Sams Teach Yourself iOS 5 Application Development in 24 Hours

Table of Contents

Introduction 1

Who Can Become an iOS Developer? 2

Who Should Use This Book? 2

What Is (and Isn’t) in This Book? 3

HOUR 1: Preparing Your System and iDevice for Development 5

Welcome to the iOS Platform. 5

Becoming an iOS Developer 9

Creating and Installing a Development Provisioning Profile 14

Running Your First iOS App. 19

Developer Technology Overview. 20

Further Exploration 22

Summary 23

Q&A 23

Workshop. 24

HOUR 2: Introduction to Xcode and the iOS Simulator 25

Using Xcode 25

Using the iOS Simulator 51

Further Exploration 56

Summary 57

Q&A 57

Workshop. 58

HOUR 3: Discovering Objective-C: The Language of Apple Platforms 59

Object-Oriented Programming and Objective-C 59

Exploring the Objective-C File Structure. 64

Objective-C Programming Basics 73

Memory Management and ARC. 83

Further Exploration 86

Summary 86

Q&A 87

Workshop. 88

HOUR 4: Inside Cocoa Touch 89

What Is Cocoa Touch? 89

Exploring the iOS Technology Layers 91

Tracing the iOS Application Life Cycle 97

Cocoa Fundamentals 99

Exploring the iOS Frameworks with Xcode 108

Further Exploration 113

Summary 113

Q&A 114

Workshop 114

HOUR 5: Exploring Xcode’s Interface Builder 117

Understanding Interface Builder 117

Creating User Interfaces 123

Customizing the Interface Appearance 129

Connecting to Code 133

Further Exploration 142

Summary 143

Q&A 144

Workshop 144

HOUR 6: Model-View-Controller Application Design 147

Understanding the Model-View-Controller Paradigm 147

How Xcode Implements MVC. 149

Using the Single View Application Template 154

Further Exploration 171

Summary 172

Q&A 172

Workshop 172

HOUR 7: Working with Text, Keyboards, and Buttons 175

Basic User Input and Output 175

Using Text Fields, Text Views, and Buttons 177

Further Exploration 200

Summary 201

Q&A 202

Workshop 202

HOUR 8: Handling Images, Animation, Sliders, and Steppers 205

User Input and Output 205

Creating and Managing Image Animations, Sliders, and Steppers 207

Further Exploration 227

Summary 228

Q&A 228

Workshop 229

HOUR 9: Using Advanced Interface Objects and Views 231

User Input and Output (Continued) 231

Using Switches, Segmented Controls, and Web Views 236

Using Scrolling Views 252

Further Exploration 258

Summary 259

Q&A 259

Workshop 260

HOUR 10: Getting the User’s Attention 261

Alerting the User 261

Exploring User Alert Methods. 271

Further Exploration 288

Summary 289

Q&A 289

Workshop 290

HOUR 11: Implementing Multiple Scenes and Popovers 291

Introducing Multiscene Storyboards 292

Understanding the iPad Popover. 309

Using a Modal Segue 319

Using a Popover. 328

Further Exploration 334

Summary 335

Q&A 335

Workshop 336

HOUR 12: Making Choices with Toolbars and Pickers 337

Understanding the Role of Toolbars. 337

Exploring Pickers 341

Using the Date Picker 349

Using a Custom Picker 364

Further Exploration 380

Summary 381

Q&A 381

Workshop 382

HOUR 13: Advanced Storyboards Using Navigation and Tab Bar Controllers 385

Advanced View Controllers 386

Exploring Navigation Controllers 388

Understanding Tab Bar Controllers 393

Using a Navigation Controller 398

Using a Tab Bar Controller 407

Further Exploration 417

Summary 417

Q&A 418

Workshop 419

HOUR 14: Navigating Information Using Table Views and Split View Controllers 421

Understanding Tables 422

Exploring the Split View Controller (iPad Only). 430

A Simple Table View Application 433

Creating a Master-Detail Application 443

Further Exploration 460

Summary 460

Q&A 461

Workshop 461

HOUR 15: Reading and Writing Application Data 463

iOS Applications and Data Storage 463

Data Storage Approaches 465

Creating Implicit Preferences 473

Implementing System Settings 479

Implementing File System Storage 492

Further Exploration 500

Summary 501

Q&A 501

Workshop 502

HOUR 16: Building Rotatable and Resizable User Interfaces 503

Rotatable and Resizable Interfaces 503

Creating Rotatable and Resizable Interfaces with Interface Builder. 508

Reframing Controls on Rotation 513

Swapping Views on Rotation 521

Further Exploration 527

Summary 527

Q&A 528

Workshop 529

HOUR 17: Using Advanced Touches and Gestures 531

Multitouch Gesture Recognition 532

Using Gesture Recognizers 534

Further Exploration 553

Summary 554

Q&A 554

Workshop 554

HOUR 18: Sensing Orientation and Motion 557

Understanding Motion Hardware 558

Accessing Orientation and Motion Data 560

Sensing Orientation 564

Detecting Tilt and Rotation 568

Further Exploration 579

Summary 580

Workshop 581

HOUR 19: Working with Rich Media 583

Exploring Rich Media 583

The Media Playground Application. 598

Further Exploration 625

Summary 626

Q&A 627

Workshop 627

HOUR 20: Interacting with Other Applications 629

Extending Application Integration 629

Using Address Book, Email, Twitter, and Maps.. Oh My 641

Further Exploration 658

Summary 659

Q&A 659

Workshop 660

HOUR 21: Implementing Location Services 661

Understanding Core Location. 661

Creating a Location-Aware Application 668

Using the Magnetic Compass 678

Further Exploration 686

Summary 687

Q&A 687

Workshop 688

HOUR 22: Building Background-Aware Applications 691

Understanding iOS Backgrounding 692

Disabling Backgrounding 696

Handling Background Suspension. 697

Implementing Local Notifications 698

Using Task-Specific Background Processing 701

Completing a Long-Running Background Task 708

Further Exploration 714

Summary 715

Q&A 715

Workshop 716

HOUR 23: Building Universal Applications 717

Universal Application Development 717

Creating a Universal Application (Take 1) 722

Creating a Universal Application (Take 2) 726

Using Multiple Targets 730

Further Exploration 732

Summary 733

Q&A 733

Workshop 734

HOUR 24: Application Tracing and Debugging 735

Instant Feedback with NSLog 736

Using the Xcode Debugger. 738

Further Exploration 752

Summary 753

Q&A 753

Workshop 753

Index 755