I have a UIScrollView scrolled to the bottom of content - so the content
bottom is at the bottom of the view - in a compact environment.
When the view rotates to regular, the contentOffset is too large - so
the bottom of the content appears in the middle of the view.
Without hard coding nav bar and tab bar sizes for regular and compact, I
don't see how I can compute the contentOffset.y max value prior to the
rotation - I poked around the protocols of the
UIViewControllerTransitionCoordinator coordinator passed in with the
'willTransitionToTraitCollection' message to no avail.
A similar protocol, UIViewControllerContextTransitioning, offers the
initial and final frames, but I cannot see how to get those from
anything available in willTransitionToTraitCollection.
Suggestions?
- David
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