@Override
    public void setNumColumns(int numColumns) {
        super.setNumColumns(numColumns);
        mNumColumnsSet = true;
        this.mNumColumns = numColumns;
        if (numColumns != AUTO_FIT && mAdapter != null) {
            mAdapter.setNumColumns(numColumns);
        }
    }
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