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Quick Quiz

1. How can UI components enhance the design of an app in MIT App Inventor?

a. By providing interactive elements like buttons, labels and text boxes

b. By improving app functionality without focusing on visual elements

2. Which section of the project designer window lists all added components in a hierarchy?

a. Palette Pane b. Components Pane

Recap

MIT App Inventor is a user-friendly tool that lets you create mobile apps without complex coding.
You should have a Gmail account to use the MIT App Inventor.
The Project Designer window in the MIT App Inventor is where you create and design the user
interface (UI) of your app.
User Interface (UI) components are the visual elements that users can see and interact within your
app. It provides a wide range of UI components that you can drag and drop to design your app.
In MIT App Inventor, the Blocks Editor is where you design your app’s actions.
You can test your app using the MIT AI2 Companion on a mobile device to check its functionality.

Assess Yourself

Choose the correct option.

1. Which MIT App Inventor block is used to create reusable actions or instructions?
a. Control b. Variables

c. Procedures d. Logic

2. Identify the UI component used to display a message or instruction in your app.
a. Button b. Label

c. TextBox d. ListView

3. What type of interface does MIT App Inventor use?

a. Text-based interface b. Command-line interface

c. Block-based interface d. None of these

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