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 new project

To create a new project, perform the following steps:

  1. 1. Launch Xcode and create a new project by selecting the File | New Project option.

  2. 2. The New Project Assistant window will appear, prompting us to select a template for the new project, as shown in the next screenshot. We will select the Navigation-based Application template.

  3. 3. Ensure that the Use Core Data for storage checkbox is checked and click on the Choose... button.

  4. 4. On selecting the Choose... button, we will get a dialog box to specify the name and the location of the project. Let us keep the location the same as default (Documents folder) and assign the project name as: prob (any name).

  5. 5. Click on Save. Xcode will then generate the project files and the project gets opened in the Xcode project window.


    The checkbox Use Core Data for storage will ask Xcode to provide all the default code that is required for using Core Data. This option is visible with only two project templates: Navigation-based Application...