By B.M.Harwani

Knowing middle information can provide the choice of constructing data-driven iOS apps, and this booklet is the ideal approach to study because it takes you thru the method of making an exact app with hands-on instructions.


  • Covers the fundamental abilities you wish for operating with middle facts on your applications.
  • Particularly fascinated with constructing quickly, gentle weight data-driven iOS applications.
  • Builds an entire instance program. each method is proven in context.
  • Completely useful with transparent, step by step instructions.

What you are going to research from this book

  • Get a superior take hold of of what center info is and the way it works
  • Build complete featured information pushed purposes for iOS devices
  • Design acceptable information types to suit your app's needs
  • Make your app's information simply searchable
  • Display your information in an enticing, versatile way


The publication follows an unfolding instance app, exploring the gains and rules of center information as they're further to the app. The e-book is stuffed with step by step directions, transparent motives, and worthy fast reference material.

Who this e-book is written for

If you might have already explored iOS improvement and even perhaps dabbled with center info, this publication will set your data-driven program improvement on a company footing.

In Detail

Core information is the fundamental aspect in info pushed iOS apps. it really is used for storing, retrieving, and manipulating program facts in databases, XML, and binary codecs. it is a vital part for iPhone, iPod contact, and iPad apps.

Core information necessities offers a transparent, readable advisor to the main beneficial points of center information. equipped round a pragmatic instance app, the e-book showcases crucial points of middle facts improvement within the context of a whole, functioning app written in target C.

The ebook starts off with a travel of ways the app works. Then you will see tips to simply exhibit information utilizing the desk View. you are going to how to strengthen a suitable facts version that matches the wishes of your app, then enforce that version as updatable info items. you will see tips to replace information and construct relationships among gadgets and find out how middle information can paintings with seek, and the way to supply your clients with pleasant facts enhancing features.

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Additional resources for Core Data iOS Essentials

Example text

When we click on a text field, a keyboard for data entry appears. The keyboard covers the bottom half of the view, and covers the Select Product Image button. So, a method is added to the application that makes the keyboard disappear if the user presses the Return key after entering value in the Quantity text field. After the keyboard has disappeared, our view will appear, as shown in the subsequent image (a). When the Select Product Image button is tapped, the Image Picker view displays the Photo Albums, as shown in the next image (b).

The product quantity is automatically adjusted after a sale. When Master Product Information is selected, the view appears as shown in preceding image (b). The view contains a toolbar with three bar button item controls—Customers List, Edit, and Add. [ 25 ] Understanding Core Data The functions of the three bar button item controls are as follows: • Customers List: This button will take us back to the main view of the application where we can add or edit customer information. • Edit: This button allows us to edit master product information.

The files are in the form of a header and an implementation file; we won't be altering the code of these autogenerated files. com. PacktPub. com/support and register to have the files e-mailed directly to you. window makeKeyAndVisible]; return YES; } [ 43 ] Understanding Objective-C Protocol and Table View - (void)dealloc { [viewController release]; [window release]; [super dealloc]; } @end There are seven main steps for creating our sample application. We will be dealing with each of these steps in the following sections.

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