Version 2.2, 2010-07-20
Updated for iOS 4.0
(Full Revision History)
Mac OS X 10.6, Xcode 3.2.3, iOS 4.0
Mac OS X 10.6, iOS 3.2
The Reachability sample application demonstrates how to use the SystemConfiguration framework to monitor the network state of an iPhone or iPod touch. In particular, it demonstrates how to know when IP can be routed and when traffic will be routed through a Wireless Wide Area Network (WWAN) interface such as EDGE or 3G.
© 2010 Apple Inc. All Rights Reserved. (Last updated: 2010-07-20)