Chart title in Flutter Pyramid Chart (SfPyramidChart)

20 Jul 20254 minutes to read

You can define and customize the chart title using title property of SfPyramidChart. The text property of ChartTitle is used to set the text for the title.

The Following properties can be used to customize its appearance.

  • backgroundColor - used to change the background color.
  • borderColor - used to change the border color.
  • borderWidth - used to change the border width.
  • textStyle - used to change the text color, size, font family, fontStyle, and font weight.
  • color - used to change the color of the text.
  • fontFamily - used to change the font family for chart title.
  • fontStyle - used to change the font style for the chart title.
  • fontSize - used to change the font size for the chart title.

Title Alignment

You can align the title text content horizontally to the near, center, or far of the chart using the alignment property of the title.

@override
    Widget build(BuildContext context) {
      return Scaffold(
        body: Center(
          child: Container(
            child: SfPyramidChart(
              title: ChartTitle(
                text: 'Half yearly sales analysis',
                backgroundColor: Colors.lightGreen,
                borderColor: Colors.blue,
                borderWidth: 2,
                // Aligns the chart title to left
                alignment: ChartAlignment.near,
                textStyle: TextStyle(
                  color: Colors.red,
                  fontFamily: 'Roboto',
                  fontStyle: FontStyle.italic,
                  fontSize: 14,
                )
              ),
              // Initialize category axis
              series: PyramidSeries<ChartData, String>(
                  dataSource: [
                    // Bind data source
                    ChartData('Jan', 35),
                    ChartData('Feb', 28),
                    ChartData('Mar', 34),
                    ChartData('Apr', 32),
                    ChartData('May', 40)
                  ],
                  xValueMapper: (ChartData data, _) =>   data.x,
                  yValueMapper: (ChartData data, _) => data.y
                )
            )
          )
        )
      );
    }

Chart title