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

Displaying the products available for sale

We will create a class with the name SearchProductController that will be invoked from the product menu (ProductInfoController) and which will retrieve all the rows from the MasterProduct entity to display the list of products available for the same. Not only this, the class will also display a Search Bar at the top allowing us to quickly search the product. On selecting any product from the SearchProductController, we will be navigated to the view of AddProductController where the product name and its price will be automatically displayed and we just have to enter the quantity of the product sold to the customer.

The steps required in implementing the search facility for the products sold to the customers are as follows:

  1. 1. Adding the SearchProductController class.

  2. 2. Designing the view of the SearchProductController.

  3. 3. Coding in the SearchProductController class.

  4. 4. Invoking the SearchProductController from the Product menu.

  5. 5. Displaying name, price...