showDragHandle property
final
Specifies whether a drag handle is shown.
The drag handle appears at the top of the bottom sheet. The default color is
ColorScheme.onSurfaceVariant with an opacity of 0.4 and can be customized
using dragHandleColor. The default size is Size(32,4) and can be customized
with dragHandleSize.
If null, then the value of BottomSheetThemeData.showDragHandle is used. If that is also null, defaults to false.
Implementation
final bool? showDragHandle;