OpacityModifier constructor
const
OpacityModifier({})
Creates a widget that makes its child partially transparent.
The opacity
argument must not be null and must be between 0.0 and 1.0
(inclusive).
Implementation
const OpacityModifier({
super.key,
super.child,
super.modifierKey,
required this.opacity,
this.alwaysIncludeSemantics = false,
}) : assert(opacity >= 0.0 && opacity <= 1.0);