我有一个带有水平线性布局管理器的RecyclerView，声明如下:RecyclerViewgraph=(RecyclerView)findViewById(R.id.graph);RecyclerView.LayoutManagerclassManager=newLinearLayoutManager(this,LinearLayoutManager.HORIZONTAL,false);graph.setLayoutManager(classManager);graph.addItemDecoration(newComponentDecorator(this));//Justsets