OkHttp请求数据到RecyclerView多条目展示

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package test.bwei.com.okhttpshujuzhanshi;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.support.v7.widget.DividerItemDecoration;import android.support.v7.widget.GridLayoutManager;import android.support.v7.widget.LinearLayoutManager;import android.support.v7.widget.RecyclerView;import android.view.View;import android.view.ViewGroup;import android.widget.ImageView;import android.widget.TextView;import com.google.gson.Gson;import com.nostra13.universalimageloader.core.DisplayImageOptions;import com.nostra13.universalimageloader.core.ImageLoader;import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;import java.io.IOException;import okhttp3.Call;import okhttp3.Callback;import okhttp3.Response;public class MainActivity extends AppCompatActivity {    //找到控件    private RecyclerView rv;    //路径    String url="http://m.yunifang.com/yunifang/mobile/home";    Bean bean;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        //imageLoding加载        ImageLoaderConfiguration config=ImageLoaderConfiguration.createDefault(this);        ImageLoader.getInstance().init(config);        DisplayImageOptions options=DisplayImageOptions.createSimple();        rv= (RecyclerView) findViewById(R.id.rv);        //管理器,设置分割线        initView();        //OkHttp网络获取        getOkHttpData();    }    private void getOkHttpData() {        OkHttp3Utils.doGet(url, new Callback() {            @Override            public void onFailure(Call call, IOException e) {            }            @Override            public void onResponse(Call call, Response response) throws IOException {               //开始解析数据                //创建一个Gson对象                Gson gson=new Gson();                String sting=response.body().string();                //给bean赋值                bean=gson.fromJson(sting,Bean.class);                //判断数据是否请求成功                if(response.isSuccessful()){                    runOnUiThread(new Runnable() {                        @Override                        public void run() {                            //实例化适配器                            MyAdapter adapter= new MyAdapter();                            rv.setAdapter(adapter);                            //刷新                            adapter.notifyDataSetChanged();                        }                    });                }            }        });    }    private void initView() {        //管理器        LinearLayoutManager manager=new LinearLayoutManager(this);        // GridLayoutManager manager=new GridLayoutManager(this,2);        rv.setLayoutManager(manager);        //添加分割线        rv.addItemDecoration(new DividerItemDecoration(this,DividerItemDecoration.VERTICAL));    }    //适配器    class MyAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder>{          public static  final  int TYPR_ONE=0;          public static  final  int TYPR_TWO=1;       private   MyViewHolder holder1;        private   MyViewHolder2 holder2;        @Override        public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {            if(viewType==TYPR_ONE)            {                View view=View.inflate(MainActivity.this,R.layout.item1,null);                holder1=new MyViewHolder(view);                return  holder1;            }            else            {                View view2=View.inflate(MainActivity.this,R.layout.item2,null);                holder2=new MyViewHolder2(view2);                return  holder2;            }        }        @Override        public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {             if(holder1 instanceof MyViewHolder)             {                 ImageLoader.getInstance().displayImage(bean.getData().getSubjects().get(position).getDescImage(),holder1.item1_img);                 holder1.item1_tv.setText(bean.getData().getSubjects().get(position).getTitle());                 ((MyViewHolder) holder1).itemView.setTag(position);             }            if(holder2 instanceof  MyViewHolder2)            {                ImageLoader.getInstance().displayImage(bean.getData().getSubjects().get(position).getDescImage(),holder2.item2_img);                holder2.item2_tv.setText(bean.getData().getSubjects().get(position).getTitle());                ((MyViewHolder2) holder2).itemView.setTag(position);            }        }        @Override        public int getItemCount() {             //返回集合的长度,判断不为空            return bean.getData().getSubjects()==null ? 0 :bean.getData().getSubjects().size();        }        @Override        public int getItemViewType(int position) {            if(position%2==0)            {                return  TYPR_ONE;            }            else{                return TYPR_TWO;            }        }        //创建ViewHolder内部类        class MyViewHolder extends  RecyclerView.ViewHolder{             //要使用的控件               ImageView item1_img;            TextView item1_tv;            public MyViewHolder(View itemView) {                super(itemView);                //找到要使用的控件                item1_img=itemView.findViewById(R.id.item1_img);                item1_tv=itemView.findViewById(R.id.item1_tv);            }        }        class MyViewHolder2 extends  RecyclerView.ViewHolder{            //要使用的控件            ImageView item2_img;            TextView item2_tv;            public MyViewHolder2(View itemView) {                super(itemView);                //找到要使用的控件                item2_img=itemView.findViewById(R.id.item2_img);                item2_tv=itemView.findViewById(R.id.item2_tv);            }        }    }}
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