Forward vertical scrolls from UIScrollView to a sibling UITableView

Question

I have a view controller with this hierarchy:

View Controller:

• UIScrollView (scrollable horizontally)
• UITableView (scrollable vertically)

Answer 1

This will make your scroll simultaneously with UITableView and UIScrollView and apply @Stephen Johnson's block

 - (BOOL)gestureRecognizer:(UIPanGestureRecognizer *)gestureRecognizer
 shouldRecognizeSimultaneouslyWithGestureRecognizer:(UISwipeGestureRecognizer *)otherGestureRecognizer
 {
     return YES;
 }

Answer 2

If the tableview is contained within the scroll view I believe you can set up the scroll view's gesture recognizers to respond only if the table view's gesture recognizers fail. I haven't had a chance to try this, but you should be able to set up a dependency between the gestures for each of the views.

UITableView* tableView = ...;
UIScrollView* scrollView = ...;
for (UIGestureRecognizer* r in scrollView.gestureRecognizers)
{
    for (UIGestureRecognizer* tableRecognizer in tableView.gestureRecognizers)
    {
        [r requireGestureRecognizerToFail:tableRecognizer];
    }
}