public class RecyclerActivity extends Activity {

    @Bind(R.id.rv)
    RecyclerView rv;
    private List<Map> list;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_recycler);
        ButterKnife.bind(this);
        list =new ArrayList<>();
        initDate();
        MyAdapter myAdapter =new MyAdapter(list);

        //瀑布流管理器
        StaggeredGridLayoutManager sgm = new StaggeredGridLayoutManager(2,StaggeredGridLayoutManager.VERTICAL);
        rv.setLayoutManager(sgm);
        rv.setAdapter(myAdapter);
        //設定分割線
        DividerItemDecoration itemDecoration =
                new DividerItemDecoration(this,DividerItemDecoration.VERTICAL_LIST);
        rv.addItemDecoration(itemDecoration);
    }
    public void initDate(){
        HashMap map =new HashMap();
        map.put("img",R.mipmap.a);
        map.put("text","x1");
        list.add(map);
        map=new HashMap();
        map.put("img",R.mipmap.b);
        map.put("text","x2");
        list.add(map);
        map=new HashMap();
        map.put("img",R.mipmap.as);
        map.put("text","x3");
        list.add(map);
        map=new HashMap();
        map.put("img",R.mipmap.e);
        map.put("text","x2");
        list.add(map);
        map=new HashMap();
        map.put("img",R.mipmap.e);
        map.put("text","x3");
        list.add(map);
        map=new HashMap();
        map.put("img",R.mipmap.as);
        map.put("text","x2");
        list.add(map);
        map=new HashMap();
        map.put("img",R.mipmap.lh3);
        map.put("text","x3");
        list.add(map);
        map=new HashMap();
        map.put("img",R.mipmap.b);
        map.put("text","x2");
        list.add(map);
        map=new HashMap();
        map.put("img",R.mipmap.as);
        map.put("text","x3");
        list.add(map);
        map=new HashMap();
        map.put("img",R.mipmap.lh1);
        map.put("text","x2");
        list.add(map);
        map=new HashMap();
        map.put("img",R.mipmap.lh2);
        map.put("text","x3");
        list.add(map);
    }
    public class MyAdapter extends RecyclerView.Adapter<MyViewHolder>{
        private List<Map> mapList;

        public MyAdapter(List<Map> mapList) {
            this.mapList = mapList;
        }

        @Override
        public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
            View view=LayoutInflater.from(getBaseContext()).inflate(R.layout.recycle_stag,parent,false);
            MyViewHolder viewHolder = new MyViewHolder(view);
            return viewHolder;
        }
//繫結
        @Override
        public void onBindViewHolder(MyViewHolder holder, int position) {
           Map map = mapList.get(position);
            holder.imageView.setImageResource((Integer) map.get("img"));
            holder.textView.setText(map.get("text").toString());

        }

        @Override
        public int getItemCount() {
            return mapList.size();
        }
    }
    public class MyViewHolder extends RecyclerView.ViewHolder{
       ImageView imageView;
        TextView textView;
        public MyViewHolder(View itemView) {
            super(itemView);
            imageView=(ImageView)itemView.findViewById(R.id.iv);
            textView =(TextView)itemView.findViewById(R.id.tvi1);


        }
    }
}