android java设置控件不可见+高度=0

holder.im_plan_pic_in_plan_item.setVisibility(View.GONE);

就这样就可以了，不会有任何高度：

This view is invisible, andit doesn't take any space for layout purposes. Use with setVisibility and android:visibility.

可以看到这个图片是完全没有高度。