Android request HTTP Basic Authentication

Asp.net MVC web API implements a restful implementation based on HTTP Basic Authentication authentication. The authorizeattribute is implemented as follows:
 

 1   Public   Class  Httpbasicauthorizeattribute: system. Web. http. authorizeattribute  2   {  3           Public   Override   Void  Onauthorization (system. Web. http. controllers. httpactioncontext actioncontext)  4   {  5               If (Actioncontext. Request. headers. Authorization! = Null  )  6   {  7                   String Userinfo = Encoding. Default. getstring (convert. frombase64string (actioncontext. Request. headers. Authorization. Parameter ));  8                   //  User verification Logic  9                   If ( String . Equals (userinfo, String . Format ( "  {0 }:{ 1}  " , "  Hello  " , "  123456  "  )))  10   {  11   Isauthorized (actioncontext );  12  }  13                   Else  14   {  15   Handleunauthorizedrequest (actioncontext );  16   }  17   }  18               Else  19   {  20   Handleunauthorizedrequest (actioncontext );  21   }  22   }  23   24           Protected   Override   Void Handleunauthorizedrequest (system. Web. http. controllers. httpactioncontext actioncontext)  25   {  26               VaR Challengemessage = New  System. net. http. httpresponsemessage (system. net. httpstatuscode. Unauthorized );  27 Challengemessage. headers. Add ( "  WWW-Authenticate  " , "  Basic  "  );  28               Throw   New  System. Web. http. httpresponseexception (challengemessage );  29   } 30 }

 
Android needs the following implementation to call this restful API as a client:
 

 1   Public   Static  String invoke (string actionname ){  2 String result = Null  ;  3           Try  {  4 String url = server_url + actionname + "/" ;  5 Log. D (TAG, "url is" + URL );  6   7 Httpget httpreq = New  Httpget (URL );  8  Httpreq. addheader (basicscheme. Authenticate (  9                       New Usernamepasswordcredentials ("hello", "123456" ),  10 "UTF-8 ", False  ));  11 Defaulthttpclient httpclient = New  Defaulthttpclient ();  12 Httpresponse = Httpclient.exe cute (httpreq );  13   14 Stringbuilder builder = New  Stringbuilder ();  15 Bufferedreader reader = New Bufferedreader ( New  Inputstreamreader (  16   Httpresponse. getentity (). getcontent ()));  17               For (String S = reader. Readline (); s! = Null ; S = Reader. Readline ()){  18   Builder. append (s );  19   }  20 Result = Builder. tostring ();  21 Log. D (TAG, "result is (" + Result + ")" );  22   23               //  Save cookie  24 Cookiestore = (Abstracthttpclient) httpclient). getcookiestore ();  25 } Catch  (Exception e ){  26   Log. E (TAG, E. tostring ());  27   }  28 Log. D (TAG, "over" );  29           Return  Result;  30 }

The caller must note that the website must be released. The Android caller must use an address like 192.168.1.100 to access the website. Do not use an address like localhost. Remember!