Added Some screens here.
import UIKit
import Foundation
import LocalAuthentication
enum BiometricType {
case none
case touchID
case faceID
}
class BiometricIDAuth {
var loginReason = "Logging in with Touch ID"
let context = LAContext()
func canEvaluatePolicy() -> Bool {
return context.canEvaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, error: nil)
}
func biometricType() -> BiometricType {
let _ = context.canEvaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, error: nil)
switch context.biometryType {
case .none:
return .none
case .touchID:
return .touchID
case .faceID:
return .faceID
}
}
func authenticateUser(completion: @escaping () -> Void) { // 1
// 2
guard canEvaluatePolicy() else {
return
}
// 3
context.evaluatePolicy(.deviceOwnerAuthenticationWithBiometrics,
localizedReason: loginReason) { (success, evaluateError) in
// 4
if success {
DispatchQueue.main.async {
// User authenticated successfully, take appropriate action
completion()
}
} else {
// TODO: deal with LAError cases
}
}
}
}import UIKit
class ViewController: UIViewController, UITextFieldDelegate {
@IBOutlet weak var pinTextFiield: UITextField!
@IBOutlet weak var touchIDTitle: UILabel!
@IBOutlet weak var touchIDImage: UIImageView!
@IBOutlet weak var touchIDButton: UIButton!
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view.
pinTextFiield.delegate = self
let touchMe = BiometricIDAuth()
switch touchMe.biometricType() {
case .faceID:
touchIDTitle.text = "Login with Face ID"
touchIDImage.image = UIImage(named: "face_id")
case .touchID:
touchIDTitle.text = "Login with Touch ID"
touchIDImage.image = UIImage(named: "touch_id")
default:
touchIDTitle.text = "UKnown"
touchIDImage.image = nil
}
//Must Call because Showing Auth Alert When Load View First Time
touchIDLoginAction()
}
func textFieldShouldReturn(_ textField: UITextField) -> Bool {
pinTextFiield.resignFirstResponder()
return true
}
@IBAction func touchIDLoginAction() {
let touchMe = BiometricIDAuth()
touchMe.authenticateUser() { [weak self] in
//Go To Dashboard Screen When Login Success Fully
let storyboard = UIStoryboard.init(name: "Main", bundle: nil)
let dashobardVC = storyboard.instantiateViewController(withIdentifier: "DashboardVC") as! DashboardVC
self?.navigationController?.pushViewController(dashobardVC, animated: true)
}
}
}
This code is distributed under the terms and conditions of the MIT license.
A brief summary of each this release can be found in the CHANGELOG.