ios - Facebook login for Swift project -

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i prompting users sign in through facebook obtain profile picture app's profile. code have requesting facebook sign in:

func facebooksignin() {     //current user that's logged in sign view     let curruser = pfuser.currentuser()      //create facebook session     fbsession.openactivesessionwithreadpermissions(permission, allowloginui: true, completionhandler: {         (session, status, error) -> void in             fbrequestconnection.startformewithcompletionhandler {(connection, result, error) -> void in             if error == nil {                 if result != nil && result.objectid != nil {                     //create column in parse called "facebookid"                     curruser!.setobject(result.objectid string, forkey: "facebookid")                     curruser!.saveinbackground()                 }             }     } }

it worked fine before turned app development mode public. now, every time click "sign in on facebook" button, takes me safari facebook page , says "error. not logged in: not logged in. please login , try again"

anyone have idea issue be? log in page doesn't prompt anymore.

i see trying implement facebook login using facebook , parse ios sdk. not sure if necessary use fbsession , fbrequestconnection login. there 2 ways go. first 1 use parse facebook utils process login. or implement login via facebook ios sdk. below can find code second option coupled user registration.

override func viewdidload(){     fbsdkprofile.enableupdatesonaccesstokenchange(true)     nsnotificationcenter.defaultcenter().addobserver(self, selector: "fb:", name: fbsdkprofiledidchangenotification, object: nil) // hi! have logged in! can profile picture in "fb" function (since fbsdkprofile.currentprofile() loaded asynchronously downloaded) }  @ibaction func loginwithfacebook(sender: anyobject) { // button login     let fbloginmanager = fbsdkloginmanager()     fbloginmanager.loginbehavior = fbsdkloginbehavior.web     fbloginmanager.loginwithreadpermissions(["email", "public_profile", "user_friends"], handler: {         (result: fbsdkloginmanagerloginresult!, error:nserror!) -> void in         if error == nil && result.token != nil {             // logged in         } else {             // process error         }     }) }  func fb(notif:nsnotification){ // access token has changed! have logged in or logged out     if fbsdkaccesstoken.currentaccesstoken() != nil { // logged in?         pffacebookutils.logininbackgroundwithaccesstoken(fbsdkaccesstoken.currentaccesstoken(), block: { // let`s login fb user parse (using acquired fb access token)             (user: pfuser?, error: nserror?) -> void in             if let user = user {                 if user.isnew { // user new? let`s register in parse                     let smallprofileimage = fbsdkprofile.currentprofile().imagepathforpicturemode(fbsdkprofilepicturemode.normal, size: cgsizemake(100, 100))  // // user profile picture in small size                     let bigprofileimage = fbsdkprofile.currentprofile().imagepathforpicturemode(fbsdkprofilepicturemode.normal, size: cgsizemake(600, 600)) // user profile picture in big size                     user.setobject("https://graph.facebook.com/\(smallprofileimage)", forkey: "smallprofileimage") // set user`s small image (link)                     user.setobject("https://graph.facebook.com/\(bigprofileimage)", forkey: "bigprofileimage") // set user`s small image (link)                     pffacebookutils.linkuserinbackground(user, withaccesstoken: fbsdkaccesstoken.currentaccesstoken()) // save user in parse                 }             } else {                 print("uh oh. there error logging in.")             }         })      }  }

update: seems have figured out. go facebook dev portal page , choose app. on left side panel, select "settings". check app info , "bundle id" (if correct, replace one, save settings , put correct 1 in). if issue still present, please go facebook app main page , go through "get started facebook sdk" guide (and check if bundle identifier correct when prompted). also, in "client oauth settings" (advanced tab on top) thing have enabled client oauth login


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