ios - How to add a UIView to the entire UICollectionView -

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i have uicollectionview custom layout. shows items in grid (2 columns) , has multiple sections. works perfect.

now, want add uiview @ top of uicollectionview.

note: not view per section. view entire uicollectionview.

what best approach achieve this? keep in mind uicollectionview shows custom uiview each section.

actually, want can uitableview tableheaderview.


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