windows phone 8 - How to get user email, public_profile from facebook access_token -

i'm building windows phone 8.1 app allow user login facebook account.

there code:

string productid = "myproductid";  string facebookappid = "myfacebookappid"; string redirecturi = "msft-"+productid+"://authorize"; string scope = "public_profile,email"; // want fetch facebook user string responsetype = "token"; // other response types possible  uribuilder authuri = new uribuilder("https://www.facebook.com/dialog/oauth"); authuri.query = "client_id=" + facebookappid + "&redirect_uri=" + redirecturi + "&scope=" + scope + "&response_type=" + responsetype;  var success = await windows.system.launcher.launchuriasync(uritolaunch); 

and code in app.xaml.cs:

    protected override void onactivated(iactivatedeventargs args)     {         base.onactivated(args);           if (args.kind == activationkind.webauthenticationbrokercontinuation)         {             app.mobileservice.logincomplete(args webauthenticationbrokercontinuationeventargs);         }         if (args.kind == activationkind.protocol)         {             protocolactivatedeventargs eventargs = args protocolactivatedeventargs;              wwwformurldecoder decoder = new wwwformurldecoder(eventargs.uri.fragment);              string fbaccesstoken = decoder.getfirstvaluebyname("#access_token");              /* can use access token interact facebook api */         }      } 

but how user's email , profile "fbaccesstoken"?

thanks.

you can use graph apis of facebook

graph.facebook.com/me?access_token={0}

please refer link - https://developers.facebook.com/docs/graph-api/using-graph-api/v2.3