📅  最后修改于: 2022-03-11 15:01:03.484000             🧑  作者: Mango
func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer,
shouldRequireFailureOf otherGestureRecognizer: UIGestureRecognizer) -> Bool {
// Don't recognize a single tap until a double-tap fails.
if gestureRecognizer == self.tapGesture &&
otherGestureRecognizer == self.doubleTapGesture {
return true
}
return false
}