public void setForegroundLineSize(int size) {
        mLoadingDrawable.setForegroundLineSize(size);
        invalidate();
        requestLayout();
    }
Set the Foreground line size,
the unit is px, if you set dp plx use {@link net.qiujuer.genius.ui.Ui#dipToPx(Resources, float)}  }

@param size Foreground line size
caprice/ui/src/main/java/net/qiujuer/genius/ui/widget/Loading.java