Our Syncfusion Flutter chart widgets supports drilldown functionality. Drilldown functionality in chart is used to explore the data in more depth to reveal additional details. Drilldown feature can easily be implemented using the Syncfusion Flutter chart package and it is supported in all chart types including Cartesian, Circular, Funnel, Pyramid etc. You can implement drilldown functionality with the help of onPointTapped callback event available in the chart.
Documentation: https://help.syncfusion.com/flutter/circular-charts/callbacks#onpointtap
To run this application, you need to first clone or download the ‘drill down flutter circular chart’ repository and open it in your preferred IDE. Then, build and run your project to view the output.
For more help, check the Syncfusion Flutter documentation, or Flutter documentation.