I know this is an esoteric question.
I enabled 'hidesBarsOnSwipe' in my MMSpreadSheet view controller. This
UIView subclass has 4 UICollectionViews in it - two up top and two below.
The top left 'corner' controller does not scroll, and the top right does
not scroll vertically. Out of the box up/down swipes work perfectly with
the barHideOnSwipeGestureRecognizer to get the Navigation Bar to hide/show.
But try as I might, I cannot get the bottom two views to provide the
same functionality, both of which scroll vertically. I tried adding a
new UIPanGestureRecognizer to the collectionView that returns 'true'
when sent the delegate message
'shouldRecognizeSimultaneouslyWithGestureRecognizer'. Interesting that I
actually get asked if this new recognizer should work with both the
'barHideOnSwipeGestureRecognizer' and the CollectionView's
panGestureRecognizer (I return 'true' for both).
I also configured this new recognizer to exactly match the configuration
of the UICollectionViews panGestureRecognizer.
Just odd that the barHideOnSwipeGestureRecognizer has added itself to
the collection view, but refuses to handle the swipe.
Any suggestions?
- David
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