From Making a Gesture-Driven To-Do List App Like Clear in Swift: Part 1/2
override func gestureRecognizerShouldBegin(gestureRecognizer: UIGestureRecognizer) -> Bool {
if let panGestureRecognizer = gestureRecognizer as? UIPanGestureRecognizer {
let translation = panGestureRecognizer.translationInView(superview!)
if fabs(translation.x) > fabs(translation.y) {
return true
}
return false
}
return false
}
