ios - Facebook Login returns nil user Xcode 7 -

i have exact same situation topic pffacebookutils.logininbackgroundwithreadpermissions, swift 1.2, user returned nil

i user nil , error nil, author said code started working didn't post solution, ideas?

(i'm new, don't have reputation post in topic)

try this:

librarys in podfile:

pod 'fbsdkcorekit', '~> 4.2'

pod 'fbsdkloginkit', '~> 4.2'

pod 'fbsdksharekit', '~> 4.2'

appdelegate.swif class:

import uikit  import fbsdkcorekit  import fbsdksharekit  import fbsdkloginkit   @uiapplicationmain class appdelegate: uiresponder, uiapplicationdelegate{      func application(application: uiapplication, didfinishlaunchingwithoptions launchoptions: [nsobject: anyobject]?) -> bool {         return fbsdkapplicationdelegate.sharedinstance().application(application, didfinishlaunchingwithoptions: launchoptions)      }       // added handle authorization code returned sign-in.     func application(application: uiapplication, openurl url: nsurl, sourceapplication: string?, annotation: anyobject?) -> bool {         return fbsdkapplicationdelegate.sharedinstance().application(application, openurl: url, sourceapplication: sourceapplication, annotation: annotation)     } } 

mainviewcontroller class or other view controller:

import uikit import fbsdkcorekit import fbsdksharekit import fbsdkloginkit  class mainviewcontroller: uiviewcontroller, fbsdkloginbuttondelegate{      override func viewdidload() {         super.viewdidload()          var fbloginbutton : fbsdkloginbutton = fbsdkloginbutton()         fbloginbutton.readpermissions = ["public_profile", "email", "user_friends"]         fbloginbutton.delegate = self         self.view.addsubview(fbloginbutton)         fbloginbutton.center = self.view.center     }      override func viewdidappear(animated: bool) {         if (fbsdkaccesstoken.currentaccesstoken() != nil){             self.returnuserdata()         }     }      func gototabcontroller(){         util.showviewcontroller(viewcontrollersource: self, viewcontrollertoshow: "tabbarcontroller")     }      //////////////////////////////////////     //     facebook methods delegate    ///     //////////////////////////////////////       func loginbutton(loginbutton: fbsdkloginbutton!, didcompletewithresult result: fbsdkloginmanagerloginresult!, error: nserror!) {         if ((error) != nil){             // process error         }else if result.iscancelled {             // handle cancellations         }else {             // if ask multiple permissions @ once, should check if specific permissions missing             if result.grantedpermissions.contains("email"){                 self.returnuserdata()             }         }     }      func loginbuttondidlogout(loginbutton: fbsdkloginbutton!) {         //println("user logged out")     }      func returnuserdata(){         fbsdkgraphrequest(graphpath: "me", parameters: ["fields": "id, name, first_name, last_name, email"]).startwithcompletionhandler({ (connection, result, error) -> void in             if (error == nil){                 println(result.valueforkey("email"))                 println(result.valueforkey("name"))                                 self.gototabcontroller()             }         })     }          //////////////////////////////////////     //      facebook methods delegate  ///     //////////////////////////////////////     } 

i hope helps you