title: iOS app freezes after dismiss view in swift
body: <p>My issue is this I have two viewControllers connected with a modal segue like normal A--->B, A has the controls like textFields, switches, buttons and a mapView where I get the userLocation. B hast only a button, and a mapView at the moment, but when I tap the exit button it does successfully dismisses viewController B and shows A only controls are frozen, can't tap anything anymore, I don't know why. Any help?</p>
  
  <p>B code</p>
  
  <pre><code>import UIKit
  import MapKit
  import Parse
  import CoreLocation
  
  class MapaMososViewController: UIViewController, MKMapViewDelegate, CLLocationManagerDelegate {
  
      @IBOutlet weak var mapMozosFollow: MKMapView!
  
      var totlaAutomozo: String!
      var fechaRegistro: String!
  
  
      override func viewDidLoad() {
          super.viewDidLoad()
  
  
          mapMozosFollow.delegate = self
  
          mapMozosFollow.showsUserLocation = true
          mapMozosFollow.showsTraffic = false
          mapMozosFollow.showsScale = false
          print(mapMozosFollow.userLocation.location)
  
  
      }
  
      override func viewDidAppear(_ animated: Bool) {
  
          self.displayError(error: "Exito", message: "Tu pago ha sido procesado, en unos momentos atenderemos tu orden. Total es de $\(totlaAutomozo!) la fecha registrada \(fechaRegistro!)")
  
      }
      override func didReceiveMemoryWarning() {
          super.didReceiveMemoryWarning()
      }
  
  
      override func viewWillDisappear(_ animated: Bool) {
  
      }
      @IBAction func salirTapped(_ sender: UIButton) {
  
  
              self.dismiss(animated: true, completion: {
  
                  print("here dismissing")
              })
  
  
  
      }
  
      func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
  
          print(locations.last!.coordinate)
          centerMapOnLocation(locations.last!)
      }
      let regionRadius: CLLocationDistance = 2000
  
      func centerMapOnLocation(_ location: CLLocation) {
          let coordinateRegion = MKCoordinateRegionMakeWithDistance(location.coordinate,
                                                                    regionRadius * 2.0, regionRadius * 2.0)
          mapMozosFollow.setRegion(coordinateRegion, animated: true)
      }
  
  
  
  }
  </code></pre>
  
  <p>EDIT 1: A ViewController code.</p>
  
  <pre><code>import UIKit
  import Parse
  import MapKit
  import BraintreeDropIn
  import Braintree
  
  class ViewController: UIViewController, PayPalPaymentDelegate, PayPalFuturePaymentDelegate, PayPalProfileSharingDelegate, CLLocationManagerDelegate, UITextFieldDelegate, MKMapViewDelegate, BTDropInViewControllerDelegate {
  
  
      @IBOutlet weak var scrollView: UIScrollView!
  
      @IBOutlet weak var mapaLugar: MKMapView!
      @IBOutlet weak var numeroExteriorTextField: UITextField!
      @IBOutlet weak var telefonoTextField: UITextField!
  
  
      @IBOutlet weak var lavadoSwitch: UISwitch!
      @IBOutlet weak var lavadoYAspiradSwitch: UISwitch!
  
  
      @IBOutlet weak var numeroCarrosTextField: UITextField!
      @IBOutlet weak var numeroMinivanTextField: UITextField!
      @IBOutlet weak var numeroPickUpsTextField: UITextField!
      @IBOutlet weak var numeroVansTextField: UITextField!
  
  
      @IBOutlet weak var numeroAspiradoCarrosTextField: UITextField!
      @IBOutlet weak var numeroAspiradoMinivanTextField: UITextField!
      @IBOutlet weak var numeroAspiradoPickUpsTextField: UITextField!
      @IBOutlet weak var numeroAspiradoVansTextField: UITextField!
  
  
      @IBOutlet weak var botonRealizarPedido: UIButton!
      @IBOutlet weak var botonInstrucciones: UIButton!
  
