3
我試圖用facebook sdk登錄Facebook,但是當用戶授權應用程序時,它顯示空白屏幕,並且無法獲得回叫。 它用於正常工作,但突然,它不起作用。無法使用Facebook SDK獲取登錄回撥swift
let manager = FBSDKLoginManager()
manager.logInWithReadPermissions(["public_profile", "email", "user_friends"], fromViewController: self) { (result, error) in
if error != nil {
print(error.localizedDescription)
}
else if result.isCancelled {
print("Facebook login cancelled")
}
else {
let token = FBSDKAccessToken.currentAccessToken().tokenString
let credential = FIRFacebookAuthProvider.credentialWithAccessToken(token)
FIRAuth.auth()?.signInWithCredential(credential, completion: { (user, error) in
if error != nil {
print(error?.localizedDescription)
}
else {
self.performSegueWithIdentifier("MainScreenSignUp", sender: self)
}
})
}
}
是否有任何人誰擁有這方面的經驗?