Core Data in iOS: 2 Intermediate Topics

Learn about Core Data topics such as fetching data, sorting, using Core Data in a multithreaded environment, syncing Core Data with CloudKit, migrations, and more.

1. Fetching Data from Core Data Store

• Understanding how Core Data executes a fetch request
• Understanding faults
• Understanding the starter project
• Filtering by release date
• Filtering by date range
• Filtering by date range or rating
• Filtering by movie title begins with
• Filtering by actor name
• Filtering by review count

2. Sorting Using FetchedResultsController and @FetchRequest

• Understanding the starter project
• Implementing FetchedResultsController
• Conforming to NSFetchedResultsControllerDelegate
• Implementing @NSFetchRequest in SwiftUI

3. Core Data in a Multithreaded Environment

• Understanding the Core Data multithreading model
• Creating background context in Core Data
• Sending results to the viewContext using complete handlers
• Fetching managed objects using objectId
• Using performBackgroundTask
• Subscribing to context change notifications in Core Data
• Merging managed object contexts

4. Syncing Core Data with CloudKit

• What is CloudKit?
• Understanding the starter project
• Updating code to use CloudKit
• Exploring CloudKit dashboard

5. Migrations

• What are migrations?
• Performing a simple migration
• Performing migration using model map

6. Miscellaneous

• Core Data using MVVM and NSFetchedResultsController
• Saving images using Core Data

Conclusion

• Next steps