Introduction... 1 Part I: Getting Started... 7

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1 Contents at a Glance Introduction... 1 Part I: Getting Started... 7 Chapter 1: Creating Killer iphone Applications...9 Chapter 2: Looking Behind the Screen...25 Chapter 3: Enlisting in the Developer Corps...43 Part II: Using the iphone Development Tools Chapter 4: Getting to Know the SDK...61 Chapter 5: Building the User Interface...79 Chapter 6: While Your Application Is Running...99 Part III: From Gee, That s a Good Idea to the App Store Chapter 7: Actually Writing Code Chapter 8: Entering and Managing Data Chapter 9: Saving Data and Creating a Secret Button Chapter 10: Using the Debugger Chapter 11: Buttoning It Down and Calling Home Chapter 12: Checking Your Code Using Xcode s Instruments Application Chapter 13: Death, Taxes, and the iphone Provisioning Part IV: An Industrial-Strength Application Chapter 14: Designing Your Application Chapter 15: Setting the Table Chapter 16: Enhancing the User Experience Chapter 17: Creating Controllers and Their Models COPYRIGHTED MATERIAL Part V: The Part of Tens Chapter 18: Top Ten Apple Sample Applications (with Code!) Chapter 19: Ten Ways to Be a Happy Developer Index

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3 Table of Contents Introduction... 1 About This Book...2 Conventions Used in This Book...2 Foolish Assumptions...3 How This Book Is Organized...4 Part I: Getting Started...4 Part II: Using the iphone Development Tools...4 Part III: From Gee, That s a Good Idea to the App Store...4 Part IV: An Industrial-Strength Application...5 Part V: The Part of Tens...5 Icons Used in This Book...5 Where to Go From Here...6 Part I: Getting Started... 7 Chapter 1: Creating Killer iphone Applications What Makes a Great iphone Application...10 Creating a Compelling User Experience...11 Exploiting the Platform...12 Device-guided design...12 Exploiting the features...12 Embracing the limitations...14 A Compelling User Experience...16 Compelling content...17 The user interface form following function...19 Why Develop iphone Applications?...21 Examining the Possibilities...22 The Sample Applications...23 What s Next...24 Chapter 2: Looking Behind the Screen Using Frameworks...25 Using Design Patterns...27 The Model-View-Controller (MVC) pattern...28 The MVC in action...29 Working with Windows and Views...30 Looking out the window...30 Admiring the view...31 The kinds of views you use...33 Controlling View Controllers...35 What About the Model?...37

4 xiv iphone Application Development For Dummies Adding Your Own Application s Behavior...37 The Delegation pattern...38 The Target-Action pattern...39 Doing What When?...40 Whew!...41 Chapter 3: Enlisting in the Developer Corps Becoming a Registered iphone Developer...44 Exploring the iphone Dev Center...46 Looking forward to using the SDK...47 Resources on the iphone Dev Center...48 Downloading the SDK...49 Joining the iphone Developer Program...50 Getting Yourself Ready for the SDK...57 Part II: Using the iphone Development Tools Chapter 4: Getting to Know the SDK Developing Using the SDK...61 Creating Your Project...62 Exploring Your Project...64 Building and Running Your Application...68 The iphone Simulator...71 Hardware interaction...71 Gestures...71 Uninstalling applications and resetting your device...72 Limitations...73 Using Interface Builder...73 It s Time to Get to Work...77 Chapter 5: Building the User Interface Starting Interface Builder...79 Adding Graphics and the Rest of the Elements...87 Adding an Application Icon...94 A Lot Accomplished Very Quickly...97 Chapter 6: While Your Application Is Running Application Anatomy 101 The Life Cycle...99 It all starts with the main nib file Initialization Event processing Termination Other Runtime Considerations Responding to interruptions Seeing how memory management works on the iphone Whew!...114

5 Table of Contents xv Part III: From Gee, That s a Good Idea to the App Store Chapter 7: Actually Writing Code Buckle Up, It s Time to Code The Xcode Code Editor Using Code Completion Accessing API documentation Adding Outlets to the View Controller Objective-C properties Memory Management Connecting the Pieces in Interface Builder Chapter 8: Entering and Managing Data Scrolling the View Where Does My Code Go? The Delegate object The Controller object Where I Am Starting From Building on a Foundation Notification Keeping the text field visible Moving the view Updating the interface Lowering the view when all is said and done Polishing the Chrome and Adding the Vinyl Pinstriping Adopting a protocol Connecting things up with Interface Builder Adding a Clear button Saving the phone number for future reference Dismissing the keyboard when the user touches in the view Finding Your Way Around the Code When You re Done Chapter 9: Saving Data and Creating a Secret Button Saving User-Entry Data Preferences Saving data using NSUserDefaults Disabling Editing Letting the User Use the Secret Button What You Have Now At Long Last Chapter 10: Using the Debugger Using the Debugger Prepping your project for debugging Using the Debugger window...190

6 xvi iphone Application Development For Dummies Using Breakpoints One More Step Chapter 11: Buttoning It Down and Calling Home Adding a Button to Your iphone Interface The Target-Action pattern Working through your button code Connecting the Button in Interface Builder Phoning Home Tweaking the code Implementing the Web view Adding and connecting the Web view in Interface Builder A Bug We Are Finally Done The Final Code Chapter 12: Checking Your Code Using Xcode s Instruments Application The Instruments Application The ObjectAlloc instrument Using the Leaks instrument Running Instruments on the iphone Yes, I Am Finally Done Chapter 13: Death, Taxes, and the iphone Provisioning How the Process Works Provisioning Your Device for Development Development Provisioning Profile and iphone Development Certificate Provisioning Your Application for the App Store itunes Connect What you ll need to get your application into the App Store We re not done yet Uploading your information Upload your application and its data Now What? Part IV: An Industrial-Strength Application Chapter 14: Designing Your Application Defining the Problems Designing the User Experience Defining the constraints Categorizing the problems and defining the solutions...271

7 Table of Contents xvii Creating the Program Architecture A main view Content views View controllers Models Stored data mode, saving state, and localization The Iterative Nature of the Process Chapter 15: Setting the Table Working with Table Views Creating the table view Creating and formatting a grouped table view Making UITableViewController work for you Creating the model Seeing how cells work Creating the cell Responding to a selection Navigating the navigation controller Implementing the selection And now Chapter 16: Enhancing the User Experience Saving and Restoring State Saving state information Restoring the state Respecting User Preferences Adding a Settings bundle to your project Setting up the property list Reading Settings in the Application This App Is Almost Done Chapter 17: Creating Controllers and Their Models Specifying the Content Creating the View Controller, Nib, and Model Files Adding the controller and nib file Set up the nib file Adding the model class Implementing the View, View Controller, and the Model The initialization chain Setting up the view Responding to the user selection The Airport Model The Weather Implementation Model The Currency Implementation Model What About That Promise You Made Us What s Next?...360

8 xviii iphone Application Development For Dummies Part V: The Part of Tens Chapter 18: Top Ten Apple Sample Applications (with Code!) AppPrefs BubbleLevel LocateMe NavBar Reachability SQLite Book List UICatalog URLCache XML Tables Chapter 19: Ten Ways to Be a Happy Developer It s Never Early Enough to Start Speaking a Foreign Language Remember Memory Constantly Use Constants Don t Fall Off the Cutting Edge Start by Initializing the Right Way Keep the Order Straight Avoid Mistakes in Error Handling Remember the User Keep In Mind that the Software Isn t Finished Until The Last User Is Dead Keep It Fun Index