Books & Videos

Table of Contents

  1. Chapter 1 Hello Purr

    1. What You’ll Learn

    2. The App Inventor Environment

    3. Designing the Components

    4. Adding Behaviors to the Components

    5. Packaging the App for Downloading

    6. Sharing the App

    7. Variations

    8. Summary

  2. 12 Customizable Apps

    1. Chapter 2 PaintPot

      1. What You’ll Learn
      2. Getting Started
      3. Designing the Components
      4. Adding Behaviors to the Components
      5. The Complete App: PaintPot
      6. Variations
      7. Summary
    2. Chapter 3 MoleMash

      1. What You’ll Build
      2. What You’ll Learn
      3. Getting Started
      4. Adding Behaviors to the Components
      5. The Complete App: MoleMash
      6. Variations
      7. Summary
    3. Chapter 4 No Texting While Driving

      1. What You’ll Learn
      2. Getting Started
      3. The Complete App: No Texting While Driving
      4. Variations
      5. Summary
    4. Chapter 5 Ladybug Chase

      1. What You’ll Build
      2. What You’ll Learn
      3. Designing the Components
      4. Getting Started
      5. Animating the Ladybug
      6. Displaying the Energy Level
      7. Adding an Aphid
      8. Adding a Restart Button
      9. Adding the Frog
      10. Adding Sound Effects
      11. Variations
      12. Summary
    5. Chapter 6 Paris Map Tour

      1. What You’ll Learn
      2. Designing the Components
      3. Setting the Properties of ActivityStarter
      4. Adding Behaviors to the Components
      5. Setting Up a Virtual Tour
      6. Variations
      7. Summary
    6. Chapter 7 Android, Where’s My Car?

      1. What You’ll Learn
      2. Getting Started
      3. Designing the Components
      4. Adding Behaviors to the Components
      5. The Complete App: Android, Where’s My Car?
      6. Variations
      7. Summary
    7. Chapter 8 Presidents Quiz

      1. What You’ll Learn
      2. Getting Started
      3. Designing the Components
      4. Adding Behaviors to the Components
      5. Making the Quiz Easy to Modify
      6. Switching the Image for Each Question
      7. Checking the User’s Answers
      8. The Complete App: The Presidents Quiz
      9. Variations
      10. Summary
    8. Chapter 9 Xylophone

      1. What You’ll Build
      2. What You’ll Learn
      3. Getting Started
      4. Designing the Components
      5. Creating the Keyboard
      6. Recording and Playing Back Notes
      7. Variations
      8. Summary
    9. Chapter 10 MakeQuiz and TakeQuiz

      1. What You’ll Learn
      2. Getting Started
      3. Designing the Components
      4. Adding Behaviors to the Components
      5. The Complete App: MakeQuiz
      6. TakeQuiz: An App for Taking the Quiz in the Database
      7. TakeQuiz: Modifying the Blocks to Load the Quiz from the Database
      8. The Complete App: TakeQuiz
      9. Variations
      10. Summary
    10. Chapter 11 Broadcast Hub

      1. What You’ll Learn
      2. Getting Started
      3. Designing the Components
      4. Adding Behaviors to the Components
      5. The Complete App: Broadcast Hub
      6. Variations
      7. Summary
    11. Chapter 12 NXT Remote Control

      1. What You’ll Learn
      2. Getting Started
      3. Designing the Components
      4. Adding Behaviors to the Components
      5. Variations
      6. Summary
    12. Chapter 13 Amazon at the Bookstore

      1. What You’ll Learn
      2. What Is an API?
      3. Designing the Components
      4. Designing the Behavior
      5. Customizing the API
      6. Variations
      7. Summary
  3. Inventor’s Manual

    1. Chapter 14 Understanding an App’s Architecture

      1. Components
      2. Behavior
      3. Summary
    2. Chapter 15 Engineering and Debugging an App

      1. Software Engineering Principles
      2. Debugging an App
      3. Summary
    3. Chapter 16 Programming Your App’s Memory

      1. Named Memory Slots
      2. Properties
      3. Defining Variables
      4. Setting and Getting a Variable
      5. Setting a Variable to an Expression
      6. Summary
    4. Chapter 17 Creating Animated Apps

      1. Adding a Canvas Component to Your App
      2. The Canvas Coordinate System
      3. Animating Objects with Timer Events
      4. High-Level Animation Functions
      5. Interactive Animation
      6. Specifying Sprite Animation Without a Clock Timer
      7. Summary
    5. Chapter 18 Programming Your App to Make Decisions: Conditional Blocks

      1. Testing Conditions with if and ifelse Blocks
      2. Programming an Either/Or Decision
      3. Programming Conditions Within Conditions
      4. Programming Complex Conditions
      5. Summary
    6. Chapter 19 Programming Lists of Data

      1. Creating a List Variable
      2. Selecting an Item in a List
      3. Using an Index to Traverse a List
      4. Creating Input Forms and Dynamic Lists
      5. Lists of Lists
      6. Summary
    7. Chapter 20 Repeating Blocks: Iteration

      1. Controlling an App’s Execution: Branching and Looping
      2. Repeating Functions on a List Using foreach
      3. A Second foreach Example: Displaying a List
      4. Repeating Blocks with while
      5. Summary
    8. Chapter 21 Defining Procedures: Reusing Blocks

      1. Eliminating Redundancy
      2. Defining a Procedure
      3. Calling a Procedure
      4. The Program Counter
      5. Adding Parameters to Your Procedure
      6. Returning Values from a Procedure
      7. Reusing Blocks Among Apps
      8. A Second Example: distanceBetweenPoints
      9. Summary
    9. Chapter 22 Working with Databases

      1. Storing Persistent Data in TinyDB
      2. Retrieving Data from TinyDB
      3. Storing and Sharing Data with TinyWebDB
      4. Storing Data with TinyWebDB
      5. Requesting and Processing Data with TinyWebDB
      6. GetValue-GotValue in Action
      7. Setting Up a Web Database
      8. Summary
    10. Chapter 23 Reading and Responding to Sensors

      1. Creating Location-Aware Apps
      2. Using the Orientation Sensor
      3. Using the Accelerometer
      4. Summary
    11. Chapter 24 Communicating with Web APIs

      1. Talking to Web APIs That Generate Images
      2. Talking to Web Data APIs
      3. Creating Your Own App Inventor–Compliant APIs
      4. Summary
  1. Colophon