四中请求

HttpUtils

package com.bwie.text2;

import java.util.ArrayList;

import com.bwie.text2.Data.JsonData;

import com.google.gson.Gson;

import com.lidroid.xutils.HttpUtils;

import com.lidroid.xutils.exception.HttpException;

import com.lidroid.xutils.http.ResponseInfo;

import com.lidroid.xutils.http.callback.RequestCallBack;

import com.lidroid.xutils.http.client.HttpRequest.HttpMethod;

import android.content.Intent;

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.AdapterView;

import android.widget.AdapterView.OnItemClickListener;

import android.widget.ListView;

public class Fragment1 extends Fragment{
private ListView lv_list;
private ArrayList<Datas> list=new ArrayList<Datas>();
private MyAdapter adapter;
private DataDao dao;

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view=View.inflate(getActivity(), R.layout.fragment, null);
lv_list=(ListView)view.findViewById(R.id.lv_list);  
return view;
}

@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
String url="http://169.254.151.168:8080/datas.json";
SecondActivity mainActivity = (SecondActivity) getActivity();
dao=new DataDao(mainActivity);
final HttpUtils httpUtils=new HttpUtils();
httpUtils.send(HttpMethod.POST, url, new RequestCallBack<String>() {

@Override
public void onFailure(HttpException arg0, String arg1) {

}

@Override
public void onSuccess(ResponseInfo<String> arg0) {
String result = arg0.result;
httpUtils.configResponseTextCharset("utf-8");
Gson gson=new Gson();
Data data = gson.fromJson(result, Data.class);
ArrayList<JsonData> arraylist = data.array;
list.clear();
for (int i = 3; i < 6; i++) {
String content = arraylist.get(i).content;
String title = arraylist.get(i).title;
String number = arraylist.get(i).number;
String time = arraylist.get(i).time;
String source = arraylist.get(i).source;
String type = arraylist.get(i).type;
list.add(new Datas(content, number, source, time, title, type));
dao.add(title, content, time, type, source, number);
}
adapter=new MyAdapter(getActivity(), list);
lv_list.setAdapter(adapter);

// list = dao.select();
lv_list.setOnItemClickListener(new OnItemClickListener() {

@Override
public void onItemClick(AdapterView<?> arg0, View arg1,
int position, long arg3) {
Intent intent=new Intent(getActivity(),ThridActivity.class);
intent.putExtra("list", list.get(position));
startActivity(intent);
}
});
}
});
}

}

异步交互

package com.bwie.text2;

import java.io.IOException;

import java.util.ArrayList;

import java.util.concurrent.ExecutionException;

import org.apache.http.HttpEntity;

import org.apache.http.HttpResponse;

import org.apache.http.client.ClientProtocolException;

import org.apache.http.client.HttpClient;

import org.apache.http.client.methods.HttpGet;

import org.apache.http.impl.client.DefaultHttpClient;

import org.apache.http.util.EntityUtils;

import com.bwie.text2.Data.JsonData;

import com.google.gson.Gson;

import com.lidroid.xutils.HttpUtils;

import com.lidroid.xutils.exception.HttpException;

import com.lidroid.xutils.http.ResponseInfo;

import com.lidroid.xutils.http.callback.RequestCallBack;

import com.lidroid.xutils.http.client.HttpRequest.HttpMethod;

import android.content.Intent;

import android.os.AsyncTask;

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.AdapterView;

import android.widget.ListView;

import android.widget.AdapterView.OnItemClickListener;

public class Fragment2 extends Fragment{
private ListView lv_list;
private ArrayList<Datas> list=new ArrayList<Datas>();
private MyAdapter adapter;
private DataDao dao; 

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view=View.inflate(getActivity(), R.layout.fragment, null);
lv_list=(ListView)view.findViewById(R.id.lv_list);
return view;
}

@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
String url="http://169.254.151.168:8080/datas.json";
dao=new DataDao(getActivity());
MyAsynTask myAsynTask=new MyAsynTask();
try {
String s = myAsynTask.execute(url).get();
} catch (InterruptedException e) {
e.printStackTrace();
} catch (ExecutionException e) {
e.printStackTrace();
}
}

class MyAsynTask extends AsyncTask<String, Integer, String>{

@Override
protected String doInBackground(String... params) {
String string=params[0];
HttpClient httpClient=new DefaultHttpClient();
HttpGet httpGet=new HttpGet(string);
String s=null;
HttpResponse response;
try {
response = httpClient.execute(httpGet);
if (response.getStatusLine().getStatusCode()==200) {
HttpEntity entity = response.getEntity();
s = EntityUtils.toString(entity,"utf-8");
Gson gson=new Gson();
Data data = gson.fromJson(s, Data.class);
ArrayList<JsonData> arraylist = data.array;
list.clear();
for (int i = 0; i < 3; i++) {
String content = arraylist.get(i).content;
String title = arraylist.get(i).title;
String number = arraylist.get(i).number;
String time = arraylist.get(i).time;
String source = arraylist.get(i).source;
String type = arraylist.get(i).type;
list.add(new Datas(content, number, source, time, title, type));
dao.add(title, content, time, type, source, number);
}
adapter=new MyAdapter(getActivity(), list);
lv_list.setAdapter(adapter);
list = dao.select();
lv_list.setOnItemClickListener(new OnItemClickListener() {

@Override
public void onItemClick(AdapterView<?> arg0, View arg1,
int position, long arg3) {
Intent intent=new Intent(getActivity(),ThridActivity.class);
intent.putExtra("list", list.get(position));
startActivity(intent);
}
});
}
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return s;
}
}

