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

Chapter 4. Designing a Data Model and Building Data Objects for Customers

In the previous chapter, we saw how the contents of an array can be used to display information through the Table View control. Also, we have seen the different methods that play a major role in displaying contents in the Table View control. We have also seen the steps involved in adding more information to the existing information being displayed in the Table View control. Assuming that we want to create an application "Sales Record System of a Store" where we want to keep the information of the customers along with the product details sold to each of them, we will gradually create this application step-by-step, that is, in each chapter, we will add a building block to the application.

In this chapter, we will design a data model for keeping the customer's information, that is, we will define a Customer entity and its attributes. After designing data model, we build data object (classes) associated with the Customer...