Acknowledgments xxxiii
About the Authors xxxv
Introduction 1
Who Should Read This Book? 1
How This Book Is Structured 1
Key Questions Answered in This Book 3
An Overview of Changes in This Edition 4
The Development Environment Used in This Book 5
Supplementary Materials Available 6
Where to Find More Information 6
Conventions Used in This Book 7
Contacting the Authors 8
Part I: Advanced Android Application Design Principles 9
Chapter 1: Threading and Asynchronous Processing 11
The Importance of Processing Asynchronously 11
Working with the AsyncTask Class 12
Working with the Thread Class 15
Working with Loaders 16
Understanding StrictMode 17
Summary 17
Quiz Questions 17
Exercises 18
References and More Information 18
Chapter 2: Working with Services 19
Determining When to Use Services 19
Understanding the Service Lifecycle 20
Creating a Service 20
Controlling a Service 25
Implementing a Remote Interface 26
Implementing a Parcelable Class 28
Using the IntentService Class 30
Summary 33
Quiz Questions 34
Exercises 34
References and More Information 34
Chapter 3: Leveraging SQLite Application Databases 35
Storing Structured Data Using SQLite Databases 35
Querying SQLite Databases 40
Closing and Deleting a SQLite Database 45
Designing Persistent Databases 46
Binding Data to the Application User Interface 48
Summary 53
Quiz Questions 54
Exercises 54
References and More Information 54
Chapter 4: Building Android Content Providers 55
Acting as a Content Provider 55
Enhancing Applications Using Content Providers 62
Summary 65
Quiz Questions 65
Exercises 65
References and More Information 65
Chapter 5: Broadcasting and Receiving Intents 67
Sending Broadcasts 67
Receiving Broadcasts 69
Securing Application Broadcasts 73
Summary 74
Quiz Questions 74
Exercises 75
References and More Information 75
Chapter 6: Working with Notifications 77
Notifying the User 77
A Word on Compatibility 78
Notifying with the Status Bar 78
Vibrating the Phone 84
Blinking the Lights 84
Making Noise 86
Customizing the Notification 86
Expandable and Contractible Notifications 88
Notification Priority 90
Introducing the Notification Listener 91
Designing Useful Notifications 91
Summary 92
Quiz Questions 92
Exercises 92
References and More Information 92
Part II: Advanced Android User Interface Design Principles 95
Chapter 7: Designing Powerful User Interfaces 97
Following Android User Interface Guidelines 97
Enabling Action Bars 98
Working with Styles 106
Working with Themes 111
Summary 113
Quiz Questions 113
Exercises 113
References and More Information 114
Chapter 8: Handling Advanced User Input 115
Working with Textual Input Methods 115
Handling User Events 119
Working with Gestures 123
Handling Screen Orientation Changes 134
Summary 137
Quiz Questions 137
Exercises 137
References and More Information 137
Chapter 9: Designing Accessible Applications 139
Exploring the Accessibility Framework 139
Leveraging Speech Recognition Services 141
Leveraging Text-to-Speech Services 145
Testing Application Accessibility 147
Summary 147
Quiz Questions 148
Exercises 148
References and More Information 148
Chapter 10: Development Best Practices for Tablets, TVs, and Wearables 151
Understanding Device Diversity 151
Developing Applications for Tablets 154
Developing Applications for TV 155
Developing Applications for Wearables 158
Summary 159
Quiz Questions 159
Exercises 159
References and More Information 160
Part III: Leveraging Common Android APIs 161
Chapter 11: Using Android Networking APIs 163
Understanding Mobile Networking Fundamentals 163
Understanding StrictMode with Networking 164
Accessing the Internet (HTTP) 164
Summary 173
Quiz Questions 173
Exercises 174
References and More Information 174
Chapter 12: Using Android Web APIs 175
Browsing the Web with WebView 175
Building Web Extensions 182
Debugging WebViews with Chrome DevTools 187
Working with Adobe AIR and Flash 187
Summary 188
Quiz Questions 188
Exercises 189
References and More Information 189
Chapter 13: Using Android Multimedia APIs 191
Working with Multimedia 191
Working with the Camera 192
Working with Video 200
Working with Face Detection 203
Working with Audio 204
Searching for Multimedia 207
Working with Ringtones 208
Introducing the Media Router 209
Summary 209
Quiz Questions 209
Exercises 210
References and More Information 210
Chapter 14: Using Android Telephony APIs 211
Working with Telephony Utilities 211
Using SMS 216
Making and Receiving Phone Calls 220
Working with SIP 222
Summary 223
Quiz Questions 223
Exercises 223
References and More Information 224
Chapter 15: Accessing Android’s Hardware Sensors 225
Interacting with Device Hardware 225
Using the Device Sensors 226
Sensor Event Batching 230
Monitoring the Battery 231
Summary 232
Quiz Questions 233
Exercises 234
References and More Information 234
Chapter 16: Using Android’s Optional Hardware APIs 235
Working with Bluetooth 235
Working with USB 239
Working with Android Beam 241
Working with Wi-Fi 245
Summary 248
Quiz Questions 248
Exercises 249
References and More Information 249
Part IV: Leveraging Google APIs 251
