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Book Description

The professional programmer’s Deitel® guide to Android™ smartphone and tablet app development and the Eclipse IDE with the Android Development Tools (ADT) plug-in

Billions of apps have been downloaded from Android Market! This book gives you everything you’ll need to start developing great Android apps quickly and getting them published on Android Market. The book uses an app-driven approach—each new technology is discussed in the context of 16 fully tested Android apps, complete with syntax coloring, code walkthroughs and sample outputs. Apps you’ll develop include:
SpotOn Game
Slideshow
Flag Quiz
Route Tracker
Favorite Twitter® Searches
Address Book
Tip Calculator
Doodlz
Weather Viewer
Cannon Game
Voice Recorder
Pizza Ordering

Practical, example-rich coverage of:
Smartphone and Tablet Apps, Android Development Tools (ADT) Plug-In for Eclipse
Activities, Intents, Content Providers
GUI Components, Menus, Toasts, Resource Files, Touch and Gesture Processing
Tablet Apps, ActionBar and AppWidgets
Tweened Animations, Property Animations
Camera, Audio, Video, Graphics, OpenGL ES
Gallery and Media Library Access
SharedPreferences, Serialization, SQLite
Handlers and Multithreading, Games
Google Maps, GPS, Location Services, Sensors
Internet-Enabled Apps, Web Services, Telephony, Bluetooth®
Speech Synthesis and Recognition
Android Market, Pricing, Monetization
And more…

Table of Contents

Preface xiv

Before You Begin xxii

Chapter 1: Introduction to Android 1

1.1 Introduction 2

1.2 Android Overview 4

1.3 Android 2.2 (Froyo) 7

1.4 Android 2.3 (Gingerbread) 10

1.5 Android 3.0 (Honeycomb) 12

1.6 Android Ice Cream Sandwich 15

1.7 Downloading Apps from the Android Market 16

1.8 Packages 17

1.9 Android Software Development Kit (SDK) 18

1.10 Object Technology: A Quick Refresher 20

1.11 Test-Driving the Doodlz App in an Android Virtual Device (AVD) 23

1.12 Deitel Resources 32

1.13 Android Development Resources 33

1.14 Wrap-Up 34

Chapter 2: Android Market and App Business Issues 35

2.1 Introduction 36

2.2 Building Great Android Apps 36

2.3 Android Best Practices 38

2.4 Registering at Android Market 44

2.5 Setting Up a Google Checkout Merchant Account 44

2.6 AndroidManifest.xml File 45

2.7 Preparing Your Apps for Publication 46

2.8 Uploading Your Apps to Android Market 51

2.9 Other Android App Marketplaces 54

2.10 Pricing Your App: Free or Fee 54

2.11 Monetizing Apps with In-App Advertising 56

2.12 Monetizing Apps: Using In-App Billing to Sell Virtual Goods in Your Apps 57

2.13 Launching the Market App from Within Your App 59

2.14 Managing Your Apps in Android Market 59

2.15 Marketing Your App 59

2.16 Other Popular App Platforms 64

2.17 Android Developer Documentation 65

2.18 Android Humor 66

2.19 Wrap-Up 67

Chapter 3: Welcome App 68

Dive-Into® Eclipse and the ADT Plugin

3.1 Introduction 69

3.2 Technologies Overview 69

3.3 Eclipse IDE 70

3.4 Creating a New Project 71

3.5 Building the Welcome App’s GUI with the ADT’s Visual Layout Editor 74

3.6 Examining the main.xml File 87

3.7 Running the Welcome App 89

3.8 Wrap-Up 89

Chapter 4: Tip Calculator App 91

Building an Android App with Java

4.1 Introduction 92

4.2 Test-Driving the Tip Calculator App 93

4.3 Technologies Overview 94

4.4 Building the App’s GUI 94

4.5 Adding Functionality to the App 106

4.6 Wrap-Up 116

Chapter 5: Favorite Twitter® Searches App 117

SharedPreferences, Buttons, Nested Layouts, Intents, AlertDialogs, Inflating XML Layouts and the Manifest File

