backgroundImage property

ImageProvider<Object>? backgroundImage

Data points or series can be selected while performing interaction on the chart. It can also be selected at the initial rendering using this property.

Defaults to [].

Widget build(BuildContext context) {
   return Container(
       child: SfCircularChart(
          series: <PieSeries<ChartData, String>>[
               PieSeries<ChartData, String>(
                 initialSelectedDataIndexes: <int>[2,0],
                 selectionSettings: SelectionSettings(
                   selectedColor: Colors.red.withOpacity(0.8),
                   unselectedColor: Colors.grey.withOpacity(0.5)
                 ),
               ),
             ],
       ));
}

Background image for chart.

Defaults to null.

Widget build(BuildContext context) {
   return Container(
       child: SfCircularChart(
           backgroundImage: const AssetImage('image.png'),
       ));
}

Implementation

///Background image for chart.
///
///Defaults to `null`.
///
///```dart
///Widget build(BuildContext context) {
///    return Container(
///        child: SfCircularChart(
///            backgroundImage: const AssetImage('image.png'),
///        ));
///}
///```
final ImageProvider? backgroundImage;