If we are using coredata in iOS application, it provides fetch result view controller that will allow me to update the collection view and table view without sacrificing more memory by pre-fetching the data.
Couch base framework for iOS has CBLUITableSource implementation for table view. How can I implement the same for collection view.
I found answer to my question. Open source couchbase lite has that implementation. https://github.com/couchbase/couchbase-lite-ios/blob/master/Source/API/Extras/CBLUICollectionSource.h