这里是主activity
package com.bwie.lvzhanfeng20151130;
import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.TextView;
import com.bwie.fragment.MyFragment1;
import com.bwie.fragment.MyFragment2;
import com.bwie.fragment.MyFragment3;
/**
* 主页面
* @author 吕占峰
*
*/
public class MainActivity extends FragmentActivity
{
//定义成员变量
private TextView tv1,tv2,tv3;
private FragmentManager fm;//fragment管理器
private FragmentTransaction ft;//fragment事务
private MyFragment1 mf1;
private MyFragment2 mf2;
private MyFragment3 mf3;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
init();
}
public void init()
{
//找对象
tv1=(TextView) super.findViewById(R.id.tv_main_1);
tv2=(TextView) super.findViewById(R.id.tv_main_2);
tv3=(TextView) super.findViewById(R.id.tv_main_3);
mf1=new MyFragment1();
mf2=new MyFragment2();
mf3=new MyFragment3();
fm=getSupportFragmentManager();
ft=fm.beginTransaction();
ft.add(R.id.fragment, mf1);
ft.add(R.id.fragment, mf2);
ft.add(R.id.fragment, mf3);
ft.show(mf1).hide(mf2).hide(mf3);
ft.commit();//提交事务
tv1.setOnClickListener(l);
tv2.setOnClickListener(l);
tv3.setOnClickListener(l);
}
OnClickListener l=new OnClickListener() {
public void onClick(View v) {
ft=fm.beginTransaction();
switch(v.getId()){
case R.id.tv_main_1:
ft.show(mf1).hide(mf2).hide(mf3);
break;
case R.id.tv_main_2:
ft.show(mf2).hide(mf1).hide(mf3);
break;
case R.id.tv_main_3:
ft.show(mf3).hide(mf2).hide(mf1);
break;
}
ft.commit();
}
};
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
package com.bwie.lvzhanfeng20151130;
import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.TextView;
import com.bwie.fragment.MyFragment1;
import com.bwie.fragment.MyFragment2;
import com.bwie.fragment.MyFragment3;
/**
* 主页面
* @author 吕占峰
*
*/
public class MainActivity extends FragmentActivity
{
//定义成员变量
private TextView tv1,tv2,tv3;
private FragmentManager fm;//fragment管理器
private FragmentTransaction ft;//fragment事务
private MyFragment1 mf1;
private MyFragment2 mf2;
private MyFragment3 mf3;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
init();
}
public void init()
{
//找对象
tv1=(TextView) super.findViewById(R.id.tv_main_1);
tv2=(TextView) super.findViewById(R.id.tv_main_2);
tv3=(TextView) super.findViewById(R.id.tv_main_3);
mf1=new MyFragment1();
mf2=new MyFragment2();
mf3=new MyFragment3();
fm=getSupportFragmentManager();
ft=fm.beginTransaction();
ft.add(R.id.fragment, mf1);
ft.add(R.id.fragment, mf2);
ft.add(R.id.fragment, mf3);
ft.show(mf1).hide(mf2).hide(mf3);
ft.commit();//提交事务
tv1.setOnClickListener(l);
tv2.setOnClickListener(l);
tv3.setOnClickListener(l);
}
OnClickListener l=new OnClickListener() {
public void onClick(View v) {
ft=fm.beginTransaction();
switch(v.getId()){
case R.id.tv_main_1:
ft.show(mf1).hide(mf2).hide(mf3);
break;
case R.id.tv_main_2:
ft.show(mf2).hide(mf1).hide(mf3);
break;
case R.id.tv_main_3:
ft.show(mf3).hide(mf2).hide(mf1);
break;
}
ft.commit();
}
};
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}

这是fragment页面，用于开启异步线程
package com.bwie.fragment;
import com.bwie.lvzhanfeng20151130.R;
import com.bwie.threan.MyAsyncTask;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ListView;
import android.widget.TextView;
public class MyFragment1 extends Fragment
{
//定义成员变量 http://www.93.gov.cn/93app/data.do?channelId=0&startNum=0
private Context context;
private View v;
private ListView lv;
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
context=activity;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
v=inflater.from(context).inflate(R.layout.mf1_f, null);
return v;
}
@Override
public void onStart() {
super.onStart();
//找对象
lv=(ListView) v.findViewById(R.id.lv_mf1);
MyAsyncTask at=new MyAsyncTask(context, lv);//创建线程
at.execute("http://www.93.gov.cn/93app/data.do");//开启线程
}
}

