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

didSelectRowAtIndexPath method

The didSelectRowAtIndexPath method is for displaying the detailed information of the selected customer name from the table view. An instance of the DisplayCustomerController by the name: displaycust is initialized. The managed object context is retrieved from the fetchedResultsController (it is the object that is returned by calling the objectAtIndexPath on the fetched results controller and passing in the indexPath parameter to it) and is assigned to an instance: selectedcust of the Customer class. That is, the information of the customer whose name is selected from the table view is assigned to the selectedcust instance. The contents of the selectedcust are assigned to the cust object of displaycust (instance of the DisplayCustomerController class) as we want the information of the customer to be displayed via Text Field controls placed in the View of the DisplayCustomerController class. The view controller instance: displaycust is then pushed on the navigation...