我正在跟随Rob Percival的iOS开发人员课程,目前我被困在“优步克隆”项目中。以下是问题代码的摘录。出现错误的代码行是:
if user?.displayName == "Lehrer" {
它位于注释//LOG IN
之后
@IBAction func topTapped(_ sender: Any) {
if emailTextField.text == "" || passwordTextField.text == "" {
displayAlert(title: "Achtung", message: "Du musst sowohl eine Email-Adresse als auch Passwort eingeben!")
} else {
if let email = emailTextField.text {
if let password = passwordTextField.text {
if signUpMode {
// SIGN UP
Auth.auth().createUser(withEmail: email, password: password, completion: { (user, error) in
if error != nil {
self.displayAlert(title: "Error", message: error!.localizedDescription)
} else {
if self.benutzerLehrerSwitch.isOn {
//Lehrer
let req = Auth.auth().currentUser?.createProfileChangeRequest()
req?.displayName = "Lehrer"
req?.commitChanges(completion: nil)
self.performSegue(withIdentifier: "lehrerSegue", sender: nil)
} else {
// RIDER
let req = Auth.auth().currentUser?.createProfileChangeRequest()
req?.displayName = "Benutzer"
req?.commitChanges(completion: nil)
self.performSegue(withIdentifier: "benutzerSegue", sender: nil)
}
}
})
} else {
// LOG IN
Auth.auth().signIn(withEmail: email, password: password, completion: { (user, error) in
if error != nil {
self.displayAlert(title: "Error", message: error!.localizedDescription)
} else {
if user?.displayName == "Lehrer" {
// BENUTZER
self.performSegue(withIdentifier: "benutzerSegue", sender: nil)
} else {
// LEHRER
self.performSegue(withIdentifier: "lehrerSegue", sender: nil)
}
}
})
}
}
}
}
}
基本上,我允许用户注册为两种不同类型的角色("Lehrer“或"Benutzer")中的一种,根据他们选择的角色,他们应该在登录后看到不同的屏幕。我使用Firebase作为这段代码的后端,如果我删除了错误的代码,那么注册用户的帐户就可以正常工作。有谁有什么想法吗?
您可以在此屏幕截图中看到确切的外观:
https://stackoverflow.com/questions/50553748
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