
>
> Even though I want to do want AGPS does - i.e. provide a 
> start location for getting satellite queries. But my understanding
> is that API is not available.
>
>
> The real problem I have is that I allow users to 
> shut the screen off to save batteries and I stop the gps listeners.
>
> Then onResume(), I enable the listeners - and it's here where
> the lock time is too much.
>
> Option #2. How about I NOT disable the listeners on onPause() -
> but set the listener to every minute.
>
> I would think that would help maintain the lock.
>
> It would save the battery with the screen off. and maybe some
> batteries wiith the gps being queried less often now. not sure
> of the latter though.
>
>
>
>
>
>
>  
>

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