  
      @IBOutlet weak var totalLabel: UILabel!
  
      var showAlertFirstTime: Bool = true
  
      var locationManager: CLLocationManager = CLLocationManager()
      var ubicacion: CLLocationCoordinate2D!
  
      var environment:String = PayPalEnvironmentSandbox {
          willSet(newEnvironment) {
              if (newEnvironment != environment) {
                  PayPalMobile.preconnect(withEnvironment: newEnvironment)
              }
          }
      }
  
      var braintreeClient: BTAPIClient?
  
      let defaults = UserDefaults.standard
  
      var resultText = "" // empty
      var payPalConfig = PayPalConfiguration() // default
  
      var total: NSDecimalNumber!
  
      var vistaDeMozos: Bool = false
  
  
      var fechaRegistro: String!
      var totalToSend: String!
  
  
      @IBOutlet weak var constrainSizeMap: NSLayoutConstraint!
  
      override func viewDidLoad() {
          super.viewDidLoad()
  
          botonInstrucciones.backgroundColor = UIColor(colorLiteralRed: (200.0/255.0), green: 0.0, blue: 0.0, alpha: 1.0)
          botonInstrucciones.layer.cornerRadius = 3
          botonInstrucciones.layer.borderWidth = 2
          botonInstrucciones.layer.borderColor = UIColor.clear.cgColor
          botonInstrucciones.layer.shadowColor = UIColor(colorLiteralRed: (100.0/255.0), green: 0.0, blue: 0.0, alpha: 1.0).cgColor
          botonInstrucciones.layer.shadowOpacity = 1.0
          botonInstrucciones.layer.shadowRadius = 1.0
          botonInstrucciones.layer.shadowOffset = CGSize(width: 0, height: 3)
  
  
          self.locationManager.requestWhenInUseAuthorization()
          self.locationManager.requestAlwaysAuthorization()
  
          self.locationManager.startUpdatingLocation()
  
          NotificationCenter.default.post(name: Notification.Name(rawValue: "keyPressed"), object: nil)
  
          numeroCarrosTextField.delegate = self
          numeroMinivanTextField.delegate = self
          numeroPickUpsTextField.delegate = self
          numeroVansTextField.delegate = self
  
          numeroAspiradoCarrosTextField.delegate = self
          numeroAspiradoMinivanTextField.delegate = self
          numeroAspiradoPickUpsTextField.delegate = self
          numeroAspiradoVansTextField.delegate = self
  
          do {
  
              if defaults.object(forKey: "clientId") == nil || clientId == "000" {
  
                  let idTest = try PFCloud.callFunction("newCutomer", withParameters: nil)
                  print(idTest)
                  clientId = idTest as! String
                  defaults.set(clientId, forKey: "clientId")
  
              } else {
  
                  print(self.clientId)
              }
  
          } catch let error {
  
              print(error)
          }
  
          if defaults.object(forKey: "clientId") == nil {
  
          } else {
  
              clientId = defaults.string(forKey: "clientId")!
              print(clientId)
          }
  
  
         fetchClientToken()
  
  
          NotificationCenter.default.addObserver(
              self,
              selector: #selector(ViewController.keyboardWillShow(notification:)),
              name: NSNotification.Name.UIKeyboardWillShow,
              object: nil
          )
          NotificationCenter.default.addObserver(
              self,
              selector: #selector(ViewController.keyboardWillHide(notification:)),
              name: NSNotification.Name.UIKeyboardWillHide,
              object: nil
          )
  
          scrollView.keyboardDismissMode = UIScrollViewKeyboardDismissMode.interactive
  
          let touch = UITapGestureRecognizer(target: self, action: #selector(ViewController.singleTapGestureCaptured(gesture:)))
          scrollView.addGestureRecognizer(touch)
  
      }
  
      func singleTapGestureCaptured(gesture: UITapGestureRecognizer){
          self.view.endEditing(true)
      }
  
      override func viewDidAppear(_ animated: Bool) {
          super.viewDidAppear(animated)
  
          if showAlertFirstTime {
  
  
              showAlertFirstTime = false
          } else {
  
          }
        }
  
      override func viewWillAppear(_ animated: Bool) {
          super.viewWillAppear(animated)
          PayPalMobile.preconnect(withEnvironment: environment)
  
          print("stop test")
  
