Unit 0

Overview: In this preview unit, you be introduced to learn what it takes to become an App Inventor. You will:

1. Practice pair programming

2. Review fundamental computer science concepts

3. Build the Hello Purr and Talk to Me apps

4. Customize your portfolio page

Learning Objectives: In this unit, you will learn to:

• edit and customize an electronic portfolio

• effectively work in pairs to program an app

• identify the features of App Inventor's user interface in the Design screen and tools for programming its behavior in the Blocks Editor

• pair program to build apps with media (images and sound)

• test and deploy apps to a mobile device

Computer Science Concepts:

• events and event handlers

• user interface

• pair programming

App Inventor Concepts & Components:

• App Inventor interface:

  • Designer

  • Blocks Editor

• live development & testing with AI Companion

• design properties (e.g., background color)

• components:

  • label

  • image

  • button

  • sound player