color property Null safety

Color? color
final

Color of the axis line. Color will be applied based on the brightness property of the app.

Defaults to null.

Widget build(BuildContext context) {
   return Container(
       child: SfCartesianChart(
           primaryXAxis: NumericAxis(
                axisLine:AxisLine(
                  color:Colors.blue,
                )
               ),
       ));
}

Implementation

final Color? color;