Introduction to App Inventor

What is App Inventor used for?

• App Inventor is used for designing websites.

• App Inventor is used for managing databases.

• App Inventor is used for creating video games.

• App Inventor is used for creating mobile applications.

Who developed App Inventor?

• Microsoft

• Apple

• IBM

• Google and MIT

What programming paradigm does App Inventor use?

• Object-oriented programming paradigm

• Visual programming paradigm

• Functional programming paradigm

• Procedural programming paradigm

Name one basic component of an App Inventor application.

• Image

• Label

• Button

• TextField

What is the purpose of the Designer in App Inventor?

• To manage the app's database.

• To test the app's performance.

• To create the user interface of the app.

• To write the app's backend code.

How can you change the background color of a screen in App Inventor?

• Change the 'TextColor' property of the screen component.

• Change the 'BackgroundColor' property of the screen component.

• Adjust the 'FontSize' property of the screen component.

• Set the 'ScreenColor' property in the settings menu.

What is a Button component used for?

• To navigate between different pages.

• To trigger actions or events in user interfaces.

• To create text input fields.

• To display images in user interfaces.

What does the Label component do in an app?

• The Label component manages the app's state.

• The Label component handles user input validation.

• The Label component adds animations to UI elements.

• The Label component provides a description for UI elements.

How do you add an image to your app in App Inventor?

• Use the Camera component to take a picture.

• Upload the image to the Media section and set the Image component's Picture property.

• Drag and drop the image directly onto the screen.

• Set the Image component's Background property instead.

What is the function of the Blocks Editor?

• The Blocks Editor is a tool for graphic design.

• The function of the Blocks Editor is to enable users to build applications using a visual interface with code blocks.

• The Blocks Editor compiles code into machine language.

• The Blocks Editor is used for text editing only.