WatchConnectivity Changes for Objective-C WatchConnectivity WCError.h Added WCErrorCodeSessionInactive Added WCErrorCodeTransferTimedOut WCSession.h Added WCSession.activationState Added -[WCSessionDelegate session:activationDidCompleteWithState:error:] Added WCSessionActivationState Added WCSessionActivationStateActivated Added WCSessionActivationStateInactive Added WCSessionActivationStateNotActivated