5.1 Introduction 118

5.2 Test-Driving the Favorite Twitter Searches App 119

5.3 Technologies Overview 121

5.4 Building the App’s GUI and Resource Files 123

5.5 Building the App 131

5.6 AndroidManifest.xml 142

5.7 Wrap-Up 143

Chapter 6: Flag Quiz Game App 146

Assets, AssetManager, Tweened Animations, Handler, Menus and Logging Error Messages

6.1 Introduction 147

6.2 Test-Driving the Flag Quiz Game App 151

6.3 Technologies Overview 151

6.4 Building the App’s GUI and Resource Files 153

6.5 Building the App 160

6.6 AndroidManifest.xml 174

6.7 Wrap-Up 175

Chapter 7: Cannon Game App 176

Listening for Touches and Gestures, Manual Frame-By-Frame Animation, Graphics, Sound, Threading, SurfaceView and SurfaceHolder

7.1 Introduction 177

7.2 Test-Driving the Cannon Game App 178

7.3 Technologies Overview 179

7.4 Building the App’s GUI and Resource Files 181

7.5 Building the App 183

7.6 Wrap-Up 203

Chapter 8: SpotOn Game App 204

Property Animation, ViewPropertyAnimator, AnimatorListener, Thread-Safe Collections, Default SharedPreferences for an Activity

8.1 Introduction 205

8.2 Test-Driving the SpotOn Game App 206

8.3 Technologies Overview 207

8.4 Building the App’s GUI and Resource Files 208

8.5 Building the App 210

8.6 Wrap-Up 224

Chapter 9: Doodlz App 225

Two-Dimensional Graphics, SensorManager, Multitouch Events and Toasts

9.1 Introduction 226

9.2 Test-Driving the Doodlz App 227

9.3 Technologies Overview 228

9.4 Building the App’s GUI and Resource Files 229

9.5 Building the App 234

9.6 Wrap-Up 256

Chapter 10: Address Book App 258

ListActivity, AdapterViews, Adapters, Multiple Activities, SQLite, GUI Styles, Menu Resources and MenuInflater

10.1 Introduction 259

10.2 Test-Driving the Address Book App 261

10.3 Technologies Overview 262

10.4 Building the GUI and Resource Files 263

10.5 Building the App 269

10.6Wrap-Up 290

Chapter 11: Route Tracker App 291

Google Maps API, GPS, LocationManager, MapActivity, MapView and Overlay

11.1 Introduction 292

11.2 Test-Driving the Route Tracker App 294

11.3 Technologies Overview 296

11.4 Building the GUI and Resource Files 298

11.5 Building the App 300

11.6 Wrap-Up 318

Chapter 12: Slideshow App 319

Gallery and Media Library Access, Built-In Content Providers, MediaPlayer, Image Transitions, Custom ListActivity Layouts and the View-Holder Pattern

12.1 Introduction 320

12.2 Test-Driving the Slideshow App 323

12.3 Technologies Overview 324

12.4 Building the GUI and Resource Files 327

12.5 Building the App 331

12.6 Wrap-Up 358

Chapter 13: Enhanced Slideshow App 360

Serializing Data, Taking Pictures with the Camera and Playing Video in a VideoView

13.1 Introduction 361

13.2 Test-Driving the Enhanced Slideshow App 362

13.3 Technologies Overview 363

13.4 Building the GUI and Resource Files 364

13.5 Building the App 367

13.6 Wrap-Up 389

Chapter 14: Weather Viewer App 390

Web Services, JSON, Fragment, ListFragment, DialogFragment, ActionBar, Tabbed Navigation, App Widgets, Broadcast Intents and BroadcastReceivers

14.1 Introduction 391

14.2 Test-Driving the Weather App 393

14.3 Technologies Overview 394

14.4 Building the App’s GUI and Resource Files 396

14.5 Building the App 399

14.6 Wrap-Up 459

Index 460

Chapters on the Web

See the Online Chapters section of the Preface for information on downloading these chapters.

Chapter 15: PHAB’s Pizza App

Text-to-Speech, Speech-to-Text and Telephony

Chapter 16: Voice Recorder App

Audio Recording and Playback

Chapter 17: Enhanced Address Book App

Bluetooth

Chapter 18: 3D Art App

OpenGL ES 3D Rendering

Chapter 19: HTML5 Favorite Twitter® Searches App

Bonus Chapter: HTML5, CSS3 and JavaScript for Experienced Web Developers