Contents

UICollectionViewDiffableDataSource.CellProvider

A closure that configures and returns a cell for a collection view from its diffable data source.

Declaration

typealias CellProvider = (UICollectionView, IndexPath, ItemIdentifierType) -> UICollectionViewCell?

Parameters

  • collectionView:

    The collection view to configure this cell for.

  • indexPath:

    The index path that specifies the location of the cell in the collection view.

  • itemIdentifier:

    An object, with a type that implements the Hashable protocol, the data source uses to uniquely identify the item for this cell.

Return Value

A non-nil configured cell object. The cell provider must return a valid cell object to the collection view.

Discussion

You use this closure to configure and return cells when creating a diffable data source using init(collectionView:cellProvider:).

See Also

Related Documentation

Creating a diffable data source