[Android实例] 关于webview如何自动登录保存登录信息

2013-02-04 16:48 4291人阅读 评论(2) 收藏 举报

【转载请注明原作者和原文链接】
这个是自己总结出来的经验，求版主推荐，求申精！ 
用户名密码登录验证后保存Session

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[java] view plaincopy

1. // 你的URL  

2.                 HttpPost httppost = new HttpPost(Constants.ServerUrl.WEB_URL + url);  

3.                 try {  

4.    

5.                         List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(2);  

6.    

7.                         // Your DATA  

8.                         nameValuePairs.add(new BasicNameValuePair("UserName", map  

9.                                         .get("UserName")));  

10.    

11.                         nameValuePairs.add(new BasicNameValuePair("Password", map  

12.                                         .get("Password")));  

13.    

14.                         httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));  

15.    

16.                         HttpResponse response;  

17.    

18.                         response = httpclient.execute(httppost);  

19.                         if (response.getStatusLine().getStatusCode() == 200) {  

20.                                 // 获得响应  

21.                                 String result = EntityUtils.toString(response.getEntity());  

22.                                 // SharedPreferences preferences = context.getSharedPreferences(  

23.                                 // "login", Context.MODE_PRIVATE);  

24.                                 // Editor editor = preferences.edit();  

25.                                 // String handlers = "";  

26.                                 String cookie = "";  

27.                                 Date sessionTime = new Date();  

28.                                 List<Cookie> cookies = httpclient.getCookieStore().getCookies();  

29.                                 if (!cookies.isEmpty()) {  

30.                                         for (int i = 0; i < cookies.size(); i++) {  

31.                                                 cookie = cookies.get(i).getName() + "="  

32.                                                                 + cookies.get(i).getValue() + ";domain="  

33.                                                                 + cookies.get(i).getDomain();  

34.                                                 ;  

35.                                                 sessionTime = cookies.get(i).getExpiryDate();  

36.                                         }  

37.                                 }  

38.                                //保存session  

39.                                 PersistentConfig config = new PersistentConfig(context);  

40.                                 config.setCookie(cookie);  

41.    

42.                                 config.setSessionTime(sessionTime.getTime());  

43.                                 // for (int i = 0; i < response.getAllHeaders().length; i++) {  

44.                                 // if (response.getAllHeaders()<i>.toString().contains(  

45.                                 // "set-cookie")) {  

46.                                 // handlers += response.getAllHeaders()<i>.toString();  

47.                                 // break;  

48.                                 // }  

49.                                 // }  

50.                                 //  

51.                                 // editor.putString("cookies",  

52.                                 // response.getHeaders("Set-Cookie")[0].toString());  

53.                                 // editor.commit();  

54.                                 return result;  

55.                         }  

56.    

57.                 } catch (ClientProtocolException e) {  

58.    

59.                         // TODO Auto-generated catch block  

60.    

61.                         e.printStackTrace();  

62.    

63.                 } catch (IOException e) {  

64.    

65.                         // TODO Auto-generated catch block  

66.    

67.                         e.printStackTrace();  

68.    

69.                 }</i></i>  

如何在Webview请求网站时使用Session

[java] view plaincopy

1.         //webview初始化的时候调用  

2.         main_view = (WebView) findViewById(R.id.main_webview);  

3.         new WebViewTask().execute();  

4.            

5.         private class WebViewTask extends AsyncTask<Void, Void, Boolean> {  

6.                 String sessionCookie;  

7.                 CookieManager cookieManager;  

8.    

9.                 @Override  

10.                 protected void onPreExecute() {  

11.                         CookieSyncManager.createInstance(MainActivity.this);  

12.                         cookieManager = CookieManager.getInstance();  

13.    

14.                         sessionCookie = new PersistentConfig(getApplicationContext())  

15.                                         .getCookieString();  

16.                         if (sessionCookie != null) {  

17.                                 // delete old cookies  

18.                                 cookieManager.removeSessionCookie();  

19.                         }  

20.                         super.onPreExecute();  

21.                 }  

22.    

23.                 protected Boolean doInBackground(Void... param) {  

24.                         // this is very important - THIS IS THE HACK  

25.                         SystemClock.sleep(1000);  

26.                         return false;  

27.                 }  

28.    

29.                 @Override  

30.                 protected void onPostExecute(Boolean result) {  

31.                         if (sessionCookie != null) {  

32.                                 cookieManager.setCookie(Constants.ServerUrl.WEB_URL,  

33.                                                 sessionCookie);  

34.                                 CookieSyncManager.getInstance().sync();  

35.                         }  

36.                         main_view.setScrollbarFadingEnabled(true);  

37.                         main_view.getSettings().setPluginsEnabled(true);  

38.                         main_view.getSettings().setPluginState(PluginState.ON);  

39.                         main_view.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY);  

40.                         WebSettings webSettings = main_view.getSettings();  

41.                         webSettings.setJavaScriptEnabled(true);  

42.                         // 设置可以访问文件  

43.                         webSettings.setAllowFileAccess(true);  

44.                         // 设置支持缩放  

45.                         webSettings.setBuiltInZoomControls(true);  

46.                         main_view.setWebViewClient(new WebViewClient() {  

47.                                 @Override  

48.                                 public void onPageStarted(WebView view, String url,  

49.                                                 Bitmap favicon) {  

50.                                         // TODO Auto-generated method stub   

51.                                         super.onPageStarted(view, url, favicon);  

52.                                 }  

53.    

54.                                 @Override  

55.                                 public void onLoadResource(WebView view, String url) {  

56.                                         // history();   

57.                                 }  

58.                         });  

59.                         main_view.setWebChromeClient(new WebChromeClient() {  

60.                                 public void onProgressChanged(WebView view, int progress) {  

61.                                         //Change  

62.                                 }  

63.                         });  

64.                         ShowUrlView(Constants.ServerUrl.INDEX);  

65.                 }  

66.         }