lmageloaderlistview

package com.example.day08_2;

import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.AsyncTask;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.ListView;

import com.google.gson.Gson;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.util.List;

public class MainActivity extends AppCompatActivity {

    private ListView lv;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
      lv=  (ListView) findViewById(R.id.lv);
        ImageLoaderConfiguration configuration = ImageLoaderConfiguration.createDefault(MainActivity.this);
        ImageLoader.getInstance().init(configuration);
        ConnectivityManager manager = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
        NetworkInfo info = manager.getActiveNetworkInfo();
        if (info.isAvailable()){
            String path="http://www.93.gov.cn/93app/data.do?channelId=0&startNum=0";
            myseks myseks = new myseks();
            myseks.execute(path);
        }
    }
    class myseks extends AsyncTask<String,Integer,String>{
        @Override
        protected String doInBackground(String... strings) {
            try {
                URL url = new URL(strings[0]);
              HttpURLConnection connetcion = (HttpURLConnection) url.openConnection();
                int code = connetcion.getResponseCode();
                if (code==200){
                    InputStream stream = connetcion.getInputStream();
                    String str="";
                    StringBuffer buffer = new StringBuffer();
                    BufferedReader reader = new BufferedReader(new InputStreamReader(stream));
                    while ((str=reader.readLine())!=null){
                        buffer.append(str);
                    }
                    return buffer.toString();
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
            return null;
        }

        @Override
        protected void onPostExecute(String s) {
            super.onPostExecute(s);
            Gson gson = new Gson();
            Bean bean = gson.fromJson(s, Bean.class);
            List<Bean.DataBean> data = bean.data;
            Myapter myapter = new Myapter(MainActivity.this, data);
            lv.setAdapter(myapter);

        }
    }


}