Synchronization and Core Data in Modern iOS Apps I’m working on an iOS project that synchronizes a lot of data between a web service and an iPad app. We’ve relied on the advice and research in the fantastic issues of objc.io on Core Data and Syncing...
Last time I wrote about doing imports of large data sets when using AFIncrementalStore to handle server synchronization I thought I had made an end-run around it, finding a technique which was compatible but faster. I was wrong. Before I begin, this is not a knock on...
Before taking this advice, please see my follow-up. AFIncrementalStore (AFIS) is a brilliant bit of open source code from Mattt Thompson. It is a great help in synchronizing a remote data source and local data storage handled with Core Data. Its magic is turning the...
Migrating between Core Data models is simple – until you need to make changes more complex than adding an entity or attribute. A migration step like deriving data from two columns for a new attribute (such as combining firstName and lastName into normalizedName for...
It’s no secret that Apple’s implementation of iCloud syncing for Core Data has issues. Check out episode 12 of Debug for a great discussion and check out the show notes for a number of links to blogs that go into even more detail. With WWDC around the...
