On 1 Feb 2012, at 2:09 AM, John Michael Zorko wrote:
> This app requires location services -- the client does not want the app to
> perform it is function if it detects that it's somewhere it's not supposed to
> be. Is it possible for the app to somehow detect when the iOS-supplied alert
> has been dismissed, so it can do it's CL check in case the user tapped "Don't
> Allow"?
Checking for Core Location, only once, in advance of need, is probably the
wrong approach. The user could authorize or deauthorize CL at times other than
the moment your application happens to load. Make yourself the delegate of the
shared CLLocationManager, and listen for
locationManager:didChangeAuthorizationStatus:.
If you don't have CL, disable the functions you want to restrict, even if that
means putting a 50% alpha black mask over the whole screen, preferably with a
button to show an explanation of why the app is crippled. Respond (don't
assume) when CL comes back or goes away.
— F
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