App Inventor Flashcards
Event
An action that causes something to happen
command
the blocks of code that actually do the work of the app
palette
the section in the design view that shows a list of components that you cab add to your app
viewer
the section in the design view that shows what the app will look like
components
the section in the design view that show what item have already been dded to your app
properties
the section in the design view thats shows what you can change about the current component
media
the section in the design view that shows any images and sounds you have currently uploaded to your app
blockly
blockly is the name of the visual programming editor that app inventor uses to make the blocks in the browser
designer
the screen where you can drag and drop component pieces and design your app
accelerometer sensor
non-visible component that can detect shaking
horizontal arrangement
a component in app inventor that lets you place things next to each other horizontally
canvas
a two dimensional touch-sensitive rectangular panel in app inventor on which drawing can be done and sprites or a ball object can be moved.
heading
a property of the ball component in app inventor. this specifies the direction in which the ball travels
interval
A property of the “ball” component in AppInventor. This specifies the frequency of the ball movement
Interval is measure in milliseconds
radius
property of the “ball” component in AppInventor. This specifies the size of the ball
Radius is measured in pixels
speed
property of the “ball” component in AppInventor. This specifies how fast the ball travels
Speed is measured in pixels per second
conditional statement (if block)
a set of rules performed if a certain condition is met. (Example - IF a checkbox is checked THEN execute the command)
