RecyclerView之LayoutManager

 

利用RecyclerView显示数据,搭配SwipeRefreshLayout下拉刷新,因此,RecyclerView的显示方向应该是由下往上的,即第一项显示在最下面,最后一项显示在最上面,每次刷新新增的数据都添加在最上面,
所以使用LinearLayoutManager(Context context, int orientation, boolean reverseLayout)构造函数
可以设置数据的显示方向,设置reverseLayout为true即显示方向由下而上

 

    /**

     * @param context       Current context, will be used to access resources.

     * @param orientation   Layout orientation. Should be {@link #HORIZONTAL} or {@link

     *                      #VERTICAL}.

     * @param reverseLayout When set to true, layouts from end to start.

     */

    public LinearLayoutManager(Context context, int orientation, boolean reverseLayout) {

        setOrientation(orientation);

        setReverseLayout(reverseLayout);

 

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