      } 
      @IBAction func realizarPedidoTapped(_ sender: UIButton) {
  
  
          let numeroExterior = numeroExteriorTextField.text!
          let numeroMotosLavado = numeroCarrosTextField.text!
          let numeroDeportivosLavado = numeroMinivanTextField.text!
          let numeroCarroLavado = numeroPickUpsTextField.text!
          let numeroCamionLavado = numeroVansTextField.text!
          let numeroMotoLavadoAspirado = numeroAspiradoCarrosTextField.text!
          let numeroDeportivoLavadoAspirado = numeroAspiradoMinivanTextField.text!
          let numeroCarroLavadoAspirado = numeroAspiradoPickUpsTextField.text!
          let numeroCamionLavadoAspirado = numeroAspiradoVansTextField.text!
          let numeroTelefono = telefonoTextField.text!
  
          if numeroExterior == "" || numeroTelefono == "" {
  
  
              displayError("Error", message: "Te falto llenar tu numero exterior y/o telefono")
  
          } else {
  
              //Braintree init
              self.braintreeClient = BTAPIClient(authorization: clientToken)
  
  
  
          let items = [item1]
          let subtotal = PayPalItem.totalPrice(forItems: items)
  
          //var subtotal = PayPalItem.totalPrice(forItems: items)
          let shipping = NSDecimalNumber(string: "0.00")
          let tax = NSDecimalNumber(string: "0.00")
  
          //details ???
  
          let paymentDetails = PayPalPaymentDetails(subtotal: subtotal, withShipping: shipping, withTax: tax)
  
          self.total = subtotal.adding(shipping).adding(tax)
  
          let payment = PayPalPayment(amount: total, currencyCode: "MXN", shortDescription: "Automozo inc", intent: .sale)
  
          payment.items = items
          payment.paymentDetails = paymentDetails
  
          print("\(payment.localizedAmountForDisplay)")
  
  
          self.showDropIn(clientTokenOrTokenizationKey: clientToken)
  
          if (payment.processable) {
  
              let paymentViewController = PayPalPaymentViewController(payment: payment, configuration: payPalConfig, delegate: self)
  
          }
          else {
  
              print("Payment not processalbe: \(payment.description)")
              print("payment not processable \(payment)")
  
              displayError("Error", message: "Hubo un error al procesar tu pago, por favor intenta de nuevo.")
  
              }
          }
      }
  
      override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
  
          super.prepare(for: segue, sender: sender)
          if segue.identifier == "MapaMozosSegue" {
  
              let mapaMozosVC = segue.destination as! MapaMososViewController
              mapaMozosVC.totlaAutomozo = totalToSend!
              mapaMozosVC.fechaRegistro = fechaRegistro
              locationManager.stopUpdatingLocation()
          }
      }
  
      func textFieldDidEndEditing(_ textField: UITextField) {
  
          textField.resignFirstResponder()
          print("test text field ended")
  
          if textField.text == "" {
  
              textField.text = "0"
          }
  
          var numeroCarrosLavadoVar = numeroCarrosTextField.text!
          var numeroMinivansLavadoVar = numeroMinivanTextField.text!
          var numeroPickUpsLavadoVar = numeroPickUpsTextField.text!
          var numeroVansLavadoVar = numeroVansTextField.text!
  
          var numeroCarrosLavadoAspiradoVar = numeroAspiradoCarrosTextField.text!
          var numeroMinivansLavadoAspiradoVar = numeroAspiradoMinivanTextField.text!
          var numeroPickUpsLavadoAspiradoVar = numeroAspiradoPickUpsTextField.text!
          var numeroVansLavadoAspiradoVar = numeroAspiradoVansTextField.text!
  
          if numeroCarrosLavadoVar == "" {
              numeroCarrosLavadoVar = "0"
              numeroCarrosTextField.text = "0"
          }
          if numeroMinivansLavadoVar == "" {
              numeroMinivansLavadoVar = "0"
              numeroMinivanTextField.text = "0"
  
          }
          if numeroPickUpsLavadoVar == "" {
              numeroPickUpsLavadoVar = "0"
              numeroPickUpsTextField.text = "0"
          }
          if numeroVansLavadoVar == "" {
              numeroVansLavadoVar = "0"
              numeroVansTextField.text = "0"
  
          }
          if numeroCarrosLavadoAspiradoVar == "" {
              numeroCarrosLavadoAspiradoVar = "0"
              numeroAspiradoCarrosTextField.text = "0"
          }
          if numeroMinivansLavadoAspiradoVar == "" {
              numeroMinivansLavadoAspiradoVar = "0"
              numeroMinivanTextField.text = "0"
  
