秦心，Recyclerview+okhttp

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//依赖

compile 'com.android.support:recyclerview-v7:26.0.0-alpha1'compile 'com.squareup.okhttp3:okhttp:3.8.1'compile 'com.solidfire.code.gson:gson:2.6.2'compile 'com.github.bumptech.glide:glide:3.5.2'

//main.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout    xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:app="http://schemas.android.com/apk/res-auto"    xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"    android:layout_height="match_parent" tools:context="com.bawei.app2.MainActivity"> <android.support.v7.widget.RecyclerView     android:id="@+id/rl"     android:layout_width="match_parent"     android:layout_height="match_parent"></android.support.v7.widget.RecyclerView></LinearLayout>

// 布局itme.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical" android:layout_width="match_parent"    android:layout_height="match_parent">    <ImageView        android:id="@+id/imageview"        android:layout_width="match_parent"        android:layout_height="300dp"        android:layout_weight="1" />    <LinearLayout        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:orientation="horizontal"        >        <TextView            android:id="@+id/name"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="秦心"            android:textSize="20sp"            android:textColor="#D1AA47"            android:padding="10dp"            />        <TextView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="已实名认证"            />    </LinearLayout>    <LinearLayout        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:orientation="horizontal"        >        <TextView            android:id="@+id/old"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="26岁"            android:textSize="20sp"            android:layout_marginLeft="20dp"            android:background="#94D3D6"            />        <TextView            android:id="@+id/job"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_marginLeft="10dp"            android:background="#EFBE42"            android:text="银行"            android:textSize="20sp" />    </LinearLayout>    <TextView        android:id="@+id/desc"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="90年/天蝎座"        android:textSize="18sp"        android:layout_marginTop="10sp"        android:layout_marginLeft="15dp"        /></LinearLayout>

// 代码 MainActivity

import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.support.v7.app.AppCompatActivity;import android.support.v7.widget.LinearLayoutManager;import android.support.v7.widget.RecyclerView;import android.view.View;import android.widget.Toast;import com.solidfire.gson.Gson;import java.util.ArrayList;public class MainActivity extends AppCompatActivity implements NetDataCallback {    private RecyclerView mrv;   // private String url="http://news-at.zhihu.com/api/4/news/latest";private String url="http://www.yulin520.com/a2a/impressApi/news/mergeList?sign=C7548DE604BCB8A17592EFB9006F9265&pageSize=10&gender=2&ts=1871746850&page=1";    private Myadapter md;    private Http http;    private ArrayList<News.DataBean> mlist=new ArrayList<>();    public Handler hand=new Handler(){        @Override        public void handleMessage(Message msg) {            Gson gson=new Gson();            super.handleMessage(msg);            if (msg.what==1){                News news = gson.fromJson(msg.obj.toString(), News.class);                // mlist=(ArrayList<NewsData.DataBean>) newsData.getData();                mlist=(ArrayList<News.DataBean>) news.getData();                md.setdata((ArrayList<News.DataBean>) mlist);                md.notifyDataSetChanged();            }        }    };    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        mrv=(RecyclerView)findViewById(R.id.rl);        initdata();        mrv.setLayoutManager(new LinearLayoutManager(this));        md=new Myadapter(this,mlist);        mrv.setAdapter(md);        //RecyclerView条目的点击事件        md.setOnItemClickListener(new Myadapter.OnItemClickListener() {            @Override            public void onItemClick(View view, int postion) {                Toast.makeText(MainActivity.this, mlist.get(postion).getTitle(), Toast.LENGTH_SHORT).show();            }        });    }    private void initdata() {        Http http=new Http();        http.getdata(url,this);    }    @Override    public void callback(String str) {        Message msg = Message.obtain();        msg.what=1;        msg.obj=str;        hand.sendMessage(msg);    }    @Override    public void err(int code, String s) {    }}

