Events
This action, often associated with buttons, triggers an event when a user presses a specific area on the screen.
What is a click?
A component that detects clicks.
What is a button?
A design principle that focuses on making sure an app is easy to understand.
What is clarity?
An algorithm that runs when a specific event occurs.
What is an event handler? (Also called an event listener)
This event is triggered when a screen first opens. HINT: check the available code for your screen component.
What is .initialize?
A component that displays non-editable text.
What is a label?
The section of the screen in App Inventor where you view and edit your User Interface.
What is the Viewer pane?
An action or occurrence that happens when the app is running.
An appropriate component to use to display large amounts of text on the screen, or for text input.
What is a textbox?
A loading bar is an example of this User Interface design principle.
What is feedback?
Style of programming where the program is driven by input.
What is event-driven programming?
This component is helpful for creating a dynamic portion of the screen, where the user can drag items or draw. HINT: check the drawing and animation section
What is a canvas?
An appropriate event to listen for if you'd like a user to be able to move an item with their finger.
What is .dragged?