backdropOpacity property
The opacity of the backdrop when the panel is fully open. This value can range from 0.0 to 1.0 where 0.0 is completely transparent and 1.0 is completely opaque.
Implementation
final double backdropOpacity;
The opacity of the backdrop when the panel is fully open. This value can range from 0.0 to 1.0 where 0.0 is completely transparent and 1.0 is completely opaque.
final double backdropOpacity;