Android WebView 与HttpClient 共用本地cookie问题

参考：https://gist.github.com/arpit/610754

http://www.cnblogs.com/loveyakamoz/archive/2011/07/21/2113246.html

我是为了解决：WebView 缓存下来的cookie可以用于HttpClient，因为我的HttpClient单独需要取一些数据，但是依赖于本地的cookie。如果没有cookie返回来的是登录页面

核心代码：1. mainActivity.java
public void onCreate(Bundle savedInstanceState) {        View v = inflater.inflate(R.layout.main_fragment, container, false);                mWebView = (WebView) v.findViewById(R.id.webview);        MyWebViewClient webviewClient = new MyWebViewClient();        mWebView.setWebViewClient(webviewClient);WebSettings webset = mWebView.getSettings();webset.setJavaScriptEnabled(true);mWebView.loadUrl(Constants.TALKGROUP_URL);        return v;    }private class MyWebViewClient extends WebViewClient {@Overridepublic void onPageFinished(WebView view, String url) {super.onPageFinished(view, url);IWLog.d(TAG, "onPageFinished() url is:"+url);/* 将cookie保存起来*/String c = CookieManager.getInstance().getCookie(url);DataCenter.setCookie(c);CookieSyncManager.getInstance().sync();}@Overridepublic void onReceivedError(WebView view, int errorCode,String description, String failingUrl) {IWLog.d(TAG, "onReceivedError() errorCode:" + errorCode+"----failingUrl"+failingUrl);super.onReceivedError(view, errorCode, description, failingUrl);}@Overridepublic boolean shouldOverrideUrlLoading(WebView view, String url) {IWLog.d(TAG, "shouldOverrideUrlLoading() url:" + url);return super.shouldOverrideUrlLoading(view, url);}}
2 DataCenter.java
public class DataCenter {private static String cookies;public static String getCookie() {return cookies;}public static void setCookie(String cks) {cookies = cks;}}
3 MyHttpClient.java
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.net.URI;import org.apache.http.HttpResponse;import org.apache.http.client.CookieStore;import org.apache.http.client.methods.HttpGet;import org.apache.http.client.protocol.ClientContext;import org.apache.http.impl.client.BasicCookieStore;import org.apache.http.impl.client.DefaultHttpClient;import org.apache.http.impl.cookie.BasicClientCookie;import org.apache.http.protocol.BasicHttpContext;import com.petsea.data.DataCenter;import com.petsea.data.NavigationUrl;import android.graphics.Bitmap;import android.os.AsyncTask;import android.util.Log;public class MyHttpClient {public static String TAG = "MyHttpClient";public void execute() {RequestChatListTask task = new RequestChatListTask();task.execute();}private class RequestChatListTask extends AsyncTask<Bitmap, Integer, String> {@Overrideprotected void onPreExecute() {super.onPreExecute();}@Overrideprotected String doInBackground(Bitmap... params) {BufferedReader in = null;DefaultHttpClient httpclient;BasicHttpContext localContext;CookieStore cookieJar;try {httpclient = new DefaultHttpClient();cookieJar = new BasicCookieStore();localContext = new BasicHttpContext();HttpGet httpget = new HttpGet();httpget.setURI(new URI(NavigationUrl.CHAT_LIST_URL));//这里是你要请求的地址String _cookie = DataCenter.getCookie(); if(_cookie !=null && !_cookie.equals("")){ String[] cookies = _cookie.split(";"); for(int i=0; i< cookies.length; i++){ String[] nvp = cookies[i].split("="); BasicClientCookie c = new BasicClientCookie(nvp[0], nvp[1]); //c.setVersion(0); c.setDomain("www.baidu.com");//这里是自己的主机地址 cookieJar.addCookie(c); } }localContext.setAttribute(ClientContext.COOKIE_STORE, cookieJar);HttpResponse response = httpclient.execute(httpget,localContext);int code = response.getStatusLine().getStatusCode();System.out.print("code is="+code);//返回200是正确的in = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));StringBuffer sb = new StringBuffer("");String line = "";String NL = System.getProperty("line.separator");while ((line = in.readLine()) != null) {sb.append(line + NL);}in.close();String page = sb.toString();///System.out.println(page);return page; //success} catch (Exception e) {e.printStackTrace();} finally {if (in != null) {try {in.close();} catch (IOException e) {e.printStackTrace();}}}return null;}@Overrideprotected void onProgressUpdate(Integer... values) {super.onProgressUpdate(values);}@Overrideprotected void onPostExecute(String result) {super.onPostExecute(result);Log.i(TAG, "onPostExecute result is:" + result);}}}
上面只是我工程的一部分代码，主要来说明问题的。不便把全部代码上传。我也是调试了一阵才弄出来的。给大家推荐一个工具：WireShark 用于抓取网络包的，可以查看你的http请求以及返回，里面会显示到cookie的内容还有其它格式下载地址 http://www.wireshark.org/download.html

	
				
	
					   
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