tappable method
Implementation
Widget tappable(VoidCallback? onTap,
{double? padAmount, EdgeInsets? padding}) {
if (onTap == null) {
return this!;
}
return GestureDetector(
onTap: onTap,
behavior: HitTestBehavior.opaque,
child: this._pad(amount: padAmount, padding: padding),
);
}