Instance Method

collectionView(_:layout:willCenterCellAt:)

Tells the delegate when a cell is to be the center cell.

Declaration

optional func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, willCenterCellAt indexPath: IndexPath)

See Also

Managing Cell Transitions

func collectionView(UICollectionView, layout: UICollectionViewLayout, didCenterCellAt: IndexPath)

Tells the delegate when a cell has completed the transition and has become the center cell.