ios8.1 - Error for request to endpoint 'me/feed': An open FBSession must be specified for calls to this endpoint -


i know question posted many times didn't suggestion can solve problem. wasted 2 days on problem till didn't solutions. please give valuable guidance.

i want post status on facebook.

  if ([posttype isequal:@"article"])     {          [dict setobject:posttitle forkey:@"message"];         params = [nsmutabledictionary dictionarywithobjectsandkeys:                   posttitle, @"message", nil];          if (fbsession.activesession.isopen) {              // yes, open, lets make request user details can user name.             if ([[[fbsession activesession] permissions]indexofobject:@"publish_actions"] == nsnotfound) {                  [[fbsession activesession] requestnewpublishpermissions:[nsarray arraywithobjects: @"publish_actions",nil] defaultaudience:fbsessiondefaultaudiencefriends                                                       completionhandler:^(fbsession *session,nserror *error){                                                           [self promptuserwithaccountname];                                                       }];              }else{                 [self promptuserwithaccountname];             }              // custom method - see below:            } else {               nsarray *permissions = [[nsarray alloc] initwithobjects:                                     @"publish_actions",                                     nil];              // open session!             [fbsession openactivesessionwithpermissions:permissions                                            allowloginui:yes                                       completionhandler:^(fbsession *session,                                                           fbsessionstate status,                                                           nserror *error) {                                           // if login fails reason, alert                                           if (error) {                                                // show error user.                                            } else if (fb_issessionopenwithstate(status)) {                                                // no error, proceed requesting user details of current facebook session.                                                [self promptuserwithaccountname];   // custom method - see below:                                           }                                        }];           }

custom method:

 -(void)promptuserwithaccountname { [[fbrequest requestforme] startwithcompletionhandler:  ^(fbrequestconnection *connection, nsdictionary<fbgraphuser> *user, nserror *error) {      if (!error) {           [fbrequestconnection startwithgraphpath:@"me/feed"                                       parameters:params                                       httpmethod:@"post"                                completionhandler:^(fbrequestconnection *connection,                                                    id result,                                                    nserror *error){                                     if (!error) {                                        uialertview *tmp = [[uialertview alloc]                                                            initwithtitle:@"success"                                                            message:@"photo uploaded"                                                            delegate:self                                                            cancelbuttontitle:nil                                                            otherbuttontitles:@"ok", nil];                                         [tmp show];                                     } else {                                        uialertview *tmp = [[uialertview alloc]                                                            initwithtitle:@"error"                                                            message:@"some error happened"                                                            delegate:self                                                            cancelbuttontitle:nil                                                            otherbuttontitles:@"ok", nil];                                         [tmp show];                                     }                                  }];         }     }];   }


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