Make UICollectionView zoomable

Number:rdar://33675923 Date Originated:02-Aug-2017 03:48 PM
Status:Open Resolved:
Product:iOS + SDK Product Version:11b4
Classification:Enhancement Reproducible:Always
As UICollectionView is a subclass of UIScrollView, it would be very great if support for zooming would be added. While you can give it a minimum and maximum zoom scale, there is no common view available that contains all the collection view’s content that one could return when the delegate method `viewForZoomingInScrollView:` is called.

Adding such a view that contains all the (visible) cells and decoration views would be an awesome addition to UICollectionView.

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