fan_slice_widget library Null safety

Classes

FanSliceWidget
FanSliceWidget is responsible to render a slice of the wheel, just like a slice of birthday cake. It is responsible to hold/draw the FanPieces in the same group
FanSliceWidgetState
FanSliceWidget is responsible to render a slice of the wheel, just like a slice of birthday cake. It is responsible to hold/draw the FanPieces in the same group