addGestureRecognizer(_:)
Attaches a gesture recognizer to the view.
Declaration
func addGestureRecognizer(_ gestureRecognizer: UIGestureRecognizer)Parameters
- gestureRecognizer:
An object whose class descends from the Uigesturerecognizer class. This parameter must not be
nil.
Mentioned in
Discussion
Attaching a gesture recognizer to a view defines the scope of the represented gesture, causing it to receive touches hit-tested to that view and all of its subviews. The view establishes a strong reference to the gesture recognizer.