UIButton glow effect

问题

I need some help with UIButtons,

I was wondering how to get the glow effect that I set with the code below to respond to where the touch is.

[C setShowsTouchWhenHighlighted:YES];

The idea is that when the button is touched it will follow where the touch is.

回答1:

You have to do this yourself. Load a glow png into a UIImageView and add it into the view hierarchy. Then set the view's position based on touches.

http://i.imgur.com/RS2kQ.png

来源：https://stackoverflow.com/questions/8203571/uibutton-glow-effect