3秒显示下一条及json数组解析

package com.example.shipilianxi;import android.os.AsyncTask;import android.os.Handler;import android.os.Message;import android.support.v4.view.ViewPager;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.View;import android.widget.EditText;import android.widget.ImageView;import android.widget.ListView;import android.widget.TextView;import com.google.gson.Gson;import com.nostra13.universalimageloader.core.ImageLoader;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.io.UnsupportedEncodingException;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.URL;import java.net.URLConnection;import java.net.URLEncoder;import java.util.List;import java.util.Timer;import java.util.TimerTask;import static android.R.id.list;public class MainActivity extends AppCompatActivity {   int i=0;    private EditText name;    private String s;    private String path;    private ViewPager vp;Handler h=new Handler(){    @Override    public void handleMessage(Message msg) {        i++;        vp.setCurrentItem(i);    }};    private ListView lv;    private ImageView aa;    private TextView textview1;    private TextView textview2;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        aa = (ImageView) findViewById(R.id.aa);        name = (EditText) findViewById(R.id.name);        vp = (ViewPager) findViewById(R.id.vp);        textview1 = (TextView) findViewById(R.id.textview1);        textview2 = (TextView) findViewById(R.id.textview2);        jishi();    }    private void jishi() {        Timer timer = new Timer();        timer.schedule(new TimerTask() {            @Override            public void run() {            h.sendEmptyMessage(i);            }        },0,1000);    }    public void go(View view){        s = name.getText().toString();        AsyncTask<Void,Void,String> asyncTask =new AsyncTask<Void, Void, String>() {            @Override            protected String doInBackground(Void... voids) {                try {                    path = "http://op.juhe.cn/onebox/movie/video?key=90daf4317665b4ead0f7566e3cbb169d&q="+ URLEncoder.encode(s,"utf-8");                } catch (Exception e) {                    e.printStackTrace();                }                try {                    URL url = new URL(path);                    HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();                    urlConnection.setRequestMethod("GET");                    urlConnection.setReadTimeout(5000);                    urlConnection.setConnectTimeout(5000);                    int responseCode = urlConnection.getResponseCode();                    if (responseCode==200){                        InputStream inputStream = urlConnection.getInputStream();                        String s = convertStreamToString(inputStream);                        return s;                    }                } catch (Exception e) {                    e.printStackTrace();                }                return null;            }            @Override            protected void onPostExecute(String s) {                Gson gson = new Gson();                Data data = gson.fromJson(s, Data.class);                //无线轮播集合                List<Data.ResultBean.VideoRecBean> video_rec = data.getResult().getVideo_rec();                //图片                String desc = data.getResult().getCover();                //标题                String title = data.getResult().getTitle();                //国际                String area = data.getResult().getArea();                //适配器                Myadapter myadapter = new Myadapter(video_rec,MainActivity.this);                vp.setAdapter(myadapter);                //设置图片                ImageLoader.getInstance().displayImage(desc,aa,ImageUrl.getto());                //设置标题                textview1.setText("影片名称："+title);                //设置国家                textview2.setText("国际："+area);            }        };        asyncTask.execute();    }    /**     * 将输入流转成字符串     *     * @param is     *            输入流     * @return 返回字符串     */    private static String convertStreamToString(InputStream is) {        BufferedReader reader = new BufferedReader(new InputStreamReader(is));        StringBuilder sb = new StringBuilder();        String line = null;        try {            while ((line = reader.readLine()) != null) {                sb.append(line);            }        } catch (IOException e) {            e.printStackTrace();        } finally {            try {                is.close();            } catch (IOException e) {                e.printStackTrace();            }        }        return sb.toString();    }}

2.适配器

package com.example.shipilianxi;import android.content.Context;import android.support.v4.app.Fragment;import android.support.v4.app.FragmentManager;import android.support.v4.app.FragmentPagerAdapter;import android.support.v4.view.PagerAdapter;import android.view.View;import android.view.ViewGroup;import android.widget.ImageView;import com.nostra13.universalimageloader.core.ImageLoader;import java.util.List;/** * Created by Administrator on 2017/10/11 0011. */public class Myadapter extends PagerAdapter {    List<Data.ResultBean.VideoRecBean> list;    Context con;    public Myadapter(List<Data.ResultBean.VideoRecBean> list, Context con) {        this.list = list;        this.con = con;    }    //向一个方向能滑动n多次    @Override    public int getCount() {        return Integer.MAX_VALUE;  //    }    @Override    public boolean isViewFromObject(View arg0, Object arg1) {        return arg0==arg1;    }    @Override    public void destroyItem(ViewGroup container, int position, Object object) {        container.removeView((View) object);    }    @Override    public Object instantiateItem(ViewGroup container, int position) {        ImageView imgv=new ImageView(con);  //创建 图片控件        int index= position%list.size();  //取余数  3--0  4---1  5---2  6--0        ImageLoader.getInstance().displayImage(list.get(index).getCover(),imgv,ImageUrl.getto());        container.addView(imgv);        return imgv;    }}