AbsorbPointer constructor

const AbsorbPointer({Key key, bool absorbing: true, Widget child, bool ignoringSemantics })

Creates a widget that absorbs pointers during hit testing.

The absorbing argument must not be null

Implementation 

const AbsorbPointer({
  Key key,
  this.absorbing = true,
  Widget child,
  this.ignoringSemantics,
}) : assert(absorbing != null),
     super(key: key, child: child);