iOS 5 Programming Cookbook: Solutions & Examples for iPhone, iPad, and iPod touch Apps

by Vandad Nahavandipoor

Overview

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

Product Details

ISBN-13:	9781449311438
Publisher:	O'Reilly Media, Incorporated
Publication date:	02/15/2012
Pages:	872
Product dimensions:	7.00(w) x 9.10(h) x 1.90(d)

About the Author

Vandad Nahavandipoor has developed software using Cocoa, Cocoa Touch, Assembly, Delphi, and .NET for many years. As a staff member of a company that is a global leader in mobile money solutions in London, he has worked with some of the world's biggest brands—such as Visa and US Bank—to deliver mobile applications to their customers. Vandad brings an interest in management, leadership and entrepreneurship to his work, believing in the synergy that is achieved as a result of cooperation and working together in a team.

Table of Contents

Dedication; Preface; Audience; Organization of This Book; Additional Resources; Conventions Used in This Book; Using Code Examples; We’d Like to Hear from You; Safari® Books Online; Acknowledgments; Chapter 1: The Basics; 1.1 Introduction; 1.2 Creating a Simple iOS App in Xcode; 1.3 Understanding Interface Builder; 1.4 Compiling iOS Apps; 1.5 Running iOS Apps on the Simulator; 1.6 Running iOS Apps on iOS Devices; 1.7 Packaging iOS Apps for Distribution; 1.8 Declaring Variables in Objective-C; 1.9 Allocating and Making Use of Strings; 1.10 Comparing Values in Objective-C with an If Statement; 1.11 Implementing Loops with For Statements; 1.12 Implementing While Loops; 1.13 Creating Custom Classes; 1.14 Defining Functionality for Classes; 1.15 Defining Two or More Methods with the Same Name; 1.16 Allocating and Initializing Objects; 1.17 Adding Properties to Classes; 1.18 Moving From Manual Reference Counting to Automatic Reference Counting; 1.19 Typecasting with Automatic Reference Counting; 1.20 Delegating Tasks with Protocols; 1.21 Determining Whether Instance or Class Methods Are Available; 1.22 Determining Whether a Class Is Available at Runtime; 1.23 Allocating and Making Use of Numbers; 1.24 Allocating and Making Use of Arrays; 1.25 Allocating and Making Use of Dictionaries; 1.26 Allocating and Making Use of Sets; 1.27 Creating Bundles; 1.28 Loading Data From the Main Bundle; 1.29 Loading Data From Other Bundles; 1.30 Sending Notifications with NSNotificationCenter; 1.31 Listening for Notifications Sent From NSNotificationCenter; Chapter 2: Implementing Controllers and Views; 2.1 Introduction; 2.2 Displaying Alerts with UIAlertView; 2.3 Creating and Using Switches with UISwitch; 2.4 Picking Values with UIPickerView; 2.5 Picking the Date and Time with UIDatePicker; 2.6 Implementing Range Pickers with UISlider; 2.7 Grouping Compact Options with UISegmentedControl; 2.8 Presenting and Managing Views with UIViewController; 2.9 Implementing Navigation with UINavigationController; 2.10 Manipulating a Navigation Controller’s Array of View Controllers; 2.11 Displaying an Image on a Navigation Bar; 2.12 Adding Buttons to Navigation Bars Using UIBarButtonItem; 2.13 Presenting Multiple View Controllers with UITabBarController; 2.14 Displaying Static Text with UILabel; 2.15 Accepting User Text Input with UITextField; 2.16 Displaying Long Lines of Text with UITextView; 2.17 Adding Buttons to the User Interface with UIButton; 2.18 Displaying Images with UIImageView; 2.19 Creating Scrollable Content with UIScrollView; 2.20 Loading Web Pages with UIWebView; 2.21 