Is it possible to differentiate between a long press and a tap on a button?

Question

Can we call different actions / delegates in response to the two different events of

1. A tap on a UIButton
2. A tap-and-hold on a UIButton

Answer 1

Brad Larson's answer looks pretty good but here's another one that might give you a bit more flexibility/control of what you want or might want to do.

You subclass UIButton, you override the touchesBegan and touchesEnded methods so that when the user starts a touch you call

[self performSelector:@selector(detecetedLongTap) withObject:nil afterDelay:1.0];

and in the touchesEnded you call:

[NSObject cancelPreviousPerformRequestsWithTarget:self selector:@selector(detecetedLongTap) object:nil];

to cancel the event if the finger was lifted too soon.

You can get full code for this in this blog post:

http://www.isignmeout.com/adding-long-tap-functionality-uibutton/