opacityHalf method
Applies 50% opacity to the widget.
This is a convenience method equivalent to calling opacity(0.5).
Commonly used for creating semi-transparent overlays or disabled states.
Returns an Opacity widget with 50% opacity.
Example:
Icon(Icons.star)
.opacityHalf(); // Creates a semi-transparent star icon
Implementation
Opacity opacityHalf() => opacity(0.5);