customContainer property
For example,
RangeInput(
...
id="range-input",
customContainer: (showError, childWidget) {
return Container(
padding: const EdgeInsets.all(8.0),
height: 50,
decoration: BoxDecoration(
border: Border.all(
color: showError ? Colors.red : Colors.grey,
width: 1.5,
),
borderRadius: BorderRadius.circular(3),
),
child: childWidget,
);
},
Implementation
final Container Function(bool showError, Widget childWidget)? customContainer;