I'm currently working on a simple IOS app using a collection view and diffable datasource. I initalize the everything in the view controller's config and call a reloadView-function every time I up...

I'm using UITableViewDiffableDataSource to render cells, and I wonder how to animate rows granularily. There's a property self.dataSource?.defaultRowAnimation = .fade which apply for all rows ...

What are the ways in which a UICollectionViewDiffableDataSource header can be reloaded? I have a collection view with a header that displays user details, and rows that display posts, the model is ...

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?....

(The question was rewritten after discussing with @AndreasOetjen below. Thanks for his comments.) I ran into an issue with using UITableView with diffable data source. In my app when user modifies...

I run into performance issues with the diffable data source when having a larger data set, around 22,000 items. I am surprised that applying the snapshot takes so much time when animation is ON. Se...

I'm looking at DiffableDataSource available in iOS13 (or backported here: https://github.com/ra1028/DiffableDataSources) and cannot figure out how one would support multiple cell types in your coll...

I have a hard time to understand how DiffableDataSource works. I have ViewModel like this struct ViewModel: Hashable { var id: Int var value: String func hash(into hasher: inout Hasher) { has...

My app presents an emoji keyboard like Apple's where the emoji are displayed by-category. I render this using a collection view where the categories are sections. If an emoji has been inserted rece...

How can I stop a diffable data source scrolling the view to the top after applying the snapshot. I currently have this... fileprivate func configureDataSource() { self.datasource = UICollectionVi...

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 am currently facing troubles using UITableViewDiffableDataSource. I would like to give a shot to this new feature, so I went on many tutorials on the net, but none of them seems to answer my iss...

Diffable datasources require specifying a SectionIdentifierType and an ItemIdentifierType and these types have to conform to Hashable Supposedly they must conform to Hashable so that the datasource...

I'm updating a UITableViewController to use the new UITableViewDiffableDataSource, I have everything working except Swipe to delete. This is an example of how I use swipe to delete func tableView...

What is the correct way of using NSDiffableDataSourceSnapshot and - (void)tableView:(nonnull UITableView *)tableView prefetchRowsAtIndexPaths:(nonnull NSArray<NSIndexPath *> *)indexPaths. It ...

I am using UICollectionViewDiffableDataSource for UICollectionView to display content in multiple sections. I am using Collection View Compositional Layout and Diffable Datasources link which was ...

I've implemented a UICollectionView list with custom a custom UICollectionViewCell and UIContentConfiguration using the new iOS 14 API. I've been following this tutorial: https://swiftsenpai.com/de...

This is a toy example but it reduces exactly the situation I'm in: class MyDataSource: UITableViewDiffableDataSource<String,String> { var string : String? init(string:String?) { self.stri...

I was playing around with Compositional Layouts with Diffable DataSource and so far loving it. But all of my endeavors have included a single type of Data Item. What I'm trying to achieve is have t...

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 have used diffable data source with UITableView for a while and I like it. But today I realized one issue inherent in its design. To use diffable data source, one needs to generate and apply snap...

WWDC 2019 was really packed with new stuff for iOS and the new data sources for TableViews and CollectionView which is UITableViewDiffableDataSource . I have successfully integrate the above new d...

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 ...