Pro iOS Persistence explains how to build apps inObjective-C and Swiftthat persist and use data most effectively including the popular Core Data framework. Covering common and advanced persistence patterns, this book prepares any iOS developer to store and retrieve data accurately and efficiently.

This book starts by giving you a solid grounding in Core Data, providing a foundation for the rest of the book. With this knowledge, you'll have all you need to master Core Data and power your data-driven applications. You'll see how to work with SQLite and how to create an efficient data model to represent your data. Once you've established your data model, you'll learn how to work with data objects and refine result sets to get the most out of the stored data.

The advanced portions of the book begin by showing you how to tune your apps' performance and memory usage, to give you a truly professional edge. You'll see how to version and migrate your data as well, to ensure your data stays organized and efficient. Finally, the book covers managing table views with NSFetchedResultsController.

Michael Privat is president and chief executive officer of Majorspot, Inc., and developer of several iPhone and iPad apps, including Ghostwriter Notes, My Spending, iBudget, and Chess Puzzle Challenge. He is an expert developer and technical lead for Availity, LLC, based in Jacksonville, Florida. He earned his master s degree in computer science from the University of Nice in France. He moved to the U.S. to develop software in artificial intelligence at the Massachusetts Institute of Technology. He now lives in Jacksonville, with his wife, Kelly, and their two children.

1. Touring Core Data

2. Building Data Models

3. Advanced Querying

4. Attending to Data Quality

5. Integrating with the User Interface

6. Versioning and Migrating Data

7. Encrypting and Transforming Data

8. Talking to Services: iCloud, RestKit, and Dropbox

9. Tuning Performance, Memory Usage, and Multithreading