          }
          if numeroPickUpsLavadoAspiradoVar == "" {
              numeroPickUpsLavadoAspiradoVar = "0"
              numeroAspiradoPickUpsTextField.text = "0"
          }
          if numeroVansLavadoAspiradoVar == "" {
              numeroVansLavadoAspiradoVar = "0"
              numeroVansTextField.text = "0"
  
  
          }
  
          let priceOfLavadoCarro = Int(numeroCarrosLavadoVar)! * pricesLavado["LavadoCarro"]!
          let priceOfLavadoMinivan = Int(numeroMinivansLavadoVar)! * pricesLavado["LavadoMinivan"]!
          let priceOfLavadoPickUp = Int(numeroPickUpsLavadoVar)! * pricesLavado["LavadoPickUp"]!
          let priceOfLavadoVan = Int(numeroVansLavadoVar)! * pricesLavado["LavadoVan"]!
  
          //Lavado y Aspirado
  
          let priceOfLavadoYAspiradoCarro = Int(numeroCarrosLavadoAspiradoVar)! * pricesLavadoYAspirado["LavadoYAspiradoCarro"]!
          let priceOfLavadoYAspiradoMinivan = Int(numeroMinivansLavadoAspiradoVar)! * pricesLavadoYAspirado["LavadoYAspiradoMinivan"]!
          let priceOfLavadoYAspiradoPickUp = Int(numeroPickUpsLavadoAspiradoVar)! * pricesLavadoYAspirado["LavadoYAspiradoPickUp"]!
          let priceOfLavadoYAspiradoVan = Int(numeroVansLavadoAspiradoVar)! * pricesLavadoYAspirado["LavadoYAspiradoVan"]!
  
          let totalAutomozo = priceOfLavadoCarro + priceOfLavadoMinivan + priceOfLavadoPickUp + priceOfLavadoVan + priceOfLavadoYAspiradoCarro + priceOfLavadoYAspiradoMinivan + priceOfLavadoYAspiradoPickUp + priceOfLavadoYAspiradoVan
  
          print(totalAutomozo)
  
          totalLabel.text = "\(totalAutomozo).00"
  
          textField.resignFirstResponder()
      }
  
      func textFieldShouldEndEditing(_ textField: UITextField) -&gt; Bool {
  
          if (textField.text?.characters.count)! == 1 {
  
              print("text quota meet")
              textField.resignFirstResponder()
              self.view.endEditing(true)
  
              return true
  
          } else {
  
              textField.text = "0"
          }
  
          return true
      }
  
  
      let regionRadius: CLLocationDistance = 100
  
      func centerMapOnLocation(_ location: CLLocation) {
          let coordinateRegion = MKCoordinateRegionMakeWithDistance(location.coordinate,
                                                                    regionRadius * 2.0, regionRadius * 2.0)
          mapaLugar.setRegion(coordinateRegion, animated: true)
      }
  
      func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
  
          centerMapOnLocation(locations.last!)
          ubicacion = locations.last!.coordinate
  
     }
      // Mark - Braintree methods
  
      func showDropIn(clientTokenOrTokenizationKey: String) {
  
          var value: Bool = false
          var totlaAutomozo = self.totalLabel.text
  
          let dateFormatter = DateFormatter()
          dateFormatter.dateFormat = "MMM dd YYYY HH:mm"
          dateFormatter.timeZone = NSTimeZone.local
  
  
          fechaRegistro = dateFormatter.string(from: Date())
  
          let request =  BTDropInRequest()
          request.amount = "\(total)"
          request.currencyCode = "MXN"
          print(request.description)
          BTUIKAppearance.darkTheme()
          BTUIKAppearance.sharedInstance().activityIndicatorViewStyle = UIActivityIndicatorViewStyle.gray
  //            request.
          let dropIn = BTDropInController(authorization: clientTokenOrTokenizationKey, request: request)
          { (controller, result, error) in
              if (error != nil) {
                  print("ERROR")
              } else if (result?.isCancelled == true) {
                  print("CANCELLED")
              } else if let result = result {
                  // Use the BTDropInResult properties to update your UI
  
  
  
  
                  print(result.paymentOptionType)
                  print("payment method: \(result.paymentMethod?.nonce)")
                  print("ppayment desc \(result.paymentDescription)")
                  print(result.paymentIcon.description)
  
                  value = self.postNonceToServer(paymentMethodNonce: (result.paymentMethod?.nonce)!)
  
