iOS 5 Programming Cookbook

Solutions & Examples for iPhone, iPad, and iPod touch Apps

Larger Cover

Solutions & Examples for iPhone, iPad, and iPod touch Apps

By Vandad Nahavandipoor

Publisher: O'Reilly Media

Released: January 2012

Pages: 876

Now you can overcome the vexing, real-life issues you confront when creating apps for the iPhone, iPad, or iPod Touch. By making use of more than 100 new recipes in this updated cookbook, you’ll quickly learn the steps necessary for writing complete iOS apps, whether they’re as simple as a music player or feature a complex mix of animations, graphics, multimedia, a database, and iCloud storage.

If you’re comfortable with iOS SDK, this cookbook will teach you how to use hundreds of iOS techniques. Each recipe provides a clear solution with sample code that you can use right away.

Use different approaches to construct a user interface
Develop location-aware apps
Get working examples for implementing gesture recognizers
Play audio and video files and access the iPod library
Retrieve contacts and groups from the Address Book
Determine camera availability and access the Photo Library
Create multitasking-aware apps
Maintain persistent storage in your apps
Use Event Kit to manage calendars and events
Learn capabilities of the Core Graphics framework
Access the accelerometer and gyroscope
Take advantage of the iCloud service

Chapter 1 The Basics
1. Introduction
2. Creating a Simple iOS App in Xcode
3. Understanding Interface Builder
4. Compiling iOS Apps
5. Running iOS Apps on the Simulator
6. Running iOS Apps on iOS Devices
7. Packaging iOS Apps for Distribution
8. Declaring Variables in Objective-C
9. Allocating and Making Use of Strings
10. Comparing Values in Objective-C with an If Statement
11. Implementing Loops with For Statements
12. Implementing While Loops
13. Creating Custom Classes
14. Defining Functionality for Classes
15. Defining Two or More Methods with the Same Name
16. Allocating and Initializing Objects
17. Adding Properties to Classes
18. Moving From Manual Reference Counting to Automatic Reference Counting
19. Typecasting with Automatic Reference Counting
20. Delegating Tasks with Protocols
21. Determining Whether Instance or Class Methods Are Available
22. Determining Whether a Class Is Available at Runtime
23. Allocating and Making Use of Numbers
24. Allocating and Making Use of Arrays
25. Allocating and Making Use of Dictionaries
26. Allocating and Making Use of Sets
27. Creating Bundles
28. Loading Data From the Main Bundle
29. Loading Data From Other Bundles
30. Sending Notifications with NSNotificationCenter
31. Listening for Notifications Sent From NSNotificationCenter
Chapter 2 Implementing Controllers and Views
1. Introduction
2. Displaying Alerts with UIAlertView
3. Creating and Using Switches with UISwitch
4. Picking Values with UIPickerView
5. Picking the Date and Time with UIDatePicker
6. Implementing Range Pickers with UISlider
7. Grouping Compact Options with UISegmentedControl
8. Presenting and Managing Views with UIViewController
9. Implementing Navigation with UINavigationController
10. Manipulating a Navigation Controller’s Array of View Controllers
11. Displaying an Image on a Navigation Bar
12. Adding Buttons to Navigation Bars Using UIBarButtonItem
13. Presenting Multiple View Controllers with UITabBarController
14. Displaying Static Text with UILabel
15. Accepting User Text Input with UITextField
