How to recognize oneTap/doubleTap at moment?

Question

I Know filtering oneTap/doubleTap using a Apple API. code are follows.

UITapGestureRecognizer *doubleTapGestureRecognizer = [[UITapGestureRecognizer alloc]
          


        

Answer 1

Swift 3.1 version of eladleb's answer.

override func touchesBegan(_ touches: Set, with event: UIEvent) {
        super.touchesBegan(touches, with: event)

        DispatchQueue.main.asyncAfter(deadline: .now() + 0.3) { [weak self] in
            if self?.state != .recognized {
                self?.state = .failed
            }
        }
    }