Question

I have to create a very simple GUI for an iPad application.

I have a 1024×768 png and I want to use this file for the GUI. I have to make an area of this png tappable and able to run some action. This area is not a rectangle (it’s a trapezoid) so I can’t create a button. Is it possible somehow?

Answer 1

you can do it in code by overriding - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event and - (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event in the view that’s displaying the image. that’ll mean you have to decide whether a point is within the touch area of the image.