The Only Tutorial Covering BOTH iOS and Android—for students and professionals alike!   Now, one book can help you master mobile app development with both market-leading platforms: Apple’s iOS and Google’s Android. Perfect for both students and professionals, Learning Mobile App Development is the only tutorial with complete parallel coverage of both iOS and Android. With this guide, you can master either platform, or both—and gain a deeper understanding of the issues associated with developing mobile apps.   You’ll develop an actual working app on both iOS and Android, mastering the entire mobile app development lifecycle, from planning through licensing and distribution. Each tutorial in this book has been carefully designed to support readers with widely varying backgrounds and has been extensively tested in live developer training courses. If you’re new to iOS, you’ll also find an easy, practical introduction to Objective-C, Apple’s native language.   All source code for this book, organized by chapter, is available at https://github.com/LearningMobile/BookApps   Coverage includes Understanding the unique design challenges associated with mobile apps Setting up your Android and iOS development environments Mastering Eclipse development tools for Android and Xcode 5 tools for iOS Designing interfaces and navigation schemes that leverage each platform’s power Reliably integrating persistent data into your apps Using lists (Android) or tables (iOS) to effectively present data to users Capturing device location, displaying it, and using it in your apps Accessing hardware devices and sensors Publishing custom apps internally within an organization Monetizing your apps on Apple’s AppStore or the Google Play marketplace, as well as other ways of profiting from app development, such as consulting and developer jobs    

Table of Contents:
Preface xiv Part I  Overview of Mobile App Development 1 1  Why Mobile Apps? 3 Transformative Devices 3 Reaching Customers 4 Changing Business Process 6 Making Money 9 Summary 10 Exercises 10 2  App Design Issues and Considerations 13 App Design 13 Operating System Design Issues 13 Screen Size and Orientation Issues 17 Connectivity Issues 18 Battery Issues 19 Hardware Issues 19 Device Differences 21 Android 21 iOS 23 Introducing Your First App 23 Contact Screen 24 Contact List Screen 24 Map Screen 25 Settings Screen 26 Summary 26 Exercises 27 Part II  Developing the Android App 29 3  Using Eclipse for Android Development 31 Starting a New Project 31 Setting Up the Workspace 32 Creating the Project 32 Components of the IDE 35 The Android Manifest 37 Configuring the Emulator 39 Coding the Interface 42 Coding App Behavior 50 Adding Code 52 Summary 54 Exercises 54 4  Android Navigation and Interface Design 55 Activities, Layouts, and Intents 55 The Activity Class 56 Layout 56 Intents 57 Creating the Interface 57 Create the Project 58 Create the Navigation Bar 59 Create the Contact Layout 64 Activating the Interface 78 Code the Navigation Bar 78 Code the Toggle Button 80 Code the DatePicker Dialog 82 Summary 86 Exercises 87 5  Persistent Data in Android 89 Preferences, Files, and Database 89 Preferences 89 Files 90 Database 90 Creating the Database 91 Create the Database Helper Class 91 Create the Data Source Class 93 Using the Database 98 Capture User-Entered Data    99 Save User-Entered Data 101 Use the Debugger 105 Using Preferences 107 Create the Settings Layout 107 Code the Page’s Behavior 109 Summary 113 Exercises 114 6  Lists in Android: Navigation and Information Display 115 Lists and Adapters 115 Lists 115 Adapters 116 Simple Lists 116 Create the Data Source Method 116 Create the Layout 118 Code the Activity 118 Complex Lists 121 Create the Data Source Method 121 Create the Layout 123 Create the Custom Adapter 125 Code the Activity 127 Add Delete Functionality 128 Completing the ContactList Activity 135 Populating the ContactActivity Screen 135 Coding the Add Button 138 Sort the Contacts List 139 Set ContactListActivity as the Default Activity 141 Set ContactActivity as Default Activity with no Contacts in Database 142 Summary 143 Exercises 143 7  Maps and Location in Android 