private void reset() {
        mHeaderBottomPosition = 0;
        swapStickiedHeader(null);
        mCurrentHeaderId = INVALID_ROW_ID;
    }
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