MIT App Inventor GUI Elements

What is the purpose of a TextBox in MIT App Inventor?

• To show notifications to the user.

• To create buttons for user interaction.

• To display images to the user.

• To allow user input of text data.

How does a Button function in an application created with MIT App Inventor?

• A Button displays a message when hovered over.

• A Button triggers an event that performs actions when clicked.

• A Button changes color when pressed and does nothing else.

• A Button is used to navigate between different screens automatically.

What is the difference between a Radio Button and a CheckBox?

• Radio Button: single selection; CheckBox: multiple selections.

• Radio Button: can be toggled on and off; CheckBox: cannot be toggled.

• Radio Button: used for text input; CheckBox: used for image selection.

• Radio Button: allows multiple selections; CheckBox: single selection.

Describe the use of a ListBox in an app interface.

• A ListBox is primarily for displaying video content in an app interface.

• A ListBox is used to display images in an app interface.

• A ListBox allows users to input text directly into the app interface.

• A ListBox is used to display a list of selectable items in an app interface, allowing users to choose one or more options.

What is a Spinner and how is it different from a ListBox?

• A Spinner allows multiple selections, while a ListBox allows only one.

• A Spinner is used for displaying images, while a ListBox is for text items.

• A Spinner is a single-item selector, while a ListBox displays multiple items for selection.

• A Spinner is a dropdown menu, while a ListBox is a pop-up window.

What role does an ImageView play in an app?

• An ImageView plays audio in an app.

• An ImageView stores data in an app.

• An ImageView manages user input in an app.

• An ImageView displays images in an app.

How can a Rating Bar enhance user experience?

• A Rating Bar enhances user experience by providing an intuitive and engaging way for users to give feedback.

• A Rating Bar complicates the feedback process for users.

• A Rating Bar is only useful for visual design purposes.

• A Rating Bar discourages users from providing feedback.

What is the purpose of a Progress Bar in an application?

• To display advertisements in an application.

• To indicate the completion status of a task in an application.

• To enhance the visual design of an application.

• To provide user feedback on button clicks.

How does a Toggle Button differ from a Switch?

• A Toggle Button is a compact control for switching states, while a Switch is a more pronounced control for turning features on or off.

• A Toggle Button is used for volume control, while a Switch is for changing channels.

• A Toggle Button is a large control for adjusting brightness, while a Switch is a small control for turning on lights.

• A Toggle Button is primarily used in mobile apps, while a Switch is only used in desktop applications.