//Http

import java.io.IOException;import java.util.concurrent.TimeUnit;import okhttp3.Call;import okhttp3.Callback;import okhttp3.OkHttpClient;import okhttp3.Request;import okhttp3.Response;public class Http {     public void getdata(String url, final NetDataCallback netDataCallback) {             //初始化一个 OkHttpClient 并且设置连接和读取超时时间             OkHttpClient okhttp = new OkHttpClient.Builder()                     .connectTimeout(10, TimeUnit.SECONDS)                     .readTimeout(20, TimeUnit.SECONDS)                     .build();             //构造一个Request对象             Request request = new Request.Builder().url(url).build();             //通过request的对象去构造得到一个Call对象         Call call = okhttp.newCall(request);         //调用的是call.enqueue，将call加入调度队列，然后等待任务执行完成，我们在Callback中即可得到结果。         call.enqueue(new Callback() {             @Override             public void onFailure(Call call, IOException e) {                 netDataCallback.err(500,e.getMessage());             }             @Override             public void onResponse(Call call, Response response) throws IOException {                 String  s = response.body().string();                 netDataCallback.callback(s);             }         });         }}

MyAdapter

import android.content.Context;import android.support.v7.widget.RecyclerView;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.ImageView;import android.widget.TextView;import com.bumptech.glide.Glide;import java.util.ArrayList;public class Myadapter extends RecyclerView.Adapter{    private View view;    private Context mcontext;    private ArrayList<News.DataBean> mlist=new ArrayList<>();    private OnItemClickListener mClickListener;    public Myadapter(Context mcontext,ArrayList<News.DataBean> list) {        this.mcontext = mcontext;        this.mlist=list;    }    @Override    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {        View view = LayoutInflater.from(mcontext).inflate(R.layout.item, null);        return new ViewHolder(view,mClickListener);    }    @Override    public void onBindViewHolder(RecyclerView.ViewHolder holder, final int position) {      ViewHolder viewholder= (ViewHolder)holder;        viewholder.name.setText(""+mlist.get(position).getUserName());        viewholder.desc.setText(""+mlist.get(position).getTitle());        viewholder.old.setText(""+mlist.get(position).getUserAge());        viewholder.desc.setText(""+mlist.get(position).getIntroduction());        viewholder.job.setText(""+mlist.get(position).getOccupation());        Glide.with(mcontext).load(getItem(position).getImg()).into(viewholder.ima);         //只给标题设置的点击事件     /*   viewholder.textview.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                Toast.makeText(mcontext, mlist.get(position).getTitle(), Toast.LENGTH_SHORT).show();            }        });*/    }    //手写的重置数据的方法    public void setdata(ArrayList<News.DataBean> list){        if (list!=null&&list.size()>0){            mlist.addAll(list);        }    }    //手写的获得视图的方法    public News.DataBean getItem(int position){        return mlist.get(position);    };    @Override    public int getItemCount() {        return mlist.size();    }    //自定义的方法    public void setOnItemClickListener(OnItemClickListener listener){        this.mClickListener=listener;    }    public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener{        private OnItemClickListener mListener;// 声明自定义的接口        private TextView desc,name,old,job;        private ImageView ima;        //把定义的接口作为参数放到方法内        public ViewHolder(View itemView,OnItemClickListener  listener) {            super(itemView);            mListener=listener;            //给item设置点击事件            itemView.setOnClickListener(this);            name=(TextView)itemView.findViewById(R.id.name);            old=(TextView)itemView.findViewById(R.id.old);            job=(TextView)itemView.findViewById(R.id.job);            desc=(TextView)itemView.findViewById(R.id.desc);            ima=(ImageView)itemView.findViewById(R.id.imageview);        }        @Override        public void onClick(View v) {            // getpostion()为Viewholder自带的一个方法，用来获取RecyclerView当前的位置，将此作为参数，传出去          mListener.onItemClick(v,getPosition());        }    }    //手写的一个接口    public interface OnItemClickListener {        public void onItemClick(View view, int postion);    }}

//定义接口

public interface NetDataCallback {    void callback(String str);    void err(int code,String s);}

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