return 0.0F;
return super.getAlignment(axis);
  public float getAlignment(int axis)  {    if (axis == X_AXIS)      return 0.0F;    if (axis == Y_AXIS)      {        if (getViewCount() == 0)          return 0.0F;        float prefHeight = getPreferredSpan(Y_AXIS);        float firstRowHeight = getView(0).getPreferredSpan(Y_AXIS);        return (firstRowHeight / 2.F) / prefHeight;      }    throw new IllegalArgumentException("Invalid Axis");  }