RecyclerView layoutManager

1. 垂直 多列

final StaggeredGridLayoutManager layoutManager = new StaggeredGridLayoutManager(3, StaggeredGridLayoutManager.VERTICAL);
        layoutManager.setGapStrategy(StaggeredGridLayoutManager.GAP_HANDLING_NONE);

2.垂直单行

LinearLayoutManager layoutManager = new LinearLayoutManager(this);

1. 平行

LinearLayoutManager layoutManager = new LinearLayoutManager(this);
      layoutManager.setOrientation(LinearLayoutManager.HORIZONTAL);