half open scrolling issue

[kamal3634]

when search view controller is half opened the scorlling is not working.
I have also used
func gestureRecognizer(gestureRecognizer: UIGestureRecognizer, shouldRecognizeSimultaneouslyWithGestureRecognizer otherGestureRecognizer: UIGestureRecognizer) -> Bool {
return true
}

but not works.
Please help