Chapter 17: Using Location and Map APIs 253
Incorporating Android Location APIs 253
Incorporating Google Location Services APIs 260
Incorporating Google Maps Android API v2 262
Summary 268
Quiz Questions 268
Exercises 269
References and More Information 269
Chapter 18: Working with Google Cloud Messaging 271
An Overview of GCM 271
What Alternatives to GCM Exist? 274
Summary 275
Quiz Questions 275
Exercises 275
References and More Information 276
Chapter 19: An Overview of In-App Billing APIs for Android 277
What Is In-App Billing? 277
Using In-App Billing 278
Leveraging Google Play In-App Billing APIs 279
Leveraging Amazon Appstore for Android In-App
Purchasing APIs 280
Leveraging PayPal Billing APIs 280
Leveraging Other Billing APIs 280
Summary 280
Quiz Questions 281
Exercises 281
References and More Information 281
Chapter 20: Enabling Application Statistics with Google Analytics 283
Creating a Google Account for Analytics 283
Adding the Library to Your Android IDE Project 286
Collecting Data from Your Applications 287
Logging Different Events 287
Using the Google Analytics Dashboard 288
Gathering E-commerce Information 290
Tracking Ad and Market Referrals 292
Gathering Statistics 292
Protecting Users’ Privacy 293
Summary 293
Quiz Questions 293
Exercises 294
References and More Information 294
Chapter 21: An Overview of Google Play Game Services 295
Getting Up and Running with Google Play Game Services 295
Incorporating Google Play Game Services into Your Applications 296
Understanding Achievements 297
Understanding Leaderboards 298
Saving Game Data with Cloud Save 299
Introducing Multiplayer Gaming 299
Understanding Antipiracy 299
Summary 300
Quiz Questions 300
Exercises 300
References and More Information 301
Part V: Drawing, Animations, and Graphics Programming with Android 303
Chapter 22: Developing Android 2D Graphics Applications 305
Drawing on the Screen 305
Working with Text 310
Working with Bitmaps 312
Working with Shapes 315
Leveraging Hardware Acceleration Features 324
Summary 326
Quiz Questions 326
Exercises 326
References and More Information 327
Chapter 23: Working with Animation 329
Animating Your Applications 329
Working with Different Interpolators 341
Animating Activity Launch 341
State Animations with Scenes and Transitions 342
Summary 342
Quiz Questions 342
Exercises 343
References and More Information 343
Chapter 24: Developing Android 3D Graphics Applications 345
Working with OpenGL ES 345
Using OpenGL ES APIs in the Android SDK 347
Handling OpenGL ES Tasks Manually 347
Drawing 3D Objects 353
Interacting with Android Views and Events 362
Cleaning Up OpenGL ES 365
Using GLSurfaceView (Easy OpenGL ES) 366
Using OpenGL ES 2.0 369
Exploring OpenGL ES 3.0 373
Summary 374
Quiz Questions 374
Exercises 374
References and More Information 375
Chapter 25: Using the Android NDK 377
Determining When to Use the Android NDK 377
Installing the Android NDK 378
Exploring the Android NDK Sample Application 379
Creating Your Own NDK Project 379
Improving Graphics Performance 384
Comparing RenderScript to the NDK 385
Summary 386
Quiz Questions 386
Exercises 386
References and More Information 386
Part VI: Maximizing Android’s Unique Features 389
Chapter 26: Extending Android Application Reach 391
Enhancing Your Applications 391
Working with App Widgets 392
Working with Live Wallpapers 404
Creating a Live Wallpaper 404
Introducing Daydream 408
Acting as a Content Type Handler 410
Determining Intent Actions and MIME Types 411
Summary 413
Quiz Questions 413
Exercises 414
References and More Information 414
Chapter 27: Enabling Application Search 415
Making Application Content Searchable 415
Enabling Searches in Your Application 416
Enabling Global Search 424
Summary 426
Quiz Questions 426
Exercises 426
References and More Information 426
Chapter 28: Managing User Accounts and Synchronizing User Data 427
Managing Accounts with the Account Manager 427
Synchronizing Data with Sync Adapters 429
Using Backup Services 430
Summary 435
Quiz Questions 436
Exercises 436
References and More Information 436
Part VII: Advanced Topics in Application Publication and Distribution 437
Chapter 29: Internationalizing Your Applications 439
Localizing Your Application’s Language 439
Right-to-Left Language Localization 445
Translation Services through Google Play 445
Publishing Applications for Foreign Users 446
Summary 446
Quiz Questions 446
Exercises 447
References and More Information 447
Chapter 30: Protecting Applications from Software Piracy 449
All Applications Are Vulnerable 449
Using Secure Coding Practices 450
Obfuscating with ProGuard 450
Leveraging the License Verification Library 452
Other Antipiracy Tips 453
Summary 454
Quiz Questions 454
Exercises 455
References and More Information 455
Part VIII: Preparing for Future Android Releases 457
Chapter 31: Introducing the L Developer Preview 459
Exploring the L Developer Preview 459
Introducing Android TV 464
Summary 465
Quiz Questions 465
Exercises 466
References and More Information 466
Part IX: Appendixes 467
Appendix A: Quick-Start Guide: Android Debug Bridge 469