145 Location Sensors, Maps, and Fragments 145 Location Sensors 145 Maps 146 Fragments 146 Setting Up for Maps 146 Passing Data Between Controllers 151 Finding Your Location 152 Geocoding: Get Coordinates from an Address 152 Get Coordinates from the GPS Sensor 155 Get Coordinates from Network Sensor 159 Get Coordinates from the Map 161 Displaying Your Contacts’ Locations 164 Summary 170 Exercises 171 8  Access to Hardware and Sensors in Android 173 Sensors, Managers, and Other Hardware 173 Sensors 173 Managers 174 Other Hardware 174 Monitoring the Battery 174 Using Sensors to Create a Compass 177 Using the Phone 181 Using the Camera 183 Summary 189 Exercise 190 Part III  Developing the iOS App 191 9  Using Xcode for iOS Development 193 Creating the Xcode Project 193 Project Settings 196 Creating the User Interface 199 Running the App in the Simulator 200 Adding App Behavior 202 Dismissing the Keyboard 205 App Icons and Launch Images    208 Summary 211 Exercises 211 10  iOS Navigation and Interface Design 213 Views and Controllers 213 View Controller 213 Tab Bar Controller 214 Navigation Controller 215 Creating the Interface 215 Creating the Project 215 Creating the Views 216 Design the Contacts Screen 222 Add Navigation Controller for the Date Screen 226 Activating the Interface 230 Summary 233 Exercises 233 11  Persistent Data in iOS 235 File Data Storage 235 User Defaults 236 Core Data 236 Setting Up Core Data 237 Creating the Project 237 Designing Data Structure 241 Passing Data Between Controllers 243 Saving Data to Core Data 248 Storing the Settings 251 Creating the Settings Interface 252 Working with NSUserDefaults Object 256 Activating the Settings Interface 257 Global Constants 259 Summary 262 Exercises 262 12  Tables in iOS: Navigation and Information Display 263 Overview of Tables 263 Setting Up Tables 265 Populate the Table with Data 265 Retrieve Data from Core Data 269 Adding Contact Data 272 Display Detailed Data 273 Save Changes to Records 276 Deleting Records 277 Accessory Buttons 280 Alert View 281 Show Subtitles in the Table 285 Sort the Table 285 Summary 288 Exercises 288 13  Maps and Location in iOS 289 Overview of Location and Mapping 289 Hardware and Sensors 289 Core Location 290 MapKit 290 Adding Location Information to the App 291 Finding Location 291 Adding a Map 300 Summary 309 Exercises 309 14  Access to Hardware and Sensors in iOS 311 Getting Device Information 311 Monitoring Battery Status 314 Controlling the Camera 317 Calling a Phone Number 324 Long Press Gesture 324 Adding Long Press to Enabled Text Field 326 Using Core Motion for Accelerometer Data 328 Summary 333 Exercises 333 Part IV  Business Issues 335 15  Monetizing Apps 337 App Monetization Strategies 337 Paid Apps 337 Ad Supported Apps 338 In-App Purchases 340 Understanding the Economics of App Stores 341 Owning Your Own Business 342 Create an LLC 342 Plan Your Business 342 Other Income Possibilities 343 Choosing a Platform 343 Summary 345 Exercises 345 16  Publishing Apps 347 App Distribution Through the App/Play Stores 347 Android Play Store Distribution 348 iOS App Store Distribution 351 App Distribution for the Enterprise 353 Android Enterprise Distribution 353 iOS Enterprise Distribution 354 Testing and Fragmentation 354 Keeping Up with the Platform 356 Summary 356 Exercises 357 Part V  Appendixes 359 A  Installing Eclipse and Setup for Android Development 361 Setting up Java and Eclipse 361 Download and Install Java SE SDK 362 Downloading Eclipse 363 Installing Eclipse on Windows 363 Installing Eclipse on Mac 365 Installing Android 366 Setting Up the Classroom 369 B  Installing Xcode and Registering Physical Devices 371 Download and Install Xcode 371 Apple Developer Programs 372 Setting Up the Classroom 373 Deploying Apps to Real Devices 373 Creating Developer Accounts 375 Backing Up the Development Certificate 376 Registering Devices 378 Checking the Development Environment 379 C  Introduction to Objective-C 383 A Brief History of Objective-C 383 Two Languages in One 384 Objects and Classes 385 Properties in Detail 394 Declaring and Calling Methods 396 Inheritance and Protocols 397 Memory Management 398 Index 399