@FlexboxLayout.DividerMode
    public int getShowDividerVertical() {
        return mShowDividerVertical;
    }
Set a drawable to be used as a vertical divider between items.

@param divider Drawable that will divide each item.
@see #setDividerDrawable(Drawable)
@see #setShowDivider(int)
@see #setShowDividerVertical(int)
common/src/main/java/com/sxjs/common/widget/flexboxlayout/FlexboxLayout.java