ios - sistema - No se puede acceder al inicializador debido al nivel de protección ''interno''

protocolo a la carta africana de derechos humanos y de los pueblos

Question

Tengo algunos protocolos

Iniciar sesiónEstrategia

public protocol LoginStrategy {
func login(_ viewController: UIViewController)
func getUserInfo(withCompletionHandler completionHandler: @escaping (_ userInfo: [String: Any]?) -> ())
func createLoginButton(_ frame: CGRect, withCompletionHandler completionHandler: @escaping (_ loginButton: UIView) -> ())
func getUserId() -> String
}

y dos clases:

LoginProvider

public class LoginProvider {
public let strategy: LoginStrategy
public func login(_ viewController: UIViewController) {
return self.strategy.login(viewController)
}
public func getUserInfo(withCompletionHandler completionHandler: @escaping (_ userInfo: [String: Any]?) -> ()) {
return self.strategy.getUserInfo(withCompletionHandler: completionHandler)
}
public func createLoginButton(_ frame: CGRect, withCompletionHandler completionHandler: @escaping (_ loginButton: UIView) -> ()) {
return self.strategy.createLoginButton(frame, withCompletionHandler: completionHandler)
}
public func getUserId() -> String {
return self.strategy.getUserId()
}
public init(strategy: LoginStrategy) {
self.strategy = strategy
}
}

FacebookLoginStrategy

import Foundation
import FacebookCore
import FacebookLogin
public class FacebookLoginStrategy: LoginStrategy {
public var grantedPermissions: Set<Permission>? = nil
public var declinedPermissions: Set<Permission>? = nil
public var userId: String = ""
public func login(_ viewController: UIViewController) {
let loginManager = LoginManager()
let permissions: [ReadPermission] = [.publicProfile, .userFriends, .email]
loginManager.logIn(permissions, viewController: viewController) { loginResult in
switch loginResult {
case .failed(let error):
print(error)
case .cancelled:
print("User cancelled login.")
case .success(let grantedPermissions, let declinedPermissions, let accessToken):
self.userId = accessToken.userId ?? ""
self.grantedPermissions = grantedPermissions
self.declinedPermissions = declinedPermissions
print("Logged in!")
}
}
}
public func getUserId() -> String {
return userId
}
public func getUserInfo(withCompletionHandler completionHandler: @escaping (_ userInfo: [String: Any]?) -> ()) {
let request = GraphRequest(graphPath: "me", parameters: ["fields":"email, name"], accessToken: AccessToken.current, httpMethod: .GET, apiVersion: FacebookCore.GraphAPIVersion.defaultVersion)
request.start { (response, result) in
switch result {
case .success(let value):
print(value.dictionaryValue)
completionHandler(value.dictionaryValue)
case .failed(let error):
print(error)
}
}
}
public func createLoginButton(_ frame: CGRect, withCompletionHandler completionHandler: @escaping (_ loginButton: UIView) -> ()) {
let permissions: [ReadPermission] = [.publicProfile, .userFriends, .email]
let loginButton = LoginButton(readPermissions: permissions)
loginButton.frame = frame
completionHandler(loginButton)
}
}

En mi ViewController :

Cuando uso:

let facebookLoginProvider = LoginProvider(strategy: FacebookLoginStrategy())

Dice:

No se puede acceder a ''FacebookLoginStrategy'' debido al nivel de protección ''interno''

Answer 1

Simplemente agregue a su FacebookLoginStrategy:

public init() {}

Mientras no implemente init () explícitamente, se marca como interno de forma predeterminada. Debe sobrescribir ese nivel de permiso para poder crear una instancia desde fuera de su marco.