As you know, location updates are requested from LocationProvider.
If you use NetworkProvider then GPS is not turned on.
The rest is in technical details which you should get from the
documentation (probably iPhone does it all by itself but in case of
Android some technical boring reading is required ;)
http://developer.android.com/reference/android/location/LocationManager.html#NETWORK_PROVIDER

On Nov 17, 11:36 am, victor lima <[email protected]> wrote:
> http://en.wikipedia.org/wiki/Geofence
>
> How would I go about doing a geofence characteristic in my android
> app? I dont want to be pooling the GPS hardware for location, and then
> making some calculations to see if the current lat/lng location is
> inside ( or not ) a delimited area. On iPhone ( dont know if I can
> mention iphone here ;)) I can use some system API to notify me upon
> entering/leaving a certain region that I had pre-determined in my
> app... Is there anything that relates to that? How does android apps
> do it? ;)
>
> Thanks in advance,
> Victor Lima

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