I have a view which looks like this:

I implemented this view with two horizontal uitableview. So all promotions under certain category actually is in a table view which allow user to swipe left and right to change category. On the left top there is a button which opens a side view. Now I want to add a screen edge gesture to open the side view but it seems the screen edge gesture conflicts with the table view scrolling gesture.
So where should I do if I want to implement the screen edge gesture without disabling tableview's scroll gesture?
Thanks!