  
                  }
                  controller.dismiss(animated: true, completion: nil)
  
  
                  if value {
  
                      self.locationManager.stopUpdatingLocation()
  
                      self.performSegue(withIdentifier: "MapaMozosSegue", sender: self)
  
                      self.vistaDeMozos = true
  
                  } else {
  
                      self.displayError("Alerta", message: "El pedido ha sido cancelado exitosamente.")
  
                      //top row
                      self.numeroCarrosTextField.text = "0"
                      self.numeroMinivanTextField.text = "0"
                      self.numeroPickUpsTextField.text = "0"
                      self.numeroVansTextField.text = "0"
  
                      //bottom row
                      self.numeroAspiradoCarrosTextField.text = "0"
                      self.numeroAspiradoMinivanTextField.text = "0"
                      self.numeroAspiradoPickUpsTextField.text = "0"
                      self.numeroAspiradoVansTextField.text = "0"
  
                      //data
                      self.telefonoTextField.text = ""
                      self.telefonoTextField.text = ""
                  }
              }
              self.present(dropIn!, animated: true, completion: nil)
  
      }
  
      func userDidCancelPayment() {
          self.dismiss(animated: true, completion: nil)
      }
  
      func postNonceToServer(paymentMethodNonce: String) -&gt; Bool {
  
          var val = true
  
          do {
              var response = try PFCloud.callFunction("checkout", withParameters: ["payment_method_nonce":paymentMethodNonce, "amount":"\(total!).00", "customerId": clientId])
              print(response)
  
          } catch let error {
  
              print(error.localizedDescription)
          }
  
          let dateFormatter = DateFormatter()
          dateFormatter.dateFormat = "MMM. dd, YYYY HH:mm"
          dateFormatter.timeZone = NSTimeZone.local
  
          fechaRegistro = dateFormatter.string(from: Date())
  
  
          let usuarioPagado: PFObject = PFObject(className: "Ordenes")
          let location: PFGeoPoint = PFGeoPoint(latitude: ubicacion.latitude, longitude: ubicacion.longitude)
          usuarioPagado["Ubicacion"] = location
          usuarioPagado["NumeroExterior"] = numeroExteriorTextField.text!
          usuarioPagado["NumeroDeTelefono"] = telefonoTextField.text!
          usuarioPagado["LavadoCarro"] = numeroCarrosTextField.text!
          usuarioPagado["LavadoMiniVan"] = numeroMinivanTextField.text!
          usuarioPagado["LavadoPickUp"] = numeroPickUpsTextField.text!
          usuarioPagado["LavadoDeVan"] = numeroVansTextField.text!
          usuarioPagado["LavadoAspiradoCarro"] = numeroAspiradoCarrosTextField.text!
          usuarioPagado["LavadoAspiradoMiniVan"] = numeroAspiradoMinivanTextField.text!
          usuarioPagado["LavadoAspiradoPickUp"] = numeroAspiradoPickUpsTextField.text!
          usuarioPagado["LavadoAspiradoDeVan"] = numeroAspiradoVansTextField.text!
          usuarioPagado["Monto"] = totalLabel.text!
          usuarioPagado["NumeroDeTelefono"] = telefonoTextField.text!
          usuarioPagado["TipoDeCelular"] = "iPhone"
          usuarioPagado["FechaDeOrden"] = fechaRegistro
  
          self.totalToSend = self.totalLabel.text!
  
                  usuarioPagado.saveInBackground() {
                      (success: Bool, error: Error?) -&gt; Void in
  
                      if error == nil {
  
                          //done
                          print("saved object")
                          val = false
  
                      } else {
  
                          //not done
                          print("not saved because \(error?.localizedDescription)")
  
