code: protected ScrollableScroller initScroller(Context context, Interpolator interpolator, boolean flywheel) {
          return new ScrollableScroller(context, interpolator, flywheel);
      }
docs: Override this method if you wish to create own {@link android.widget.Scroller}
  @param context {@link android.content.Context}
  @param interpolator {@link android.view.animation.Interpolator}, the default implementation passes <code>null</code>
  @param flywheel {@link android.widget.Scroller#Scroller(android.content.Context, android.view.animation.Interpolator, boolean)}
  @return new instance of {@link android.widget.Scroller} must not bu null