16. Displaying Long Lines of Text with UITextView
17. Adding Buttons to the User Interface with UIButton
18. Displaying Images with UIImageView
19. Creating Scrollable Content with UIScrollView
20. Loading Web Pages with UIWebView
21. Presenting Master-Detail Views with UISplitViewController
22. Enabling Paging with UIPageViewController
23. Displaying Popovers with UIPopoverController
24. Displaying Progress with UIProgressView
25. Listening and Reacting to Keyboard Notifications
Chapter 3 Constructing and Using Table Views
1. Introduction
2. Instantiating a Table View
3. Assigning a Delegate to a Table View
4. Populating a Table View with Data
5. Receiving and Handling Table View Events
6. Using Different Types of Accessories in a Table View Cell
7. Creating Custom Table View Cell Accessories
8. Displaying Hierarchical Data in Table Views
9. Enabling Swipe Deletion of Table View Cells
10. Constructing Headers and Footers in Table Views
11. Displaying Context Menus on Table Views Cells
12. Moving Cells and Sections in Table Views
13. Deleting Cells and Sections From Table Views
Chapter 4 Storyboards
1. Introduction
2. Creating a Project with Storyboards
3. Adding a Navigation Controller to a Storyboard
4. Passing Data From One Screen to Another
5. Adding a Storyboard to an Existing Project
Chapter 5 Concurrency
1. Introduction
2. Constructing Block Objects
3. Accessing Variables in Block Objects
4. Invoking Block Objects
5. Dispatching Tasks to Grand Central Dispatch
6. Performing UI-Related Tasks with GCD
7. Performing Non-UI Related Tasks Synchronously with GCD
8. Performing Non-UI Related Tasks Asynchronously with GCD
9. Performing Tasks After a Delay with GCD
10. Performing a Task Only Once with GCD
11. Grouping Tasks Together with GCD
12. Constructing Your Own Dispatch Queues with GCD
13. Running Tasks Synchronously with Operations
14. Running Tasks Asynchronously with Operations
15. Creating Dependency Between Operations
16. Creating Timers
17. Creating Concurrency with Threads
18. Invoking Background Methods
19. Exiting Threads and Timers
Chapter 6 Core Location and Maps
1. Introduction
2. Creating a Map View
3. Handling the Events of a Map View
4. Pinpointing the Location of a Device
5. Displaying Pins on a Map View
6. Displaying Pins with Different Colors on a Map View
7. Displaying Custom Pins on a Map View
8. Converting Meaningful Addresses to Longitude and Latitude
9. Converting Longitude and Latitude to a Meaningful Address
Chapter 7 Implementing Gesture Recognizers
1. Introduction
2. Detecting Swipe Gestures
3. Detecting Rotation Gestures
4. Detecting Panning and Dragging Gestures
5. Detecting Long Press Gestures
6. Detecting Tap Gestures
7. Detecting Pinch Gestures
Chapter 8 Networking, JSON, XML, and Twitter
1. Introduction
2. Downloading Asynchronously with NSURLConnection
3. Handling Timeouts in Asynchronous Connections
4. Downloading Synchronously with NSURLConnection
5. Modifying a URL Request with NSMutableURLRequest
6. Sending HTTP GET Requests with NSURLConnection
7. Sending HTTP POST Requests with NSURLConnection
8. Sending HTTP DELETE Requests with NSURLConnection
9. Sending HTTP PUT Requests with NSURLConnection
10. Serializing Arrays and Dictionaries into JSON
11. Deserializing JSON into Arrays and Dictionaries
12. Integrating Twitter Functionality into Your Apps
13. Parsing XML with NSXMLParser
Chapter 9 Audio and Video
