android GridLayoutManager StaggeredGridLayoutManager设置间距、占满一行及使用StaggeredGridLayoutManager时遇到的一些问题
ViewGroup.LayoutParamslp=holder.itemView.getLayoutParams();if(lp!=null&&lpinstanceofStaggeredGridLayoutManager.LayoutParams){StaggeredGridLayoutManager.LayoutParamsp=(StaggeredGridLayoutManager.Layout