I'm developing an application that uses custom annotationview pins on a map. The head of the pin is a button that dynamically resizes. I'm pretty new to swift and noticed that the button only register...

I am freehand drawing a UIBezierPath but now I want to be able to erase the lines I previously drawn. Does anyone have any suggestions on how to do that? @objc private func didPanWhiteboard(_ gesture:...

Bit stumped here. First of all, here is what's going on: As you can see, my ball is not following the curved quarter-circle path exactly, but vaguely. Here is the code creating the quarter-circle (p....