I'm having difficulty finding the use of NSDiffableDataSourceSnapshot reloadItems(_:): If the item I ask to reload is not equatable to an item that is already present in the data source, I crash w...

I have looked at this question, which is similar: How to deal with empty items section in UICollectionView CompositionalLayout, but the answer there seems to be either leave sections out in the sna...

I'm converting my collection view to new iOS13 UICollectionViewDiffableDataSource... so I need to update cell information on demand. Here is my code: let snap = self.diffDataSouce.snapshot snap?....

I'm implementing a search screen in my app using UITableViewDiffableDataSource. Each cell represents a search hit and highlights the search match in the cell title, kind of like Xcode's Open Quickl...

I have a collection view (using a compositional layout and a diffable data source) that has a segmented control in its header. When the control value changes, the cells update to a different UIColl...

I have a simple UICollectionView with 1 section and 1 item type powered by new iOS 13 UICollectionViewDiffableDataSource. Even with no changes to data source (identical hashValues), UICollectionVi...

I am trying to use the latest UICollectionViewCompositionalLayout to display paginated data using the UICollectionViewDiffableDataSource . I wanted to show a sticky header above the section that wo...

I am trying to implement a UICollectionViewDiffableDataSource for my collectionView. My code compiles fine, however I keep running into this error the first time I apply a snapshot to it, with the ...