这里是异步线程，用于解析数据开启适配器
package com.bwie.lvzhanfeng20151130;
import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.TextView;
import com.bwie.fragment.MyFragment1;
import com.bwie.fragment.MyFragment2;
import com.bwie.fragment.MyFragment3;
/**
* 主页面
* @author 吕占峰
*
*/
public class MainActivity extends FragmentActivity
{
//定义成员变量
private TextView tv1,tv2,tv3;
private FragmentManager fm;//fragment管理器
private FragmentTransaction ft;//fragment事务
private MyFragment1 mf1;
private MyFragment2 mf2;
private MyFragment3 mf3;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
init();
}
public void init()
{
//找对象
tv1=(TextView) super.findViewById(R.id.tv_main_1);
tv2=(TextView) super.findViewById(R.id.tv_main_2);
tv3=(TextView) super.findViewById(R.id.tv_main_3);
mf1=new MyFragment1();
mf2=new MyFragment2();
mf3=new MyFragment3();
fm=getSupportFragmentManager();
ft=fm.beginTransaction();
ft.add(R.id.fragment, mf1);
ft.add(R.id.fragment, mf2);
ft.add(R.id.fragment, mf3);
ft.show(mf1).hide(mf2).hide(mf3);
ft.commit();//提交事务
tv1.setOnClickListener(l);
tv2.setOnClickListener(l);
tv3.setOnClickListener(l);
}
OnClickListener l=new OnClickListener() {
public void onClick(View v) {
ft=fm.beginTransaction();
switch(v.getId()){
case R.id.tv_main_1:
ft.show(mf1).hide(mf2).hide(mf3);
break;
case R.id.tv_main_2:
ft.show(mf2).hide(mf1).hide(mf3);
break;
case R.id.tv_main_3:
ft.show(mf3).hide(mf2).hide(mf1);
break;
}
ft.commit();
}
};
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}

fragment页面，适配器，异步线程，各3份，都是粘贴复制3份，改改xml中的id和异步线程中的请求参数就好了

1111111111111111111111111111111111111异步
package com.bwie.threan;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import android.content.Context;
import android.content.Intent;
import android.os.AsyncTask;
import android.sax.StartElementListener;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import com.bwie.adapter.MFAdapter1;
import com.bwie.lvzhanfeng20151130.MyActivity;
import com.bwie.model.One;
import com.google.gson.Gson;
/**
* 异步线程
* @author 吕占峰
*
*/
public class MyAsyncTask extends AsyncTask<String, String, One>
{
//定义成员变量
private Context context;
private ListView lv;
private One one;
public MyAsyncTask(Context context, ListView lv) {
super();
this.context = context;
this.lv = lv;
}
@Override
protected One doInBackground(String... params) {
try {
URL url=new URL(params[0]);//获取传来的URL
HttpURLConnection conn=(HttpURLConnection) url.openConnection();//获取HttpURLConnection对象
conn.setRequestMethod("POST");//请求方式
conn.setDoOutput(true);
conn.setConnectTimeout(5000);
conn.setReadTimeout(5000);
conn.setRequestProperty("Charset", "UTF-8");//设置字符集
conn.setRequestProperty("Connection", "Keep-Alive");
OutputStream out=conn.getOutputStream();//获取流
PrintWriter pw=new PrintWriter(out);
pw.print("channelId=0&startNum=0");//写入参数
pw.flush();
pw.close();
if(conn.getResponseCode() == 200)//判断是否连接成功
{
InputStream is=conn.getInputStream();//获取输出流
byte[] b=new byte[1024];
StringBuffer sb=new StringBuffer();
int readJson=0;
while(-1 != (readJson=is.read(b)))
{
sb.append(new String(b, 0, readJson));//连接字符串
}
Log.i("TAG", "获取的数据是："+sb.toString());
Gson g=new Gson();
one=g.fromJson(sb.toString(), One.class);//解析数据
Log.i("TAG", "解析好的数据是："+one.toString()+"///"+one.data.toString()+"///"+one.dataScroll);
return one;
}
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(final One result) {
MFAdapter1 adapter=new MFAdapter1(context, result.data);//适配器传值
lv.setAdapter(adapter);//开启适配器
//listview加监听
lv.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
long arg3) {
String str=result.data.get(arg2).getTITLE();
Intent in=new Intent(context,MyActivity.class);
in.putExtra("title", str);
context.startActivity(in);//跳转到详细页面
}
});
super.onPostExecute(result);
}
}