android HttpClient 代理設定 串連到互連網

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    >    <Button     android:id="@+id/btn"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:text="request btn"/><TextView      android:layout_width="fill_parent"     android:layout_height="wrap_content"     android:text="@string/hello"    /></LinearLayout>
package com.oppo;import org.apache.http.HttpEntity;import org.apache.http.HttpHost;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.conn.params.ConnRouteParams;import org.apache.http.impl.client.DefaultHttpClient;import org.apache.http.params.BasicHttpParams;import org.apache.http.params.HttpParams;import android.app.Activity;import android.net.Proxy;import android.os.Bundle;import android.util.Log;import android.view.View;import android.widget.Button;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;public class HttpTestActivity extends Activity {    protected static final String TAG = "HttpTestActivity";    private Button requestBtn;    private HttpResponse httpResponse;    private HttpEntity httpEntity;    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);                requestBtn = (Button)findViewById(R.id.btn);        requestBtn.setOnClickListener(new View.OnClickListener() {                        @Override            public void onClick(View v) {                //擷取代理資訊                String host = Proxy.getHost(getApplicationContext());                int port = Proxy.getPort(getApplicationContext());                Log.d(TAG, "[createHttpClient] proxyHost = " + host);                  Log.d(TAG, "[createHttpClient] proxyPort = " + port);                                  //設定主機http串連資訊                HttpHost httpHost = new HttpHost(host, port);                HttpParams httpParams = new BasicHttpParams();                httpParams.setParameter(ConnRouteParams.DEFAULT_PROXY, httpHost);                                HttpGet httpGet = new HttpGet("http://www.baidu.com");                HttpClient httpClient = new DefaultHttpClient(httpParams);                                                InputStream inputStream = null;                                try {                    httpResponse = httpClient.execute(httpGet);                    httpEntity = httpResponse.getEntity();                    inputStream = httpEntity.getContent();                                        BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));                    String result = "";                    String line = "";                                     while((line = reader.readLine()) != null){                        result += result + line;                    }                    System.out.println(result);                } catch (ClientProtocolException e) {                    e.printStackTrace();                } catch (IOException e) {                    e.printStackTrace();                }finally{                    /*try {                        inputStream.close();                    } catch (IOException e) {                        e.printStackTrace();                    }*/                }            }        });        }}
別忘了這句哦 要有intent存取權限
<uses-permission android:name="android.permission.INTERNET"/>
部落格已搬到http://marspring.mobi/