}

HttpClient

package com.bwie.text2;

import java.io.IOException;

import java.util.ArrayList;

import org.apache.http.HttpEntity;

import org.apache.http.HttpResponse;

import org.apache.http.client.ClientProtocolException;

import org.apache.http.client.HttpClient;

import org.apache.http.client.methods.HttpGet;

import org.apache.http.impl.client.DefaultHttpClient;

import org.apache.http.util.EntityUtils;

import com.bwie.text2.Data.JsonData;

import com.google.gson.Gson;

import com.google.gson.JsonArray;

import com.google.gson.JsonObject;

import com.lidroid.xutils.HttpUtils;

import com.lidroid.xutils.exception.HttpException;

import com.lidroid.xutils.http.ResponseInfo;

import com.lidroid.xutils.http.callback.RequestCallBack;

import com.lidroid.xutils.http.client.HttpRequest.HttpMethod;

import android.content.Intent;

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.AdapterView;

import android.widget.ListView;

import android.widget.AdapterView.OnItemClickListener;

public class Fragment3 extends Fragment{
private ListView lv_list;
private ArrayList<Datas> list=new ArrayList<Datas>();
private MyAdapter adapter;
private DataDao dao;

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view=View.inflate(getActivity(), R.layout.fragment, null);
lv_list=(ListView)view.findViewById(R.id.lv_list);   
return view;
}

@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
final String url="http://169.254.151.168:8080/datas.json";
dao=new DataDao(getActivity());
new Thread(){
public void run() {
getInfo(url);
};
}.start();
lv_list.setOnItemClickListener(new OnItemClickListener() {

@Override
public void onItemClick(AdapterView<?> arg0, View arg1,
int position, long arg3) {
Intent intent=new Intent(getActivity(),ThridActivity.class);
intent.putExtra("list", list.get(position));
startActivity(intent); 
}
});
}

private void getInfo(String url) {
HttpClient httpClient=new DefaultHttpClient();
HttpGet httpGet=new HttpGet(url);
try {
HttpResponse response = httpClient.execute(httpGet);
if (response.getStatusLine().getStatusCode()==200) {
HttpEntity entity = response.getEntity();
String string = EntityUtils.toString(entity,"utf-8");
Gson gson=new Gson();
Data data = gson.fromJson(string, Data.class);
ArrayList<JsonData> arraylist = data.array;
list.clear();
for (int i = 6; i < 9; i++) {
String content = arraylist.get(i).content;
String title = arraylist.get(i).title;
String number = arraylist.get(i).number;
String time = arraylist.get(i).time;
String source = arraylist.get(i).source;
String type = arraylist.get(i).type;
list.add(new Datas(content, number, source, time, title, type));
dao.add(title, content, time, type, source, number);
}
getActivity().runOnUiThread(new Runnable() {

@Override
public void run() {
adapter=new MyAdapter(getActivity(), list);
lv_list.setAdapter(adapter);

// list = dao.select();
}
});
}
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}

}

HttpUrlConnection

package com.bwie.text2;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.net.HttpURLConnection;

import java.net.URL;

import java.util.ArrayList;

import com.bwie.text2.Data.JsonData;

import com.google.gson.Gson;

import com.lidroid.xutils.HttpUtils;

import com.lidroid.xutils.exception.HttpException;

import com.lidroid.xutils.http.ResponseInfo;

import com.lidroid.xutils.http.callback.RequestCallBack;

import com.lidroid.xutils.http.client.HttpRequest.HttpMethod;

import android.content.Intent;

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.AdapterView;

import android.widget.ListView;

import android.widget.AdapterView.OnItemClickListener;

public class Fragment4 extends Fragment{
private ListView lv_list;
private ArrayList<Datas> list=new ArrayList<Datas>();
private MyAdapter adapter;
private DataDao dao;

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view=View.inflate(getActivity(), R.layout.fragment, null);
lv_list=(ListView)view.findViewById(R.id.lv_list);
return view;
}

@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
final String url_="http://169.254.151.168:8080/datas.json";
dao=new DataDao(getActivity());
new Thread(){
public void run() {
getInfo(url_);
};
}.start();
}

private void getInfo(String url_) {
try {
URL url=new URL(url_);
HttpURLConnection opConnection = (HttpURLConnection) url.openConnection();
opConnection.setRequestMethod("GET");
opConnection.connect();
if (opConnection.getResponseCode()==200) {
InputStream inputStream = opConnection.getInputStream();
InputStreamReader inputStreamReader=new InputStreamReader(inputStream);
Gson gson=new Gson();
Data data = gson.fromJson(inputStreamReader, Data.class);
ArrayList<JsonData> arraylist = data.array;
list.clear();
for (int i = 9; i < 12; i++) {
String content = arraylist.get(i).content;
String title = arraylist.get(i).title;
String number = arraylist.get(i).number;
String time = arraylist.get(i).time;
String source = arraylist.get(i).source;
String type = arraylist.get(i).type;
list.add(new Datas(content, number, source, time, title, type));
dao.add(title, content, time, type, source, number);
}
getActivity().runOnUiThread(new Runnable() {

@Override
public void run() {
adapter=new MyAdapter(getActivity(), list);
lv_list.setAdapter(adapter);

// list = dao.select();
lv_list.setOnItemClickListener(new OnItemClickListener() {

@Override
public void onItemClick(AdapterView<?> arg0, View arg1,
int position, long arg3) {
Intent intent=new Intent(getActivity(),ThridActivity.class);
intent.putExtra("list", list.get(position));
startActivity(intent);
}
});
}
});
}
} catch (IOException e) {
e.printStackTrace();
}
}

}