Presenting Master-Detail Views with UISplitViewController; 2.22 Enabling Paging with UIPageViewController; 2.23 Displaying Popovers with UIPopoverController; 2.24 Displaying Progress with UIProgressView; 2.25 Listening and Reacting to Keyboard Notifications; Chapter 3: Constructing and Using Table Views; 3.1 Introduction; 3.2 Instantiating a Table View; 3.3 Assigning a Delegate to a Table View; 3.4 Populating a Table View with Data; 3.5 Receiving and Handling Table View Events; 3.6 Using Different Types of Accessories in a Table View Cell; 3.7 Creating Custom Table View Cell Accessories; 3.8 Displaying Hierarchical Data in Table Views; 3.9 Enabling Swipe Deletion of Table View Cells; 3.10 Constructing Headers and Footers in Table Views; 3.11 Displaying Context Menus on Table Views Cells; 3.12 Moving Cells and Sections in Table Views; 3.13 Deleting Cells and Sections From Table Views; Chapter 4: Storyboards; 4.1 Introduction; 4.2 Creating a Project with Storyboards; 4.3 Adding a Navigation Controller to a Storyboard; 4.4 Passing Data From One Screen to Another; 4.5 Adding a Storyboard to an Existing Project; Chapter 5: Concurrency; 5.1 Introduction; 5.2 Constructing Block Objects; 5.3 Accessing Variables in Block Objects; 5.4 Invoking Block Objects; 5.5 Dispatching Tasks to Grand Central Dispatch; 5.6 Performing UI-Related Tasks with GCD; 5.7 Performing Non-UI Related Tasks Synchronously with GCD; 5.8 Performing Non-UI Related Tasks Asynchronously with GCD; 5.9 Performing Tasks After a Delay with GCD; 5.10 Performing a Task Only Once with GCD; 5.11 Grouping Tasks Together with GCD; 5.12 Constructing Your Own Dispatch Queues with GCD; 5.13 Running Tasks Synchronously with Operations; 5.14 Running Tasks Asynchronously with Operations; 5.15 Creating Dependency Between Operations; 5.16 Creating Timers; 5.17 Creating Concurrency with Threads; 5.18 Invoking Background Methods; 5.19 Exiting Threads and Timers; Chapter 6: Core Location and Maps; 6.1 Introduction; 6.2 Creating a Map View; 6.3 Handling the Events of a Map View; 6.4 Pinpointing the Location of a Device; 6.5 Displaying Pins on a Map View; 6.6 Displaying Pins with Different Colors on a Map View; 6.7 Displaying Custom Pins on a Map View; 6.8 Converting Meaningful Addresses to Longitude and Latitude; 6.9 Converting Longitude and Latitude to a Meaningful Address; Chapter 7: Implementing Gesture Recognizers; 7.1 Introduction; 7.2 Detecting Swipe Gestures; 7.3 Detecting Rotation Gestures; 7.4 Detecting Panning and Dragging Gestures; 7.5 Detecting Long Press Gestures; 7.6 Detecting Tap Gestures; 7.7 Detecting Pinch Gestures; Chapter 8: Networking, JSON, XML, and Twitter; 8.1 Introduction; 8.2 Downloading Asynchronously with NSURLConnection; 8.3 Handling Timeouts in Asynchronous Connections; 8.4 Downloading Synchronously with NSURLConnection; 8.5 Modifying a URL Request with NSMutableURLRequest; 8.6 Sending HTTP GET Requests with NSURLConnection; 8.7 Sending HTTP POST Requests with NSURLConnection; 8.8 Sending HTTP DELETE Requests with NSURLConnection; 8.9 Sending HTTP PUT Requests with NSURLConnection; 8.10 Serializing Arrays and Dictionaries into JSON; 8.11 Deserializing JSON into Arrays and Dictionaries; 8.12 Integrating Twitter Functionality into Your Apps; 8.13 Parsing XML with NSXMLParser; Chapter 9: Audio and Video; 9.1 Introduction; 9.2 Playing Audio Files; 9.3 Handling Interruptions While Playing Audio; 9.4 Recording Audio; 9.5 Handling Interruptions While Recording Audio; 9.6 Playing Audio Over