Android Apps with App Inventor: the Fast and Easy Way to Build Android Apps

Android Apps with App Inventor: the Fast and Easy Way to Build Android Apps

By: Joerg H. Kloss (author)Paperback

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Wi>Android Apps with App Inventor provides hands-on walkthroughs that cover every area of App Inventor development, including the Google and MIT versions of App Inventor. Kloss begins with the absolute basics of program structure, syntax, flow, and function, and then demonstrates simple ways to solve today's most common mobile development problems. Along the way, you'll build a dozen real Android apps, from games and geotrackers to navigation systems and news tickers. By the time you're done, you'll be comfortable implementing advanced apps and mashups integrating realtime multimedia data from all kinds of Web services with the communication and sensor-based features of your smartphone. Topics covered include * Installing and configuring App Inventor * Building modern, attractive mobile user interfaces * Controlling Android media hardware, including the camera * Saving data locally with TinyDB, or in the cloud with TinyWebDB * Streamlining and automating phone, text, and email communications * Tracking orientation, acceleration, and geoposition * Integrating text-to-speech and speech-to-text in your apps * Controlling other apps and Web services with ActivityStarter * Building mobile mashups by exchanging data with Web APIs * Testing your apps for diverse hardware with the Android Emulator * Example apps, including multimedia center, online vocabulary trainer, finger painting, squash game, compass, geocacher, navigator, stock market ticker, and many more This book will empower you to explore, experiment, build your skills and confidence, and start writing professional-quality Android apps-for yourself, and for everyone else! Companion files for this title can be found at

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About Author

Jorg H. Kloss has been actively involved with innovative information and communication technology for many years, and has developed Android applications with App Inventor since it was still in early closed beta. Kloss has developed 3D online information systems, and worked at Fraunhofer IAO's VRLab. He is the author of X3D: Programming Interactive 3D Applications for the Internet, published in German (Addison-Wesley, 2010), and is currently working on mobile augmented reality, ubiquitous computing, and contextual services.


Preface by Hal Abelson xv Preface xvii Acknowledgments xxi About the Author xxiii Introduction 1 Structure and Overview 2 Requirements 5 History 5 Part I: Preparing Your First App 13 Chapter 1: Preparation and Installation 15 System Requirements 17 Login Data for App Inventor 27 Installation of the App Inventor Setup Software 29 Android Device Settings 33 Chapter 2: The Development Environment 39 Welcome to App Inventor! 40 App Inventor Designer 41 App Inventor Blocks Editor 53 Integrate Android Phone 63 Using the Emulator 69 Start-Up Problems 72 Chapter 3: Developing Your First App 81 Creating the Project "LaughBag" 82 Designing the User Interface 84 Developing App Functionality 97 Creating and Installing the App 107 Part II: Easy Projects as a Warm-Up 131 Chapter 4: Basic Terms and Central Concepts 133 Properties and Property Blocks 133 Events and Event Handlers 135 Methods and Method Blocks 137 Chapter 5: The AI References 139 Component Reference 139 Blocks Reference 143 Concepts Reference 145 Chapter 6: Graphical User Interface 147 Displaying Text with the Label Component 147 Triggering Actions with the Button Component 150 Selecting Options with the CheckBox Component 153 Entering Text with the TextBox Component 158 Entering Confidential Text with the PasswordTextBox Component 161 Displaying Notices and Alerts with the Notifier Component 164 Tidying the Screen with the Screen Arrangement Components 167 Actions at App Start with the Screen Component 171 Chapter 7: Multimedia 175 Media Access Options 175 The Basic Principle: Synergy 178 Displaying Local and Online Images with the Image Component 179 Taking Photos and Displaying Them with the Camera Component 183 Managing Images with the ImagePicker Component 188 Sound Effects and Vibration with the Sound Component 192 Playing Audio Files with the Player Component 195 Playing Movies with the VideoPlayer Component 199 Recording Audio with the SoundRecorder Component 203 Chapter 8: Example Project: Creating a Media Center 211 Ergonomic Redesign of a Media Center 211 Multiple Screens for the Media Center 215 Part III: On the Way to Becoming an App Developer 221 Chapter 9: Program Development Basics 223 Elements of Data Processing 224 Using Colors with the Color Block Group 227 Processing Numbers with the Math Block Group 229 Checking Program States with the Logic Block Group 232 Editing Text and Strings with the Text Block Group 234 Defining Container Structures with the Definition Block Group 241 Managing Lists with the List Block Group 247 Controlling Program Flow with the Control Block Group 252 Tips for Program Development 267 Example Projects 278 Chapter 10: Storage and Databases 305 Saving Data Locally with the TinyDB Component 306 Saving Data on the Web with the TinyWebDB Component 313 Part IV: Developing Attractive Apps 327 Chapter 11: Graphics and Animation 329 Painting as if on a Canvas with the Canvas Component 330 Animations with the Ball and ImageSprite Components 345 Controlling Automatic Processes with the Clock Component 358 Chapter 12: Sensors 375 Measuring Orientation with the OrientationSensor Component 376 Measuring g-Force with the AccelerometerSensor Component 387 Determining Geoposition with the LocationSensor Component 403 Chapter 13: Communication 433 Task: Developing a Driver Assistance System 434 Managing SMS Messages Fully Automatically 450 Data Exchange via an Interface 462 Mobile Mashups with Web Services 487 Part V: Useful Things for the Developer 511 Chapter 14: Special Functional Areas 513 Application-Specific Components 513 Dedicated Component Groups 518 Chapter 15: Tips and Tools 527 Supported Media Formats 527 Control with the Java Console 530 Setting Up the Speech Module 535 Appendix: Additional Resources 541 On the Companion Website 541 Online Sources and Interesting Links 542 Index 545

Product Details

  • publication date: 28/02/2012
  • ISBN13: 9780321812704
  • Format: Paperback
  • Number Of Pages: 600
  • ID: 9780321812704
  • weight: 934
  • ISBN10: 0321812700

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