Tells the gesture recognizer to ignore a specific touch of the given event.
- iOS 3.2+
- Mac Catalyst 13.0+
- tvOS 9.0+
UITouch object that is part of the current multi-touch sequence and associated with
UIEvent object that includes a reference to
If a touch isn't part of this gesture you may pass it to this method, causing it to be ignored.
UIGestureRecognizer does not cancel ignored touches on the associated view. This method is intended to be called, not overridden.
Methods for Subclasses
Sent to the gesture recognizer when the estimated properties for a touch have changed so that they are no longer estimated, or an update is no longer expected.
Overridden to reset internal state when a gesture recognition attempt completes.