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

Creating a module to save and delete a customer's name

In this module, we will learn how to save and edit the name of the customer.

The following are the steps involved in developing this module:

  1. 1. Adding a ViewController class: AddNameController class for adding the name of the customer.

  2. 2. Defining protocol, outlets, and action methods in header file: AddNameController.h.

  3. 3. Defining View of the AddNameController class and connecting controls.

  4. 4. Invoking delegate methods from an implementation file: AddNameController.m file.

  5. 5. Declaring delegate and implementing methods for storing name of the customers.

Using the ViewController class for adding the name of the customer

To enter the name of the customer, we need to add a View Controller class that will display a View that has a navigation bar with two navigation bar items: Save and Cancel. The View will also prompt the user to enter the customer's name to be stored in the customersdata.sqlite file (persistent store).

The View Controllers...