A quick-start example to help you to customize the selection using decoration in the Flutter Calendar.
You can decorate the selection view of calendar by using the selectionDecoration property of Calendar.
You can also refer our UG documentation to know more about SelectionDecoration
To run this application, you need to first clone or download the ‘create a flutter maps widget in 10 minutes’ 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, Flutter documentation.