code: public static ViewDragHelper create(ViewGroup forParent, Interpolator interpolator, Callback cb) {
          return new ViewDragHelper(forParent.getContext(), forParent, interpolator, cb);
      }
docs: Factory method to create a new ViewDragHelper with the specified interpolator.
  
  @param forParent Parent view to monitor
  @param interpolator interpolator for scroller
  @param cb Callback to provide information and receive events
  @return a new ViewDragHelper instance