code: public static void canShowMessageCenter(BooleanCallback callback) {
  		dispatchConversationTask(new ConversationDispatchTask(callback, DispatchQueue.mainQueue()) {
  			@Override
  			protected boolean execute(Conversation conversation) {
  				return ApptentiveInternal.canShowMessageCenterInternal(conversation);
  			}
  		}, "check message center availability");
  	}
docs: Our SDK must connect to our server at least once to download initial configuration for Message
  Center. Call this method to see whether or not Message Center can be displayed. This task is
  performed asynchronously.
  
  @param callback Called after we check to see if Message Center can be displayed, but before it
  is displayed. Called with true if an Interaction will be displayed, else false.