collectionView(_:didEndDisplayingSupplementaryView:forElementOfKind:at:)
Tells the delegate that the specified supplementary view was removed from the collection view.
Declaration
optional func collectionView(_ collectionView: UICollectionView, didEndDisplayingSupplementaryView view: UICollectionReusableView, forElementOfKind elementKind: String, at indexPath: IndexPath)Parameters
- collectionView:
The collection view object that removed the supplementary view.
- view:
The view that was removed.
- elementKind:
The type of the supplementary view. This string is defined by the layout that presents the view.
- indexPath:
The index path of the data item that the supplementary view represented.
Discussion
Use this method to detect when a supplementary view is removed from a collection view, as opposed to monitoring the view itself to see when it appears or disappears.