overlayWidget property
Widget to show beside the selected alphabet if not specified it will be hidden.
overlayWidget:(value)=>
Container(
height: 50,
width: 50,
alignment: Alignment.center,
color: Theme.of(context).primaryColor,
child: Text(
'$value'.toUpperCase(),
style: TextStyle(fontSize: 20, color: Colors.white),
),
)
Implementation
final Widget Function(String)? overlayWidget;