Android4.0.4编程日记（5）--URL网络链接获取数据

package com.example.test;

import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.StrictMode;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;

import com.example.pojo.Params;

/**
*
* @author 王莹 URL   HttpURLConnection */
public class MainActivity extends Activity {
private ListView mylistview;

private TextView textView;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.client);
try {
StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder().detectDiskReads().detectDiskWrites().detectNetwork().penaltyLog().build());
StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder().detectLeakedSqlLiteObjects().detectLeakedClosableObjects().penaltyLog().penaltyDeath().build());
getHttp();

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

private void getHttp() {

try {
URL url = new URL("http://www.google.cn/");
//			URL url = new URL("http://192.168.0.133:8888/AndroidTest/login.jsp");
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setDoInput(true);
conn.setConnectTimeout(10000);
conn.setRequestMethod("GET");
conn.setRequestProperty("accept", "*/*");
String location = conn.getRequestProperty("location");
int resCode = conn.getResponseCode();
conn.connect();
InputStream stream = conn.getInputStream();
byte[] data = new byte[102400];
int length = stream.read(data);
String str = new String(data, 0, length);
conn.disconnect();
textView=(TextView) findViewById(R.id.httpnote);
textView.setText(str);
stream.close();

} catch (Exception ee) {
System.out.print("ee:" + ee.getMessage());
}

}

/**
* 异常解决android.os.NetworkOnMainThreadException
* http://www.cnblogs.com/sjrhero/articles/2606833.html */

}