COLORING APP USING MIT APP INVENTOR WITH FREE AIA DOWNLOAD

COLORING APP USING MIT APP INVENTOR

1. Set Up the Screen (Designer View)
Add a Background Image

Drag a Canvas component onto the screen.

Set:BackgroundImage → choose your picture (e.g., a drawing).

Width → Fill parent

Height → Fill parent (or a fixed height)

Set:PaintColor → default color (e.g., black)

LineWidth → default brush size (e.g., 5)

COLORING APP USING MIT APP INVENTOR

Add Brush Size Slider

Add a Slider component:

Set MinValue = 1

Set MaxValue = 50

Set ThumbPosition = 5 (default brush size)

Optionally: Add a Label to show the current brush size.

COLORING APP USING MIT APP INVENTOR

Add Color Buttons

Add 5–8 Button components for choosing colors:

ButtonRed

ButtonBlue

ButtonGreen

ButtonYellow

ButtonBlack
…or as many colors as you like.

Set each button’s:

BackgroundColor to the actual color

Text to blank (" ") or color name