background
Sets a solid-color background — shorthand for background(solidColor(color, alpha)).
Parameters
color
Fill color of the background.
alpha
Opacity applied on top of color's own alpha, from 0f to 1f. Defaults to 1f.
Sets the tile's background, built with solidColor or one of the gradient helpers (linearGradient, horizontalGradient, verticalGradient, radialGradient, sweepGradient).