In the previous chapter, we understood the meaning of the code that is automatically generated for us by Core Data in the Application Delegate files. We also developed the application that saves, lists, and deletes customer names. In this chapter, we will enhance the same application to save, list, display, and delete the information of a customer. But before we do so, we will learn to implement the concept of multiple managed object contexts to our application and also how to merge the information in different managed object contexts. We will also learn to apply the knowledge gained so far such as the concept of KVC, its methods used in setting and retrieving attribute values from the managed object, different methods of the NSFetchedResultsControllerDelegate protocol, and so on, to our application.
Core Data iOS Essentials
By :
Core Data iOS Essentials
By:
Overview of this book
Core Data is the essential ingredient in data driven iOS apps. It's used for storing, retrieving, and manipulating application data in databases, XML, and binary formats. It's an essential component for iPhone, iPod Touch, and iPad apps.Core Data Essentials provides a clear, readable guide to the most useful aspects of Core Data. Built around a realistic example app, the book showcases the most important aspects of Core Data development in the context of a complete, functioning app written in Objective C.The book starts with a tour of how the app works. Then you'll see how to easily display data using the Table View. You'll learn how to develop an appropriate data model that fits the needs of your app, then implement that model as updatable data objects. You'll see how to update data and build relationships between objects and learn how Core Data can work with search, and how to provide your users with friendly data editing features.
Table of Contents (19 chapters)
Core Data iOS Essentials
Credits
About the Author
Acknowledgement
About the Reviewers
www.PacktPub.com
Preface
Understanding Core Data
Understanding Objective-C Protocol and Table View
Designing a Data Model and Building Data Objects for Customers
Creating, Listing, and Deleting Names of Customers
Creating, Listing, Displaying, and Deleting Records of Customers
Updating and Searching Records of Customers
Entering, Saving, Listing, and Deleting the Records of the Products Sold to the Customers
Entering, Displaying, and Deleting the Stock
Editing the Stock Information
Displaying the Products for Sale and Updating the Stock
Appendix
Customer Reviews