@Override
    public void setVerticalSpacing(int verticalSpacing) {
        super.setVerticalSpacing(verticalSpacing);
        mVerticalSpacing = verticalSpacing;
    }
If set to true, headers will ignore horizontal padding.

@param b if true, horizontal padding is ignored by headers
Library/src/com/tonicartos/widget/stickygridheaders/StickyGridHeadersGridView.java