build method
Implementation
@override
Widget build(BuildContext context) {
if (value) {
return IconButton(icon: _onWidget, color: colorOn, iconSize: iconSize, onPressed: () => update(!value, fire: true));
} else {
return IconButton(icon: _offWidget, color: colorOff, iconSize: iconSize, onPressed: () => update(!value, fire: true));
}
}