iOS Headless PIN Authenticator

#import <HYPRPINHeadless/HYPRPINHeadless.h>

internal func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
   [HYPRUAFClient registerAuthenticatorModule:[HYPRPINHeadlessAsm class]];
   UIViewController *anInvisiblePINViewController = [[UIStoryboard storyboardWithName:@"Main" bundle:nil] instantiateViewControllerWithIdentifier:@"idForInvisiblePINViewController"];
   [HYPRPINHeadlessController.sharedInstance setPinLength:@6];
   [HYPRPINHeadlessController.sharedInstance setEnrollmentViewController:anInvisiblePINViewController];
   [HYPRPINHeadlessController.sharedInstance setVerificationViewController:anInvisiblePINViewController];
}

NSString *pinToSubmit = <Get PIN from somewhere>;
[HYPRUserAgent setParentViewController:self];

// This will present the invisible PIN screen assuming the action id has the headless PIN
[[HYPRUserAgent sharedInstance] registerUserWithName:nil action:<policy with the headless PIN authenticator> completion:^(NSError * _Nullable error) {
   // Handle error          
}];

[HYPRPINHeadlessController.sharedInstance submitPIN:self.pinTextField.text onPinSubmitted:^(BOOL success, int numberOfRetriesLeft) {
        if(success) {
           // Handle success
        }    
        else {
           // Handle failure (You'll most likely want to cancel the operation as the user won't be able to enter the PIN again in the invisible PIN view controller)
          [HYPRPINHeadlessController.sharedInstance cancel];
        }
}];