UITapGestureRecognizer tap on self.view but ignore subviews

Question

I need to implement a feature that will invoke some code when I double tap on the self.view (view of UIViewCotroller). But the problem that I have other UI obje

Answer 1

Note that the gestureRecognizer API has changed to:

gestureRecognizer(_:shouldReceive:)

Take particular note of the underscore (skip) indicator for the first parameter's external label.

Using many of the examples provided above, I was not receiving the event. Below is a an example that works for current versions of Swift (3+).

public func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldReceive touch: UITouch) -> Bool {
    var shouldReceive = false
    if let clickedView = touch.view {
        if clickedView == self.view {
            shouldReceive = true;
        }
    }
    return shouldReceive
}