@Deprecated
    public int getHeaderViewsCount() {
        return getHeaderLayoutCount();
    }
if setHeadView will be return 1 if not will be return 0.
notice: Deprecated! Use {@link ViewGroup#getChildCount()} of {@link #getHeaderLayout()} to replace.

@return
common/src/main/java/com/sxjs/common/base/baseadapter/BaseQuickAdapter.java