SfCircularChart class

Renders the circular chart

Widget build(BuildContext context) {
 return Center(
   child:SfCircularChart(
   title: ChartTitle(text: 'Sales by sales person'),
   legend: Legend(isVisible: true),
   series: <PieSeries<_PieData, String>>[
     PieSeries<_PieData, String>(
       explode: true,
       explodeIndex: 0,
       dataSource: pieData,
       xValueMapper: (_PieData data, _) => data.xData,
       yValueMapper: (_PieData data, _) => data.yData,
       dataLabelMapper: (_PieData data, _) => data.text,
       dataLabelSettings: DataLabelSettings(isVisible: true)),
   ]
  )
 );
}

class _PieData {
 _PieData(this.xData, this.yData, [this.text]);
 final String xData;
 final num yData;
 final String text;
}

Constructors

SfCircularChart({Key key, Color backgroundColor, ImageProvider backgroundImage, List<CircularChartAnnotation> annotations, Color borderColor: Colors.transparent, double borderWidth: 0.0, CircularLegendRenderCallback onLegendItemRender, CircularTooltipCallback onTooltipRender, CircularDatalabelRenderCallback onDataLabelRender, CircularPointTapCallback onPointTapped, ChartLegendTapCallback onLegendTapped, CircularSelectionCallback onSelectionChanged, List<Color> palette: const [Color.fromRGBO(53, 92, 125, 1), Color.fromRGBO(192, 108, 132, 1), Color.fromRGBO(246, 114, 128, 1), Color.fromRGBO(248, 177, 149, 1), Color.fromRGBO(116, 180, 155, 1), Color.fromRGBO(0, 168, 181, 1), Color.fromRGBO(73, 76, 162, 1), Color.fromRGBO(255, 205, 96, 1), Color.fromRGBO(255, 240, 219, 1), Color.fromRGBO(238, 238, 238, 1)], ChartTitle title, EdgeInsets margin, List<CircularSeries> series, Legend legend, String centerX, String centerY, TooltipBehavior tooltipBehavior, List<IndexesModel> initialSelectedDataIndexes, ActivationMode selectionGesture, bool enableMultiSelection })

Properties

annotations List<CircularChartAnnotation>
Customizes the annotations. Annotations are used to mark the specific area of interest in the plot area with texts, shapes, or images [...]
final
backgroundColor Color
Background color of the chart [...]
final
backgroundImage → ImageProvider
Background image for chart. [...]
final
borderColor Color
Border color of the chart [...]
final
borderWidth double
Border width of the chart [...]
final
centerX String
X value for placing the chart. [...]
final
centerY String
Y value for placing the chart. [...]
final
enableMultiSelection bool
Enables or disables the multiple data points or series selection. [...]
final
initialSelectedDataIndexes List<IndexesModel>
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. [...]
final
legend Legend
Customizes the legend in the chart [...]
final
margin → EdgeInsets
Margin for chart [...]
final
onDataLabelRender CircularDatalabelRenderCallback
Occurs while rendering the data label. The data label and text styles such as color, font size, and font weight can be customized. You can get the series index, point index, text, and text style. [...]
final
onLegendItemRender CircularLegendRenderCallback
Occurs while legend is rendered. Here, you can get the legend’s text, shape series index, and point index case of circular series. [...]
final
onLegendTapped ChartLegendTapCallback
Occurs when the legend is tapped. Here, you can get the series, series index, and point index. [...]
final
onPointTapped CircularPointTapCallback
Occurs when tapping a series point. Here, you can get the series, series index and point index. [...]
final
onSelectionChanged CircularSelectionCallback
Occurs while selection changes. Here, you can get the series, selected color, unselected color, selected border color, unselected border color, selected border width, unselected border width, series index, and point index. [...]
final
onTooltipRender CircularTooltipCallback
Occurs while tooltip is rendered. You can customize the position and header. Here, you can get the text, header, point index, series, x and y-positions. [...]
final
palette List<Color>
Color palette for the data points in the chart series. If the series color is not specified, then the series will be rendered with appropriate palette color. Ten colors are available by default. [...]
final
selectionGesture ActivationMode
Gesture for activating the selection. Selection can be activated in tap, double tap, and long press. [...]
final
series List<CircularSeries>
Customizes the chart series. [...]
final
title ChartTitle
Customizes the chart title [...]
final
tooltipBehavior TooltipBehavior
Customizes the tooltip in chart [...]
final
hashCode int
The hash code for this object. [...]
read-only, inherited
key → Key
Controls how one widget replaces another widget in the tree. [...]
final, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited

Methods

createState() → State<StatefulWidget>
Creates the mutable state for this widget at a given location in the tree. [...]
createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree. [...]
inherited
debugDescribeChildren() List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children. [...]
@protected, inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node. [...]
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
toDiagnosticsNode({String name, DiagnosticsTreeStyle style }) → DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep. [...]
inherited
toString({DiagnosticLevel minLevel: DiagnosticLevel.debug }) String
Returns a string representation of this object.
inherited
toStringDeep({String prefixLineOne: '', String prefixOtherLines, DiagnosticLevel minLevel: DiagnosticLevel.debug }) String
Returns a string representation of this node and its descendants. [...]
inherited
toStringShallow({String joiner: ', ', DiagnosticLevel minLevel: DiagnosticLevel.debug }) String
Returns a one-line detailed description of the object. [...]
inherited
toStringShort() String
A short, textual description of this widget.
inherited

Operators

operator ==(dynamic other) bool
The equality operator. [...]
inherited