title: How do I know if cellular access for my iOS app is disabled?
body: <p>I have an iOS app that makes some small network requests on app launch (resource updates, etc).  If the user turns off cellular access for the app in iOS Settings, they get a prompt from iOS about network usage every time they launch.  Is there a way to know programmatically that cellular data for this app has been disabled, so that I can disable the requests at startup?</p>