MVP数据请求recycview展示

M层

public class Mod {
public void shuju(final Modlister modlister){
    OkHttpClient okHttpClient=new OkHttpClient();
    final Request request=new Request.Builder().url("http://v.juhe.cn/weixin/query?key=55010ae808217e996bbf414bbdad843c").build();
    Call call=okHttpClient.newCall(request);
    call.enqueue(new Callback() {
        @Override
        public void onFailure(Call call, IOException e) {

        }

        @Override
        public void onResponse(Call call, Response response) throws IOException {
            String string = response.body().string();
            modlister.result(string);
        }
    });
}
public interface Modlister{
    public void result(String str);
}


}

V层

public interface acview  {
    public void succeed(List<Bean.ResultBean.ListBean> list);
}

P层

public class Pre {
private acview acview1;
private Mod mod;
    public Pre(acview acview1) {
        this.acview1 = acview1;
        this.mod=new Mod();
    }
    public void shuju(){
        mod.shuju(new Mod.Modlister() {
            @Override
            public void result(String str) {
                Gson gson=new Gson();
                Bean bean = gson.fromJson(str, Bean.class);
                List<Bean.ResultBean.ListBean> list = bean.getResult().getList();
                acview1.succeed(list);
            }
        });
    }


}




适配器

public class Adapter extends RecyclerView.Adapter<RecyclerView.ViewHolder>{
    private List<Bean.ResultBean.ListBean>list;
    private Context context;
    public Adapter(List<Bean.ResultBean.ListBean> list, Context context) {
        this.list = list;
        this.context = context;
    }

    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(context).inflate(R.layout.item, parent, false);
        return new VHItem(view);
    }

    @Override
    public void onBindViewHolder(final RecyclerView.ViewHolder holder, final int position) {
     VHItem vhItem= (VHItem) holder;
        vhItem.textView.setText(list.get(position).getTitle());
        ImageLoader.getInstance().displayImage(list.get(position).getFirstImg(),vhItem.imageView);
       holder.itemView.setOnClickListener(new View.OnClickListener() {
           @Override
           public void onClick(View v) {
               //得到条目的位置
               int position1 = holder.getLayoutPosition();
               //将点击的事件回调
               onitemclickListenter.onitemclick(holder.itemView,position1);
           }
       });
        holder.itemView.setOnLongClickListener(new View.OnLongClickListener() {
            @Override
            public boolean onLongClick(View v) {
                int position1 = holder.getLayoutPosition();
                onitemclickListenter.onitemlongclick(holder.itemView,position1);
                return false;
            }
        });
    }

    @Override
    public int getItemCount() {
        return list.size();
    }
    

    public class VHItem extends RecyclerView.ViewHolder{
        ImageView imageView;
        TextView textView;
        public VHItem(View itemView) {
            super(itemView);
            imageView= (ImageView) itemView.findViewById(R.id.imageView);
            textView= (TextView) itemView.findViewById(R.id.textView);

        }
    }
    //点击条目的接口
    public interface OnitemclickListenter{
        void onitemclick(View view,int position);
        void onitemlongclick(View view,int position);
    }
    private OnitemclickListenter onitemclickListenter;
    public void setOnitemclick(OnitemclickListenter onitemclickListenter){
        this.onitemclickListenter=onitemclickListenter;

    }
}

activity

public class MainActivity extends AppCompatActivity implements acview, SwipeRefreshLayout.OnRefreshListener {

    private RecyclerView recyclerView;
    private Pre pre;
    private List<Bean.ResultBean.ListBean> shuju;
    private Adapter adapter;
    private SwipeRefreshLayout swipeRefreshLayout;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        recyclerView = (RecyclerView) findViewById(R.id.recycler);
        recyclerView.setLayoutManager(new LinearLayoutManager(this,LinearLayoutManager.VERTICAL,false));
        swipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.swipeRefreshLayout);
        swipeRefreshLayout.setOnRefreshListener(this);

        pre = new Pre(this);
        pre.shuju();

    }


    @Override
    public void succeed(final List<Bean.ResultBean.ListBean> list) {
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                adapter = new Adapter(list,MainActivity.this);
                recyclerView.setAdapter(adapter);
                adapter.setOnitemclick(new Adapter.OnitemclickListenter() {
                    @Override
                    public void onitemclick(View view, int position) {
                        Toast.makeText(MainActivity.this,position+"",Toast.LENGTH_SHORT).show();
                    }

                    @Override
                    public void onitemlongclick(View view, int position) {

                    }
                });
            }
        });
    }

    @Override
    public void onRefresh() {
        Toast.makeText(MainActivity.this,"下拉了",Toast.LENGTH_SHORT).show();
    }
}