1. Introduction
2. Playing Audio Files
3. Handling Interruptions While Playing Audio
4. Recording Audio
5. Handling Interruptions While Recording Audio
6. Playing Audio Over Other Active Sounds
7. Playing Video Files
8. Capturing Thumbnails From a Video File
9. Accessing the Music Library
Chapter 10 Address Book
1. Introduction
2. Retrieving a Reference to an Address Book
3. Retrieving All the People in the Address Book
4. Retrieving Properties of Address Book Entries
5. Inserting a Person Entry into the Address Book
6. Inserting a Group Entry into the Address Book
7. Adding Persons to Groups
8. Searching the Address Book
9. Retrieving and Setting a Person’s Address Book Image
Chapter 11 Camera and the Photo Library
1. Introduction
2. Detecting and Probing the Camera
3. Taking Photos with the Camera
4. Taking Videos with the Camera
5. Storing Photos in the Photo Library
6. Storing Videos in the Photo Library
7. Retrieving Photos and Videos From the Photo Library
8. Retrieving Assets From the Assets Library
9. Editing Videos on an iOS Device
Chapter 12 Multitasking
1. Introduction
2. Detecting the Availability of Multitasking
3. Completing a Long-Running Task in the Background
4. Receiving Local Notifications in the Background
5. Playing Audio in the Background
6. Handling Location Changes in the Background
7. Saving and Loading the State of Multitasking iOS Apps
8. Handling Network Connections in the Background
9. Handling Notifications Delivered to a Waking App
10. Responding to Changes in App Settings
11. Opting Out of Multitasking
Chapter 13 Core Data
1. Introduction
2. Creating a Core Data Model with Xcode
3. Generating Class Files for Core Data Entities
4. Creating and Saving Data Using Core Data
5. Reading Data From Core Data
6. Deleting Data From Core Data
7. Sorting Data in Core Data
8. Boosting Data Access in Table Views
9. Implementing Relationships in Core Data
Chapter 14 Dates, Calendars, and Events
1. Introduction
2. Retrieving the List of Calendars
3. Adding Events to Calendars
4. Accessing the Contents of Calendars
5. Removing Events From Calendars
6. Adding Recurring Events to Calendars
7. Retrieving the Attendees of an Event
8. Adding Alarms to Calendars
9. Handling Event Changed Notifications
10. Presenting Event View Controllers
11. Presenting Event Edit View Controllers
Chapter 15 Graphics and Animations
1. Introduction
2. Enumerating and Loading Fonts
3. Drawing Text
4. Constructing, Setting, and Using Colors
5. Drawing Images
6. Drawing Lines
7. Constructing Paths
8. Drawing Rectangles
9. Adding Shadows to Shapes
10. Drawing Gradients
11. Displacing Shapes Drawn on Graphic Contexts
12. Scaling Shapes Drawn on Graphic Contexts
13. Rotating Shapes Drawn on Graphic Contexts
14. Animating and Moving Views
15. Animating and Scaling Views
16. Animating and Rotating Views
Chapter 16 Core Motion
1. Introduction
2. Detecting the Availability of an Accelerometer
3. Detecting the Availability of a Gyroscope
4. Retrieving Accelerometer Data
5. Detecting Shakes on an iOS Device
6. Retrieving Gyroscope Data
Chapter 17 iCloud
1. Introduction
2. Setting Up Your App for iCloud
3. Storing and Synchronizing Dictionaries in iCloud
4. Creating and Managing Folders for Apps in iCloud
5. Searching for Files and Folders in iCloud
6. Storing User Documents in iCloud
7. Managing the State of Documents in iCloud
8. Handling Conflicts in iCloud Documents