Other Active Sounds; 9.7 Playing Video Files; 9.8 Capturing Thumbnails From a Video File; 9.9 Accessing the Music Library; Chapter 10: Address Book; 10.1 Introduction; 10.2 Retrieving a Reference to an Address Book; 10.3 Retrieving All the People in the Address Book; 10.4 Retrieving Properties of Address Book Entries; 10.5 Inserting a Person Entry into the Address Book; 10.6 Inserting a Group Entry into the Address Book; 10.7 Adding Persons to Groups; 10.8 Searching the Address Book; 10.9 Retrieving and Setting a Person’s Address Book Image; Chapter 11: Camera and the Photo Library; 11.1 Introduction; 11.2 Detecting and Probing the Camera; 11.3 Taking Photos with the Camera; 11.4 Taking Videos with the Camera; 11.5 Storing Photos in the Photo Library; 11.6 Storing Videos in the Photo Library; 11.7 Retrieving Photos and Videos From the Photo Library; 11.8 Retrieving Assets From the Assets Library; 11.9 Editing Videos on an iOS Device; Chapter 12: Multitasking; 12.1 Introduction; 12.2 Detecting the Availability of Multitasking; 12.3 Completing a Long-Running Task in the Background; 12.4 Receiving Local Notifications in the Background; 12.5 Playing Audio in the Background; 12.6 Handling Location Changes in the Background; 12.7 Saving and Loading the State of Multitasking iOS Apps; 12.8 Handling Network Connections in the Background; 12.9 Handling Notifications Delivered to a Waking App; 12.10 Responding to Changes in App Settings; 12.11 Opting Out of Multitasking; Chapter 13: Core Data; 13.1 Introduction; 13.2 Creating a Core Data Model with Xcode; 13.3 Generating Class Files for Core Data Entities; 13.4 Creating and Saving Data Using Core Data; 13.5 Reading Data From Core Data; 13.6 Deleting Data From Core Data; 13.7 Sorting Data in Core Data; 13.8 Boosting Data Access in Table Views; 13.9 Implementing Relationships in Core Data; Chapter 14: Dates, Calendars, and Events; 14.1 Introduction; 14.2 Retrieving the List of Calendars; 14.3 Adding Events to Calendars; 14.4 Accessing the Contents of Calendars; 14.5 Removing Events From Calendars; 14.6 Adding Recurring Events to Calendars; 14.7 Retrieving the Attendees of an Event; 14.8 Adding Alarms to Calendars; 14.9 Handling Event Changed Notifications; 14.10 Presenting Event View Controllers; 14.11 Presenting Event Edit View Controllers; Chapter 15: Graphics and Animations; 15.1 Introduction; 15.2 Enumerating and Loading Fonts; 15.3 Drawing Text; 15.4 Constructing, Setting, and Using Colors; 15.5 Drawing Images; 15.6 Drawing Lines; 15.7 Constructing Paths; 15.8 Drawing Rectangles; 15.9 Adding Shadows to Shapes; 15.10 Drawing Gradients; 15.11 Displacing Shapes Drawn on Graphic Contexts; 15.12 Scaling Shapes Drawn on Graphic Contexts; 15.13 Rotating Shapes Drawn on Graphic Contexts; 15.14 Animating and Moving Views; 15.15 Animating and Scaling Views; 15.16 Animating and Rotating Views; Chapter 16: Core Motion; 16.1 Introduction; 16.2 Detecting the Availability of an Accelerometer; 16.3 Detecting the Availability of a Gyroscope; 16.4 Retrieving Accelerometer Data; 16.5 Detecting Shakes on an iOS Device; 16.6 Retrieving Gyroscope Data; Chapter 17: iCloud; 17.1 Introduction; 17.2 Setting Up Your App for iCloud; 17.3 Storing and Synchronizing Dictionaries in iCloud; 17.4 Creating and Managing Folders for Apps in iCloud; 17.5 Searching for Files and Folders in iCloud; 17.6 Storing User Documents in iCloud; 17.7 Managing the State of Documents in iCloud; 17.8 Handling Conflicts in iCloud Documents; Colophon;