The following are the various Enumeration defined and used by the Facebook iOS SDK. Please review these for full understanding of how the SDK behaves for various operations. /* * Constants used by NSNotificationCenter for active session notification */ /*! NSNotificationCenter name indicating that a new active session was set */ externNSString *const FBSessionDidSetActiveSessionNotification; /*! NSNotificationCenter name indicating that an active session was unset */ externNSString *const FBSessionDidUnsetActiveSessionNotification; /*! NSNotificationCenter name indicating that the active session is open */ externNSString *const FBSessionDidBecomeOpenActiveSessionNotification; /*! NSNotificationCenter name indicating that there is no longer an [...]
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