Swiftpack.co - Package - chibombo/AppleSignInWrapper

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AppleSignInWrapper

An easy way to implement Apple Sign In

Content

  1. Features
  2. Requirements
  3. Installation
  4. UIKit Example
  5. SwiftUI Example
  6. Notes

Features

  • Apple Sign in Button in SwiftUI!
  • Apple Sign In Button in Storyboard!
    • States
    • Colors
    • Width
  • A wrapper for the Apple Sign In Fuctions

Requirements

  • iOS 9+ (Classes and Protocols available in iOS 13)
  • Swift 4+
  • SetUp Capabilities of the Project

Installation

CocoaPods

Just add the next line in your podfile

pod 'AppleSignInWrapper'

Swift Package Manager

Just add the next URL in the Swift Package of your project and set the last version

https://github.com/chibombo/AppleSignInWrapper

UIKit Example

  • How to check state of the session if exist. KeychainItem is used to get and set appleId in Keychain(Not included in the wrapper)
import UIKit
import AuthenticationServices
import AppleSignInWrapper

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {
    
    var window: UIWindow?
    
    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        ApplicationDelegate.shared.application(application, didFinishLaunchingWithOptions: launchOptions)
        if #available(iOS 13.0, *) {
            AppleSignInWrapper().checkUserState(userID: KeychainItem.currentUserIdentifier) { (state: ASAuthorizationAppleIDProvider.CredentialState?, error:Error?) in
                if let anError: Error = error{                    
                    // Here you should call your Login ViewController
                } else if let aState: ASAuthorizationAppleIDProvider.CredentialState = state{
                    switch aState {
                    case .authorized:
                        DispatchQueue.main.async {
                            // Here you should call your backend to create a session
                        }
                    case .notFound, .revoked:
                        DispatchQueue.main.async {
                            // Here you should call your Login ViewController 
                        }
                    default:
                        // Here you should call your Login ViewController
                    }
                } else {
                    // Here you should call your Login ViewController
                }
            }
        } else {
            // Fallback on earlier versions
            // Here you should call your Login ViewController without Apple Sign In Button
        }
        return true
    }
  • How to implement Apple Sign In with the Wrapper
import UIKit
import AuthenticationServices
import AppleSignInWrapper

@available(iOS 13.0, *)
class ViewController: AppleIDLoginDelegate {
    // MARK: - Outlets

    @IBOutlet weak var btnAppleSignIn: AppleIDButtonWrapper!
    
    var appleWrapper: AppleSignInWrapper!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        btnAppleSignIn.addTarget(self,
                                 action: #selector(userTappedSignInWithApple),
                                 for: .touchUpInside)
        appleWrapper = AppleSignInWrapper(view: self.view)
        appleWrapper.delegate = self
        // Do any additional setup after loading the view.
    }
    
    @objc func userTappedSignInWithApple() {
        appleWrapper.requestSignIn()
    }
    
    func appleSignInWrapper(didComplete withError: Error) {

    }
    
    func appleSignInWrapper(didComplete withUser: UserInformation, nonce: String?) {
        // Here you should save your user identifier and backend stuff
         
    }
}
  • How to use AppleSignInButton in Storyboards
    • Create an UIButton in your Storyboard
    • Set AppleIDButtonWrapper as Custom Class of the button.
    • How to set AppleIDButtonWrapper
    • Enjoy and custom your button
    • How to set AppleIDButtonWrapper
    • How to set AppleIDButtonWrapper
    • How to set AppleIDButtonWrapper
    • If you use Constraints, please read the Apple Guidelines to avoid warnings in your constraints and the button appear correctly in your view.

SwiftUI Example

  • Create an UIViewRepresentable to use AppleIDButtonWrapper
import SwiftUI
import AppleSignInWrapper

struct AppleSignInButton: UIViewRepresentable {
    
    @Binding var firstName: String
    @Binding var lastName: String
    @Binding var userIdentifier: String
    @Binding var email: String?
    
    typealias UIViewType = AppleIDButtonWrapper
    
    func makeCoordinator() -> AppleSignInCoordinator {
        return AppleSignInCoordinator(loginView: self)
    }

    func makeUIView(context: UIViewRepresentableContext<AppleSignInButton>) -> AppleIDButtonWrapper {
        let appleSignInButton = AppleIDButtonWrapper()
        appleSignInButton.authButtonType = 1
        appleSignInButton.authButtonStyle = 2
        appleSignInButton.layer.cornerRadius = 0
        appleSignInButton.addTarget(context.coordinator, action: #selector(context.coordinator.userTappedAppleSignIn), for: .touchUpInside)
        return appleSignInButton
    }

    func updateUIView(_ uiView: AppleIDButtonWrapper, context: UIViewRepresentableContext<AppleSignInButton>) {
    }
}
  • Create a coordinator in order to manage delegate methods of our wrapper.
import SwiftUI
import AuthenticationServices
import AppleSignInWrapper

class AppleSignInCoordinator: NSObject {
    
    var appleWrapper: AppleSignInWrapper!
    var loginView: AppleSignInButton?

    override init() {
        super.init()
        appleWrapper = AppleSignInWrapper()
        appleWrapper.delegate = self
    }

    init(loginView: AppleSignInButton) {
        super.init()
        self.loginView = loginView
        appleWrapper = AppleSignInWrapper()
        appleWrapper.delegate = self
    }

    @objc func userTappedAppleSignIn() {
        appleWrapper.view = UIApplication.shared.windows.last!.rootViewController?.view
        appleWrapper.requestSignIn()
    }
}

extension AppleSignInCoordinator: AppleIDLoginDelegate {
    func appleSignInWrapper(didComplete withError: Error) {
        
    }
    
    func appleSignInWrapper(didComplete withUser: UserInformation, nonce: String?) {
        loginView?.email = withUser.email
        loginView?.firstName = withUser.firstName
        loginView?.lastName = withUser.lastName
        loginView?.userIdentifier = withUser.userIdentifier       
    }  
}
  • Use your AppleSignInButton
import SwiftUI

struct ContentView: View {
    var body: some View {
        AppleSignInButton(firstName: .constant(""),
                          lastName: .constant(""),
                          userIdentifier: .constant(""),
                          email: .constant(""))
            .frame(width: 200, height: 40, alignment: .center)
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}

Notes

  • Visit this Git https://github.com/LeeKahSeng/SwiftSenpai-ASAuthorizationAppleIDButton-Storyboard

  • Apple Guidelines https://developer.apple.com/sign-in-with-apple/get-started/

Github

link
Stars: 1

Dependencies

Used By

Total: 0

Releases

Nonce Support Added - 2020-10-15 17:05:23

#3 #4

Features

  1. Nonce Support Added
  2. SPM Documentation in README updated

Swift Package Manager Supported - 2020-10-05 18:41:27

#1 #2

Features

  1. Swift Package Manager Supported
  2. SwiftUI Example Added(README.md)
  3. Unit Tests