                      }
                  }
  
          numeroCarrosTextField.text = "0"
          numeroMinivanTextField.text = "0"
          numeroPickUpsTextField.text = "0"
          numeroVansTextField.text = "0"
  
          numeroAspiradoCarrosTextField.text = "0"
          numeroAspiradoMinivanTextField.text = "0"
          numeroAspiradoPickUpsTextField.text = "0"
          numeroAspiradoVansTextField.text = "0"
          totalLabel.text = "00.00"
          self.lavadoSwitch.isOn = false
          self.lavadoYAspiradSwitch.isOn = false
  
          self.numeroExteriorTextField.text = ""
          self.telefonoTextField.text = ""
  
          self.numeroCarrosTextField.isHidden = true
          self.numeroMinivanTextField.isHidden = true
          self.numeroPickUpsTextField.isHidden = true
          self.numeroVansTextField.isHidden = true
  
          self.numeroAspiradoCarrosTextField.isHidden = true
          self.numeroAspiradoMinivanTextField.isHidden = true
          self.numeroAspiradoPickUpsTextField.isHidden = true
          self.numeroAspiradoVansTextField.isHidden = true
      return val
  
      }
  
      func drop(inViewControllerDidLoad viewController: BTDropInViewController) {
  
          print("did load view drop")
  
      }
  
      func drop(inViewControllerDidCancel viewController: BTDropInViewController) {
  
          print("did cancel drop payment")
  
      }
  
      func drop(inViewControllerWillComplete viewController: BTDropInViewController) {
  
          print("drop will complete payment")
  
      }
  
      func drop(_ viewController: BTDropInViewController, didSucceedWithTokenization paymentMethodNonce: BTPaymentMethodNonce) {
  
          var totlaAutomozo = totalLabel.text
  
          let dateFormatter = DateFormatter()
          dateFormatter.dateFormat = "MMM dd YYYY HH:mm"
          dateFormatter.timeZone = NSTimeZone.local
  
  
          fechaRegistro = dateFormatter.string(from: Date())
  
          print("did succeeded with tokenization")
          print(" \(paymentMethodNonce.nonce)")
  
          var value = postNonceToServer(paymentMethodNonce: paymentMethodNonce.nonce)
  
  
  
          self.dismiss(animated: true, completion: nil)
  
  
          if value {
  
              displayError("Exito", message: "Tu pago ha sido procesado, en unos momentos atenderemos tu orden. Total es de $\(totlaAutomozo ?? "00.00") la fecha registrada \(fechaRegistro)")
  
  
          } else {
  
              self.displayError("Error", message: "Hubo un error al guardar tu informacion, ponte en contacto con nosotros.")
          }
  
      }
  
      func fetchClientToken() {
  
          do {
  
              let response = try PFCloud.callFunction("generateToken", withParameters: ["clientId": clientId])
             self.clientToken = response as! String
  
  
  
          } catch let error {
  
              print(error)
          }
      }
  
      func keyboardWillShow(notification:NSNotification){
  
          var userInfo = notification.userInfo!
          var keyboardFrame:CGRect = (userInfo[UIKeyboardFrameBeginUserInfoKey] as! NSValue).cgRectValue
          keyboardFrame = self.view.convert(keyboardFrame, from: nil)
  
          var contentInset:UIEdgeInsets = self.scrollView.contentInset
          contentInset.bottom = keyboardFrame.size.height
          self.scrollView.contentInset = contentInset
      }
  
      func keyboardWillHide(notification:NSNotification){
  
          let contentInset:UIEdgeInsets = UIEdgeInsets.zero
          self.scrollView.contentInset = contentInset
      }
  
      func scrollViewDidScroll(_ scrollView: UIScrollView) {
          self.view.endEditing(true)
  
      }
  
      func showFullMap() {
  
  
          if vistaDeMozos {
  
              self.telefonoTextField.isHidden = true
              self.botonRealizarPedido.isHidden = true
              self.lavadoSwitch.isHidden = true
              self.lavadoYAspiradSwitch.isHidden = true
              self.botonRealizarPedido.isHidden = true
  
              self.numeroExteriorTextField.isHidden = true
  
              self.numeroCarrosTextField.isHidden = true
              self.numeroMinivanTextField.isHidden = true
              self.numeroPickUpsTextField.isHidden = true
              self.numeroVansTextField.isHidden = true
  
  
              self.numeroAspiradoCarrosTextField.isHidden = true
              self.numeroAspiradoMinivanTextField.isHidden = true
              self.numeroAspiradoPickUpsTextField.isHidden = true
              self.numeroAspiradoVansTextField.isHidden = true
  
              self.view.layoutSubviews()
          } else {
  
  
          }
      }
  }
  </code></pre>