performLayout method
Implementation
@override
void performLayout(Constraints constraints) {
final int labelLen =
(label != null && label!.isNotEmpty) ? 1 + label!.length : 0;
size = Size(1 + labelLen, 1);
}
@override
void performLayout(Constraints constraints) {
final int labelLen =
(label != null && label!.isNotEmpty) ? 1 + label!.length : 0;
size = Size(1 + labelLen, 1);
}