Tap-Gesture-Replicator.swift

class TapGestureReplicator:UIGestureRecognizer {
    
    override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent) {
        // Checking the count of touches . 
        // If number of finger used in gesture is not equal to one , then gesture should fail.
        guard touches.count == 1 , let _ = touches.first else {
            self.state = .failed
            return
        }
        self.state = .began
    }
    
    override func touchesEnded(_ touches: Set<UITouch>, with event: UIEvent) {
        guard touches.count == 1 , let _ = touches.first else {
            self.state = .failed
            return
        }
        self.state = .ended
    }
    
}