align = 0.0F;
align = 0.5F;
  public float getAlignment(int axis)  {    float align;    if (axis == X_AXIS)      align = super.getAlignment(axis);    else if (getViewCount() > 0)      {        float prefHeight = getPreferredSpan(Y_AXIS);        float firstRowHeight = getView(0).getPreferredSpan(Y_AXIS);        align = (firstRowHeight / 2.F) / prefHeight;      }    else      align = 0.0F;    return align;  }