Hello Android (3rd Edition)，英文书籍，适用于android入门！ Android is an open source software toolkit for mobile phones that was created by Google and the Open Handset Alliance. It’s inside millions of cell phones and other mobile devices, making Android a major platform for application developers. Whether you’re a hobbyist or a professional programmer, whether you are doing it for fun or for profit, it’s time to learn more about developing for Android. This book will help you get started. Contents Acknowledgments 9 Preface 10 What Makes Android Special?.... . . 10 Who Should Read This Book?....11 What’s in This Book?...... 12 What’s New in the Third Edition?.... . 12 Online Resources...... . . 14 Fast-Forward >>...... . . 14 I Introducing Android 16 1 Quick Start 17 1.1 Installing the Tools..... . 17 1.2 Creating Your First Program.... 23 1.3 Running on the Emulator.... . 23 1.4 Running on a Real Phone.... . 28 1.5 Fast-Forward >>.....29 2 Key Concepts 30 2.1 The Big Picture.....30 2.2 It’s Alive!......35 2.3 Building Blocks.....39 2.4 Using Resources..... . . 40 2.5 Safe and Secure.....40 2.6 Fast-Forward >>.....41 CONTENTS 6 II Android Basics 42 3 Designing the User Interface 43 3.1 Introducing the Sudoku Example... . 43 3.2 Designing by Declaration.... . 44 3.3 Creating the Opening Screen...45 3.4 Using Alternate Resources.... . 55 3.5 Implementing an About Box.... 57 3.6 Applying a Theme..... . . 61 3.7 Adding a Menu.....64 3.8 Adding Settings.....65 3.9 Starting a New Game..... 66 3.10 Debugging...... . . 69 3.11 Exiting the Game..... . . 71 3.12 Fast-Forward >>.....71 4 Exploring 2D Graphics 73 4.1 Learning the Basics..... . 73 4.2 Adding Graphics to Sudoku.... 78 4.3 Handling Input.....87 4.4 The Rest of the Story..... 93 4.5 Making More Improvements.... 103 4.6 Fast-Forward >>.....103 5 Multimedia 105 5.1 Playing Audio...... 105 5.2 Playing Video...... 112 5.3 Adding Sounds to Sudoku.... . 115 5.4 Fast-Forward >>.....119 6 Storing Local Data 120 6.1 Adding Options to Sudoku.... . 120 6.2 Continuing an Old Game.... . 122 6.3 Remembering the Current Position... 124 6.4 Accessing the Internal File System... 126 6.5 Accessing SD Cards..... 127 6.6 Fast-Forward >>.....128 CONTENTS 7 III Beyond the Basics 129 7 The Connected World 130 7.1 Browsing by Intent..... . 131 7.2 Web with a View.....135 7.3 From JavaScript to Java and Back... 140 7.4 Using Web Services..... . 147 7.5 Fast-Forward >>.....160 8 Locating and Sensing 161 8.1 Location, Location, Location.... 161 8.2 Set Sensors to Maximum.... . 168 8.3 Bird’s-Eye View.....172 8.4 Fast-Forward >>.....177 9 Putting SQL to Work 178 9.1 Introducing SQLite..... . 178 9.2 SQL 101......179 9.3 Hello, Database.....181 9.4 Data Binding...... . 189 9.5 Using a ContentProvider.... . . 192 9.6 Implementing a ContentProvider... . 195 9.7 Fast-Forward >>.....196 10 3D Graphics in OpenGL 198 10.1 Understanding 3D Graphics.... 198 10.2 Introducing OpenGL..... 199 10.3 Building an OpenGL Program...200 10.4 Rendering the Scene..... 202 10.5 Building a Model..... . . 206 10.6 Lights, Camera, ........ . 209 10.7 Action!....... 212 10.8 Applying Texture..... . . 212 10.9 Peekaboo......216 10.10 Measuring Smoothness.... . . 217 10.11 Fast-Forward >>.....218 CONTENTS 8 IV The Next Generation 219 11 Multi-Touch 220 11.1 Introducing Multi-Touch.... . . 220 11.2 Building the Touch Example...222 11.3 Understanding Touch Events...225 11.4 Setting Up for Image Transformation.. . . 228 11.5 Implementing the Drag Gesture... . . 229 11.6 Implementing the Pinch Zoom Gesture.. . 230 11.7 Fast-Forward >>.....232 12 There’s No Place Like Home 233 12.1 Hello, Widget...... . 233 12.2 Live Wallpaper...... 242 12.3 Fast-Forward >>.....254 13 Write Once, Test Everywhere 256 13.1 Gentlemen, Start Your Emulators... 257 13.2 Building for Multiple Versions...257 13.3 Evolving with Android APIs.... 259 13.4 Bug on Parade...... 265 13.5 All Screens Great and Small.... 267 13.6 Installing on the SD Card.... . 268 13.7 Fast-Forward >>.....270 14 Publishing to the Android Market 271 14.1 Preparing......271 14.2 Signing....... 272 14.3 Publishing...... . . 273 14.4 Updating......275 14.5 Closing Thoughts..... . . 276 V Appendixes 277 A Java vs. the Android Language and APIs 278 A.1 Language Subset..... . . 278 A.2 Standard Library Subset.... . . 280 A.3 Third-Party Libraries..... 281 B Bibliography 282 Index 283