Colophon

Title:

iOS 5 Programming Cookbook

By:

Vandad Nahavandipoor

Publisher:

O'Reilly Media

Formats:

Print
Ebook
Safari Books Online

Print:

February 2012

Ebook:

January 2012

Pages:

876

Print ISBN:

978-1-4493-1143-8

| ISBN 10:

1-4493-1143-1

Ebook ISBN:

978-1-4493-1142-1

| ISBN 10:

1-4493-1142-3

Colophon

The animal on the cover of iOS 5 Programming Cookbook is a marbled cat (Pardofelis marmorata), an elusive animal that lives in the dense forests of South and Southeast Asia. What little is known about these cats has mostly been gleaned from observing individuals in captivity, as sightings in the wild are rare. Indeed, the cats are usually only caught on film by motion-sensor camera traps. The total population is estimated to be less than 10,000 adults, and the species is endangered by deforestation.

The marbled cat is similar in size and weight to a domestic cat, averaging 5-11 pounds and 18-24 inches long. However, it shares many characteristics with the larger clouded leopards that live in the same region, like oversize paws, long canine teeth, and a mottled yellow-gray coat with dark spots and bars. However, the markings on the leopard’s fur are much more defined; the marbled cat is actually named for the blurred markings of its coat, which resemble the patterns of a marble.

In the natural posture of the marbled cat, the back is slightly arched. It also has long hind legs and a long bushy tail (nearly the length of its body), used as a counterweight for climbing trees. This has led biologists to believe the cats are primarily arboreal. It is likely that forest canopies provide the cats with prey like birds, squirrels, rats, and reptiles. In May 2000, a wild marbled cat was radio-tagged for the first time, and was found to be primarily active at dusk and night, living at an elevation of 3300-3900 feet.

The cover image is from Wood’s Animate Creation.

Description

Table of Contents

Product Details

About the Author

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Customer Reviews

REVIEW SNAPSHOT®

by PowerReviews

oreillyiOS 5 Programming Cookbook

4.7

(based on 3 reviews)

100%

of respondents would recommend this to a friend.

Pros

Accurate (3)
Concise (3)
Easy to understand (3)
Helpful examples (3)

Cons

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Reviewed by 3 customers

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Displaying reviews 1-3

4/29/2012

5.0

so easy to read

By Allan L

from London

About Me Developer

Pros

Accurate
Concise
Easy to understand
Helpful examples
Well-written

Cons

Best Uses

Expert
Intermediate

Comments about oreilly iOS 5 Programming Cookbook:

I felt the need to leave a review on this book as it has helped me tremendously in my work, not only at home but also at my company. Written in such an easy-to-understand way, has restored my faith in computer books really. I highly recommend it

2/24/2012

4.0

I simply like the style

By mko

from Poland

Pros

Accurate
Concise
Easy to understand
Helpful examples

Cons

Best Uses

Novice
Student

Comments about oreilly iOS 5 Programming Cookbook:

Some time ago I have reviewed iOS 4 Programming Cookbook. When this one appeared I was simply curious how does new face of "iOS Cooking" looks like. And I am pretty amazed.

First of all, parts of the book were redesigned. Big plus here. First chapter was redesigned such way it now gently introduces into XCode and Objective-C development. In iOS 5 Cookbook, you basically start with very simple examples and move towards more complicated stuff. Nevertheless, I still suggest buying book dedicated strictly to Objective-C in case you haven't used this language before.

The same refers to Networking related chapter. It was really improved. In this edition, titles of chapters give you detailed overview of what you can expect in networking related sections of the book.

Operations and threads from "iOS 4 Cook Book" as well as the content of "Concurrent Programming in Mac OS X and iOS" book are now packed into single chapter: "Concurrency". If you have bought "Concurrent Programming in Mac OS X and iOS" you will find this material duplicated. However, in case of people who will start with iOS 5 Programming Cookbook, this is a plus, as you have everything in one place.

I enjoyed the style of the book before, and I enjoy it now. However, there are few things you will miss. First of all, when it comes to CoreData related topics, you will miss recipes for model versioning. And this topic is a must. Especially in a cookbook. Sooner or later, your data model will evolve and you will face it. Another thing you will probably miss are Instruments. If you came to place were the efficiency plays a role, you wont' find help here. These are the only reasons I am giving here 4 stars instead of 5.

I would suggest to a friend. Definitely.

2/17/2012

5.0

Indispensable!

By LetsSeeIfICanGenerateABufferOverflowInTh

from Here

About Me Developer

Pros

Accurate
Comprehensive
Concise
Easy to understand
Helpful examples
Well-written

Cons

Best Uses

Expert
Intermediate
Novice

Comments about oreilly iOS 5 Programming Cookbook:

This is a life-saver. As I've said in my review of Matt Neuburg's book, it is a great idea to have multiple books to tackle any single subject. Nahavandipoor's Cookbook is one of the two which I use most often (along with Neuburg's). Do not work in Xcode without it.

