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iOS 5 Developer's Cookbook, The: Core Concepts and Essential Recipes for iOS Programmers, 3rd Edition

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iOS 5 Developer's Cookbook, The: Core Concepts and Essential Recipes for iOS Programmers, 3rd Edition


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UPDATES on The iOS 5 Developer’s Cookbook

It has come to our attention that problems occurred during the production process. The scope of the error is widespread and all print and eBook versions were affected. Please rest assured that the content is up to Erica Sadun's exceptional standards. Very soon, we will provide customers who have purchased the current printing with information on identifying whether your book was affected. We will explain how to obtain a replacement. We apologize for any inconvenience this has caused and thank you for your patience while we prepare the reprint and new eBook editions. Please continue to check back for more information.



  • Fully revised for the newest features of Apple's iOS 5 for iPhone, iPad, and iPod touch
  • Designed to help new iOS developers get started fast with Objective-C and Xcode 4
  • Shows iOS developers how to make the most of Apple's frameworks in their apps


  • Copyright 2012
  • Edition: 3rd
  • Book
  • ISBN-10: 0-321-75426-3
  • ISBN-13: 978-0-321-75426-4


It has come to our attention that problems occurred during the production process of The iOS 5 Developer's Cookbook. The scope of the error is widespread.  Our processing tools stripped out bits of code from listings and examples in the book. Since the electronic books are generated from the files we send to the printer, all eBook versions (including Kindle, EPUB, and PDF) were also affected. 

Please rest assured that the content is up to Erica Sadun's exceptional standards. We have resolved the production issues internally.  We will be reprinting and producing new eBook versions of The iOS 5 Developer's Cookbook this week. The problems we encountered do not affect the sample code that Erica hosts on her GitHub repository; this is a print/eBook-only issue.

While we take every measure to avoid problems such as this, sometimes these things do happen. On behalf of Erica, and from all of Pearson, we regret this unfortunate incident. We assure you that we take this very seriously and that we have taken every measure to ensure this won't happen again.

Very soon, we will provide customers who have purchased the current printing with information on identifying whether your book was affected. We will explain how to obtain a replacement. We apologize for any inconvenience this has caused and thank you for your patience while we prepare the reprint and new eBook editions.

Please check here (InformIT.com/ios5update) and on Erica's site (ericasadun.com) for more information.

The iOS 5 Developer’s Cookbook, Third Edition

Covers iOS 5, Xcode 4.2, Objective-C 2.0’s ARC, LLVM, and more!

In this book, bestselling author and iOS development guru Erica Sadun brings together all the information you need to quickly start building successful iOS apps for iPhone, iPad, and iPod touch. Sadun has thoroughly revised this book to focus on powerful new iOS 5 features, the latest version of Objective-C, and the Xcode 4 development tools.

The iOS 5 Developer’s Cookbook, Third Edition is packed with ready-made code solutions for the iOS 5 development challenges you’re most likely to face, eliminating trial-and-error and helping you build reliable apps from the very beginning. Sadun teaches each new concept and technique through robust code that is easy to reuse and extend. This isn’t just cut-and-paste: Using her examples, Sadun fully explains both the “how” and “why” of effective iOS 5 development.

Sadun’s tested recipes address virtually every major area of iOS development, from user interface design to view controllers, gestures and touch, to networking and security. Every chapter groups related tasks together, so you can jump straight to your solution, without having to identify the right class or framework first. Coverage includes:

  • Mastering the iOS 5 SDK, Objective-C essentials, and the iOS development lifecycle
  • Designing and customizing interfaces with Interface Builder and Objective-C
  • Organizing apps with view controllers, views, and animations featuring the latest Page View controllers and custom containers
  • Making the most of touch and gestures–including custom ge

Sample Content

Online Sample Chapters

The iOS 5 Developer's Cookbook: Working with View Controllers

The iOS 5 Developer's Cookbook: Working with View Controllers

Sample Pages

Download the sample pages (includes Chapter 5 and Index)

Table of Contents

Preface xxvii

1 Introducing the iOS SDK 1

iOS Developer Programs 1

Online Developer Program 2

Standard Developer Program 2

Developer Enterprise Program 3

Developer University Program 3

Registering 3

Getting Started 3

Downloading the SDK 4

Development Devices 5

Simulator Limitations 6

Tethering 7

Understanding Model Differences 8

Screen Size 9

Camera 9

Audio 10

Telephony 10

Core Location and Core Motion Differences 10

Vibration Support and Proximity 11

Processor Speeds 11

OpenGL ES 11

Platform Limitations 12

Storage Limits 12

Data Access Limits 13

Memory Limits 13

Interaction Limits 16

Energy Limits 16

Application Limits 17

User Behavior Limits 18

SDK Limitations 18

Using the Provisioning Portal 19

Setting Up Your Team 19

Requesting Certificates 20

Registering Devices 20

Registering Application Identifiers 21

Provisioning 22

Putting Together iPhone Projects 23

The iPhone Application Skeleton 25

main.m 26

Application Delegate 28

View Controller 30

A Note about the Sample Code in This Book 31

iOS Application Components 32

Application Folder Hierarchy 32

The Executable 32

The Info.plist File 33

The Icon and Launch Images 34

Interface Builder Files 37

Files Not Found in the Application Bundle 37

IPA Archives 38

Sandboxes 38

Programming Paradigms 39

Object-Oriented Programming 39

Model-View-Controller 40

Summary 48

2 Objective-C Boot Camp 51

The Objective-C Programming Language 51

Classes and Objects 52

Creating Objects 54

Memory Allocation 54

Releasing Memory 55

Understanding Retain Counts with MRR 56

Methods, Messages, and Selectors 57

Undeclared Methods 57

Pointing to Objects 58

Inheriting Methods 59

Declaring Methods 59

Implementing Methods 60

Class Methods 62

Fast Enumeration 63

Class Hierarchy 63

Logging Information 64

Basic Memory Management 66

Managing Memory with MRR 67

Managing Memory with ARC 70


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