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Re: GPS Requires Network??

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From	Tom Anderson <twic@urchin.earth.li>
Newsgroups	comp.lang.java.programmer
Subject	Re: GPS Requires Network??
Date	Wed, 30 Mar 2011 00:48:47 +0100
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On Tue, 29 Mar 2011, Lawrence D'Oliveiro wrote:

> I wrote a simple test program to dump out info about all the
> LocationProviders on my HTC Desire (Android 2.2) as per these calls
> <http://developer.android.com/reference/android/location/LocationProvider.html>.
>
> For the GPS provider, requiresSatellite() returns true as you would expect.
> But so does requiresNetwork()!
>
> Why would GPS require a network connection?

I think you have your answer to this, but i'll add another point - there 
may be supplementary information that the phone can obtain from the 
network to improve its GPS performance:

http://en.wikipedia.org/wiki/Assisted_GPS

GPS would still work without network access, but be less accurate or 
slower to fix.

tom

-- 
Ensure a star-man is never constructed!

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Re: GPS Requires Network?? Tom Anderson <twic@urchin.earth.li> - 2011-03-30 00:48 +0100

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