Listing Connected Devices and Emulators 469
Directing ADB Commands to Specific Devices 470
Starting and Stopping the ADB Server 470
Listing ADB Commands 470
Issuing Shell Commands 471
Copying Files 472
Installing and Uninstalling Applications 473
Working with LogCat Logging 474
Controlling the Backup Service 476
Generating Bug Reports 477
Using the Shell to Inspect SQLite Databases 478
Using the Shell to Stress Test Applications 478
Installing Custom Binaries via the Shell 481
Summary 482
Quiz Questions 482
Exercises 483
References and More Information 483
Appendix B: Quick-Start Guide: SQLite 485
Exploring Common Tasks with SQLite 485
Using the sqlite3 Command-Line Interface 486
Learning by Example: A Student Grade Database 491
Summary 497
Quiz Questions 498
Exercises 498
References and More Information 498
Appendix C: Java for Android Developers 499
Learning the Java Programming Language 499
Learning the Java Development Tools 499
Familiarizing Yourself with Java Documentation 500
Understanding Java Shorthand 500
Summary 505
Quiz Questions 505
Exercises 505
References and More Information 505
Appendix D: Quick-Start Guide: Android Studio 507
Getting Up and Running with Android Studio 507
Understanding the Android Studio Project Structure 512
Learning about the Gradle Build System 513
Overview of the Android Studio User Interface 513
Introducing the Layout Editor 513
Debugging Your Android Studio Applications 515
Useful Keyboard Shortcuts 517
Summary 517
Quiz Questions 517
Exercises 518
References and More Information 518
Appendix E: Answers to Quiz Questions 519
Index 527
Joseph Annuzzi, Jr., is a freelance software architect, graphic artist, writer, and technical reviewer. He usually can be found mastering the Android platform; implementing cutting-edge HTML5 capabilities; leveraging various cloud technologies; speaking in different programming languages; working with diverse frameworks; integrating with various social APIs; tinkering with peer-to-peer, cryptography, and computer vision algorithms; or creating stunningly realistic 3D renders. He is always on the lookout for disruptive Internet and mobile technologies and has multiple patent applications in process. He graduated from the University of California, Davis, with a B.S. in managerial economics and a minor in computer science, and he lives where much of the action is, Silicon Valley.
Lauren Darcey is responsible for the technical leadership and direction of a small software company specializing in mobile technologies, including Android, iOS, BlackBerry, Palm Pre, BREW, and J2ME, and consulting services. With more than two decades of experience in professional software production, Lauren is a recognized authority in application architecture and the development of commercial-grade mobile applications. Lauren received a B.S. in computer science from the University of California, Santa Cruz.
Shane Conder has extensive development experience and has focused his attention on mobile and embedded development for the past decade. He has designed and developed many commercial applications for Android, iOS, BREW, BlackBerry, J2ME, Palm, and Windows Mobile—some of which have been installed on millions of phones worldwide. Shane has written extensively about the mobile industry and evaluated mobile development platforms on his tech blogs and is well known within the blogosphere. Shane received a B.S. in computer science from the University of California.
“This new edition of Advanced Android™ Application Development updates the definitive reference for Android developers, covering all major revisions of Android, including Android L. Whether you’re just getting started, or need to brush up on the latest features of Android, this should be the first book you reach for.” —Ray Rischpater, senior software engineer, Microsoft “This is the most comprehensive reference for programming Android. I still turn to it when I need to learn about a topic I am not familiar with.” —Douglas Jones, senior software engineer, Fullpower Technologies “The problem with many Android development titles is that they either assume the developer is completely new to development or is already an expert. Advanced Android™ Application Development, Fourth Edition, cuts the fluff and gets to the need to know of modern Android development.” —Phil Dutson, solution architect for mobile and UX, ICON Health & Fitness “Advanced Android™ Application Development, Fourth Edition, is an excellent guide for software developers, quality assurance personnel, and project managers who want to learn to plan, develop, and manage professional Android applications. The book explains several advanced Android topics through step-by-step running examples. The authors have done a great job explaining various Android APIs for threading, networking, location-based services, hardware sensors, animation, graphics, and more. This book is a classic investment.” —B.M. Harwani, author, The Android™ Tablet Developer’s Cookbook
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