collectionView(_:didHighlightItemAt:)
Tells the delegate that the item at the specified index path was highlighted.
Declaration
optional func collectionView(_ collectionView: UICollectionView, didHighlightItemAt indexPath: IndexPath)Parameters
- collectionView:
The collection view object that is notifying you of the highlight change.
- indexPath:
The index path of the cell that was highlighted.
Discussion
The collection view calls this method only in response to user interactions and does not call it if you programmatically set the highlighting on a cell.