Static GCKeyboardDidConnectNotification 

pub unsafe static GCKeyboardDidConnectNotification: &'static NSString

Available on crate feature GCKeyboard only.

Use these constants with NSNotificationCenter to listen to connection and disconnection events

Use GCKeyboardDidConnectNotification for observing keyboard connection Use GCKeyboardDidDisconnectNotification for observing keyboard disconnection

The ‘object’ property of the notification will contain the GCKeyboard that was connected or disconnected.

See: NSNotificationCetner

Note: All connected keyboards are coalesced into one keyboard object, so notification about connection/disconnection will only be delivered once until last keyboard disconnects.

See also Apple’s documentation