Android网络连接----使用HttpClient连接网络

package com.test.shiweiwe.networkapp;

import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.StatusLine;
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 java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;

/**
* Created by Administrator on 2015/9/13.
*/
public class MyHTTPClient extends Activity implements View.OnClickListener {
private Button mButtonDoPost;
private Button mButtonDoGet;
private TextView mTextView;

private Handler handler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case 0x23:
String message = (String) msg.obj;
mTextView.setText(message);
break;
}
}
};

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_httpclient);
mTextView = (TextView) findViewById(R.id.textview_httpclient);
mButtonDoGet = (Button) findViewById(R.id.button_httpclient_doget);
mButtonDoPost = (Button) findViewById(R.id.button_httpclient_dopost);
mButtonDoGet.setOnClickListener(this);
mButtonDoPost.setOnClickListener(this);
}

@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.button_httpclient_dopost:

break;
case R.id.button_connect_net_doget:
new Thread(new Runnable() {
@Override
public void run() {
httpClientDoGet();
}
}).start();

break;
}

}

private void httpClientDoGet() {
//得到url
//        String urlString = "http://192.168.0.55:8088/WebTest/ServletTest?name=zhangsan&password=123456";
String urlString = "http://www.baidu.com";
HttpClient client = new DefaultHttpClient();
//设置get方法
HttpGet get = new HttpGet(urlString);

try {
//执行get方法得到服务器返回的所有数据都在response中
HttpResponse response = client.execute(get);
//httpClient访问服务器返回的标头，包含http状态码
StatusLine status = response.getStatusLine();
int code = status.getStatusCode();
if (code == HttpURLConnection.HTTP_OK) {
//得到数据的实体
HttpEntity entity = response.getEntity();
String line = EntityUtils.toString(entity, "UTF-8");
Message message = new Message();
message.what = 0x23;
message.obj = line;
handler.sendMessage(message);
Log.d("httpClientDoGet", line);

}
} catch (ClientProtocolException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}
}