gridlayout

private void initRecyclerView() {
        GridLayoutManager grid = new GridLayoutManager(this, 3, GridLayoutManager.VERTICAL, false);
        RecyclerView recyclerView = findViewById(R.id.recyclerView);
        dataRecycler = new DataAdapter(_dataList);
        recyclerView.setAdapter(dataRecycler);
        recyclerView.setLayoutManager(new GridLayoutManager(this,3));
}