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How to use UICollectionView with NSFetchedResultsController
Objective-C
branch: master
Failed to load latest commit information.
AFMasterViewController.h Initial commit.
AFMasterViewController.m Prevent nasty Auto Layout bugs.
README.md Deprecates repo.

README.md

UICollectionView+NSFetchedResultsController

This is an example of how to use the new UICollectionView with NSFetchedResultsController. The trick is to queue the updates made through the NSFetchedResultsControllerDelegate until the controller finishes its updates. UICollectionView doesn't have the same beginUpdates and endUpdates that UITableView has to let it work easily with NSFetchedResultsController, so you have to queue them or you get internal consistency runtime exceptions.

Status

This repository is deprecated. Please use JSQDataSourcesKit instead.

Setup

Clone the repo and look in the UICollectionViewController subclass. The logic inside the .m file shows how to queue updates.

Section updates are stored in _sectionChanges while udates to objects within sections are stored in _objectChanges. When controllerDidChangeContent: is called, these updates are dequeued.

Credit

Most of the logic for this is taken from this gist.

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