My iPad Pro app supports Apple Pencil using ‘if touch.type == .pencil’. I previously used the term ‘.stylus’ but I read it has been deprecated.   I have a customer who wants to use a 3rd party stylus.   How do I support input from…

Other than pass by value vs pass by reference, what are the differences between structs and classes? Also, are there any cases where using one would be more advantageous than the other, and if so, when? Powered by WPeMatico

After updating OS and Xcode I get errors from external librarys. The initial error is:   ‘keyboardWillShowNotification’ has been renamed to ‘NSNotification.Name.UIKeyboardWillShow’  – Replace ‘keyboardWillShowNotification’ with ‘NSNotification.Name.UIKeyboardWillShow’        If I do what Xcode wants, I get a new error:   Type ‘UIResponder’ has no member…