Book Image

Core Data iOS Essentials

By : Bintu Harwani, B. M. Harwani
Book Image

Core Data iOS Essentials

By: Bintu Harwani, B. M. Harwani

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
About the Author
About the Reviewers

Running the application

Let us execute the application by selecting Build and Run. We get a view of the RootViewController, as shown in the following image (a) with the list of existing customers. We select the Bar Button Item with the title: Master Product Information in the toolbar at the bottom as we are interested in entering the information of the master products. We get a view as shown in the following image (b). The view contains a toolbar with three Bar Button Item controls with the text: Customers List, Edit, and Add respectively.

The function of the three Bar Button Item controls is as follows:

  • Customers List: This will take us back to the Main View of the application, as shown in the following image (a) from where we can add or edit the customer's information.

  • Edit: This will allow us to delete the information of any master product. It will work when few master products are added to the list for sale.

  • Add: This will allow us to add the new master products to the list. It displays...