The best way of using this book is as follows: begin with a tutorial book/guide, just to get you started (especially for Xcode); then this cookbook will help you ramp up faster by answering the questions which inevitably arise. It quickly shows sample code, in easy to digest, relevant, usable snippets, and explains them thoroughly. Excellent organization and break-down into a very useful table of contents; it has saved a lot of time for me.
While there are lots of tutorial and theory books out there, Neuburg's and Nahavandipoor's fill gaps which no-one else does, or does so well.
Again: I would not start with only this book; it's best to have a novice guide next to it.
The book covers everything from beginner to very advanced stuff.

Displaying reviews 1-3

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Chapter 1 The Basics

Introduction

Creating a Simple iOS App in Xcode

Understanding Interface Builder

Compiling iOS Apps

Running iOS Apps on the Simulator

Running iOS Apps on iOS Devices

Packaging iOS Apps for Distribution

Declaring Variables in Objective-C

Allocating and Making Use of Strings

Comparing Values in Objective-C with an If Statement

Implementing Loops with For Statements

Implementing While Loops

Creating Custom Classes

Defining Functionality for Classes

Defining Two or More Methods with the Same Name

Allocating and Initializing Objects

Adding Properties to Classes

Moving From Manual Reference Counting to Automatic Reference Counting

Typecasting with Automatic Reference Counting

Delegating Tasks with Protocols

Determining Whether Instance or Class Methods Are Available

Determining Whether a Class Is Available at Runtime

Allocating and Making Use of Numbers

Allocating and Making Use of Arrays

Allocating and Making Use of Dictionaries

Allocating and Making Use of Sets

Creating Bundles

Loading Data From the Main Bundle

Loading Data From Other Bundles

Sending Notifications with NSNotificationCenter

Listening for Notifications Sent From NSNotificationCenter

Chapter 2 Implementing Controllers and Views

Introduction

Displaying Alerts with UIAlertView

Creating and Using Switches with UISwitch

Picking Values with UIPickerView

Picking the Date and Time with UIDatePicker

Implementing Range Pickers with UISlider

Grouping Compact Options with UISegmentedControl

Presenting and Managing Views with UIViewController

Implementing Navigation with UINavigationController

Manipulating a Navigation Controller’s Array of View Controllers

Displaying an Image on a Navigation Bar

Adding Buttons to Navigation Bars Using UIBarButtonItem

Presenting Multiple View Controllers with UITabBarController

Displaying Static Text with UILabel

Accepting User Text Input with UITextField

Displaying Long Lines of Text with UITextView

Adding Buttons to the User Interface with UIButton

Displaying Images with UIImageView

Creating Scrollable Content with UIScrollView

Loading Web Pages with UIWebView

Presenting Master-Detail Views with UISplitViewController

Enabling Paging with UIPageViewController

Displaying Popovers with UIPopoverController

Displaying Progress with UIProgressView

Listening and Reacting to Keyboard Notifications

Chapter 3 Constructing and Using Table Views

Introduction

Instantiating a Table View

Assigning a Delegate to a Table View

Populating a Table View with Data

Receiving and Handling Table View Events

Using Different Types of Accessories in a Table View Cell

Creating Custom Table View Cell Accessories

Displaying Hierarchical Data in Table Views

Enabling Swipe Deletion of Table View Cells

Constructing Headers and Footers in Table Views

Displaying Context Menus on Table Views Cells

Moving Cells and Sections in Table Views

Deleting Cells and Sections From Table Views

Chapter 4 Storyboards

Introduction

Creating a Project with Storyboards

Adding a Navigation Controller to a Storyboard

Passing Data From One Screen to Another

Adding a Storyboard to an Existing Project

Chapter 5 Concurrency

Introduction