How to pass userInfo in NSNotification?

Question

I am trying to send some data using NSNotification but get stuck. Here is my code:

// Posting Notification
NSDictionary *orientationData;
if(iFromInterfaceOr         


        

Answer 1

Your selector must have : to accept parameters.
e.g.

@selector(orientationChanged:)

then in the method declaration it can accept the NSNotification parameter.