Json解析

package com.example.lianviewpager;

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

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import xlistview.XListView;
import xlistview.XListView.IXListViewListener;

import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.Animation;
import android.view.animation.AnimationSet;
import android.view.animation.LayoutAnimationController;
import android.view.animation.TranslateAnimation;
import android.widget.ImageView;
import android.widget.ImageView.ScaleType;
import android.widget.ListView;
import android.widget.RadioButton;

import com.example.lianviewpager.bean.Bean;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;

public class MainActivity extends Activity implements IXListViewListener {

private List<Bean> lists=new ArrayList<Bean>();
private List<RadioButton> rb=new ArrayList<RadioButton>();
private ArrayList<String> list = new ArrayList<String>();
private ViewPager vp;
private ImageLoader il;
private int i1=1;
private int i2=2;
private int i;
private String url = "http://c.m.163.com/nc/article/headline/T1348647909107/0-20.html";
private Handler handler = new Handler() {

private Bean bean;
private Myadapter adapter;

public void handleMessage(Message msg) {
String request = (String) msg.obj;
Log.i("log", msg.toString());

switch (msg.what) {

case 0:
int c = vp.getCurrentItem();
c++;
vp.setCurrentItem(c);
handler.sendEmptyMessageDelayed(0, 2000);
break;
case 1:
try {
if(i==i1){
lists.clear();
}
JSONObject jo = new JSONObject(request);
JSONArray jsonArray = jo.getJSONArray("T1348647909107");
for (int i = 0; i < jsonArray.length(); i++) {
bean = new Bean();
JSONObject jsonObject = jsonArray.getJSONObject(i);
String title = jsonObject.getString("title");
String imgsrc = jsonObject.getString("imgsrc");
String digest = jsonObject.getString("digest");
if (jsonObject.has("ads")) {
JSONArray jsonArray2 = jsonObject
.getJSONArray("ads");
for (int j = 0; j < jsonArray2.length(); j++) {
JSONObject jsonObject2 = jsonArray2
.getJSONObject(j);
String string = jsonObject2.getString("imgsrc");
list.add(string);
}
}

if(jsonObject.has("imgextra")){
ArrayList<String> imgextra_image=new ArrayList<String>();
JSONArray jsonArray2 = jsonObject.getJSONArray("imgextra");
for(int k=0;k<jsonArray2.length();k++){
JSONObject jsonObject2 = jsonArray2.getJSONObject(k);
String imgextra_imgsrc = jsonObject2.getString("imgsrc");
imgextra_image.add(imgextra_imgsrc);
}
bean.setPan(true);
bean.setImgextra_image(imgextra_image);
}
bean.setImgsrc(imgsrc);
bean.setTitle(title);
bean.setDigest(digest);
lists.add(bean);
}
//load();
if(adapter==null){
adapter = new Myadapter(MainActivity.this,lists);
lv.setAdapter(adapter);
}

vp.setAdapter(new PagerAdapter() {

@Override
public boolean isViewFromObject(View arg0, Object arg1) {
// TODO Auto-generated method stub
return arg0 == arg1;
}

@Override
public int getCount() {
// TODO Auto-generated method stub
return Integer.MAX_VALUE;
}

@Override
public Object instantiateItem(ViewGroup container,
int position) {
ImageView iv = new ImageView(MainActivity.this);
il.displayImage(list.get(position % list.size()),
iv);
iv.setScaleType(ScaleType.FIT_XY);
container.addView(iv);
return iv;
}

@Override
public void destroyItem(ViewGroup container,
int position, Object object) {
container.removeView((View) object);
}

});
vp.setCurrentItem(list.size() * 5000);

vp.setOnPageChangeListener(new OnPageChangeListener() {

@Override
public void onPageSelected(int arg0) {
for(int i=0;i<list.size();i++){
if(i==arg0%list.size()){
rb.get(i).setChecked(true);
}else{
rb.get(i).setChecked(false);
}
}
}

@Override
public void onPageScrolled(int arg0, float arg1, int arg2) {
// TODO Auto-generated method stub

}

@Override
public void onPageScrollStateChanged(int arg0) {
// TODO Auto-generated method stub

}

});
handler.sendEmptyMessageDelayed(0, 2000);

} catch (JSONException e) {
e.printStackTrace();
}

break;
case 2:
load();
break;
}

};
};
private XListView lv;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
il = ImageLoader.getInstance();
ImageLoaderConfiguration ilc = new ImageLoaderConfiguration.Builder(MainActivity.this).build();
il.init(ilc);
setContentView(R.layout.activity_main);
lv = (XListView) findViewById(R.id.lv);
vp = (ViewPager) findViewById(R.id.vp);

lv.setPullLoadEnable(true);
lv.setXListViewListener(this);
RadioButton r1=(RadioButton) findViewById(R.id.r1);
RadioButton r2=(RadioButton) findViewById(R.id.r2);
RadioButton r3=(RadioButton) findViewById(R.id.r3);
RadioButton r4=(RadioButton) findViewById(R.id.r4);
RadioButton r5=(RadioButton) findViewById(R.id.r5);
rb.add(r1);
rb.add(r2);
rb.add(r3);
rb.add(r4);
rb.add(r5);
getJson();

AnimationSet as=new AnimationSet(this, null);
LayoutAnimationController controller=new LayoutAnimationController(as);
Animation translateIn = new TranslateAnimation(-400, 0, 0, 0);
translateIn.setDuration(1500);
translateIn.setFillAfter(true);
as.addAnimation(translateIn);
lv.setLayoutAnimation(controller);

}

private void getJson() {
new Thread(new Runnable() {

@Override
public void run() {

try {
URL urls = new URL(url);
HttpURLConnection huc = (HttpURLConnection) urls
.openConnection();
huc.setReadTimeout(5000);
huc.setConnectTimeout(5000);
huc.setRequestMethod("GET");

if (huc.getResponseCode() == 200) {
InputStream inputStream = huc.getInputStream();
String str;
StringBuffer sb = new StringBuffer();
BufferedReader br = new BufferedReader(
new InputStreamReader(inputStream));
while ((str = br.readLine()) != null) {
sb.append(str);
}
Message obtain = Message.obtain();
obtain.obj = sb.toString();
obtain.what = 1;
handler.sendMessage(obtain);
}
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}).start();
}
public void load(){
lv.stopRefresh();
lv.stopLoadMore();
lv.setRefreshTime("刚刚");
}

@Override
public void onRefresh() {
//i=i1;
//getJson();
handler.sendEmptyMessageDelayed(2, 2000);

}

@Override
public void onLoadMore() {
//i=i2;
//getJson();
}

}