onAxisLabelRender property Null safety

ChartAxisLabelRenderCallback? onAxisLabelRender
final

Occurs while rendering the axis labels. Text and text styles such as color, font size, and font weight can be customized.

Widget build(BuildContext context) {
   return Container(
       child: SfCartesianChart(
           onAxisLabelRender: (AxisLabelRenderArgs args) => axis(args),
       ));
}
void axis(AxisLabelRenderArgs args) {
  args.text = 'axis Label';
}

Implementation

//ignore: deprecated_member_use_from_same_package
final ChartAxisLabelRenderCallback? onAxisLabelRender;