Creates an ink well.
Must have an ancestor Material widget in which to cause ink reactions.
Source
InkWell({
Key key,
Widget child,
GestureTapCallback onTap,
GestureTapCallback onDoubleTap,
GestureLongPressCallback onLongPress,
ValueChanged<bool> onHighlightChanged
}) : super(
key: key,
child: child,
onTap: onTap,
onDoubleTap: onDoubleTap,
onLongPress: onLongPress,
onHighlightChanged: onHighlightChanged,
containedInkWell: true,
highlightShape: BoxShape.rectangle
);