How to check Face ID is disabled for my app in settings page



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0















enter image description here



How I can check is the Face ID is Enabled/ Disabled in settings page?
I checked in LAContext error type. It return
Code=-6 "User has denied the use of biometry for this app."



But the device do not support biometric authentication also getting same error code. (kLAErrorTouchIDNotAvailable -6)



Is any way to find user enabled/disabled Face ID in settings?










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    0















    enter image description here



    How I can check is the Face ID is Enabled/ Disabled in settings page?
    I checked in LAContext error type. It return
    Code=-6 "User has denied the use of biometry for this app."



    But the device do not support biometric authentication also getting same error code. (kLAErrorTouchIDNotAvailable -6)



    Is any way to find user enabled/disabled Face ID in settings?










    share|improve this question
























      0












      0








      0








      enter image description here



      How I can check is the Face ID is Enabled/ Disabled in settings page?
      I checked in LAContext error type. It return
      Code=-6 "User has denied the use of biometry for this app."



      But the device do not support biometric authentication also getting same error code. (kLAErrorTouchIDNotAvailable -6)



      Is any way to find user enabled/disabled Face ID in settings?










      share|improve this question














      enter image description here



      How I can check is the Face ID is Enabled/ Disabled in settings page?
      I checked in LAContext error type. It return
      Code=-6 "User has denied the use of biometry for this app."



      But the device do not support biometric authentication also getting same error code. (kLAErrorTouchIDNotAvailable -6)



      Is any way to find user enabled/disabled Face ID in settings?







      ios iphone swift xcode face-detection






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Nov 16 '18 at 13:47









      Sharat KannanSharat Kannan

      5717




      5717






















          1 Answer
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          first add a method for your users to enable faceid/Touch ID using local authentication. adding this method will allow users to enable and disable biometric id in settings. you can use a whatever method you'd like, button, segment controller or view and using a prompt you'll ask the users permission to enable biometric id. This code may help:



          let context = LAContext()
          var error: NSError?

          if context.canEvaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, error: &error)
          let reason = "Enable FaceID!"

          context.evaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, localizedReason: reason)
          [unowned self] (success, authenticationError) in

          DispatchQueue.main.async
          if success
          self.unlockSecretMessage()
          else
          // error



          else
          // no biometry






          share|improve this answer























          • Sorry. This is system settings page of iOS , Not my application.

            – Sharat Kannan
            Nov 19 '18 at 4:23











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          1 Answer
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          active

          oldest

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          1 Answer
          1






          active

          oldest

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          oldest

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          active

          oldest

          votes









          0














          first add a method for your users to enable faceid/Touch ID using local authentication. adding this method will allow users to enable and disable biometric id in settings. you can use a whatever method you'd like, button, segment controller or view and using a prompt you'll ask the users permission to enable biometric id. This code may help:



          let context = LAContext()
          var error: NSError?

          if context.canEvaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, error: &error)
          let reason = "Enable FaceID!"

          context.evaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, localizedReason: reason)
          [unowned self] (success, authenticationError) in

          DispatchQueue.main.async
          if success
          self.unlockSecretMessage()
          else
          // error



          else
          // no biometry






          share|improve this answer























          • Sorry. This is system settings page of iOS , Not my application.

            – Sharat Kannan
            Nov 19 '18 at 4:23















          0














          first add a method for your users to enable faceid/Touch ID using local authentication. adding this method will allow users to enable and disable biometric id in settings. you can use a whatever method you'd like, button, segment controller or view and using a prompt you'll ask the users permission to enable biometric id. This code may help:



          let context = LAContext()
          var error: NSError?

          if context.canEvaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, error: &error)
          let reason = "Enable FaceID!"

          context.evaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, localizedReason: reason)
          [unowned self] (success, authenticationError) in

          DispatchQueue.main.async
          if success
          self.unlockSecretMessage()
          else
          // error



          else
          // no biometry






          share|improve this answer























          • Sorry. This is system settings page of iOS , Not my application.

            – Sharat Kannan
            Nov 19 '18 at 4:23













          0












          0








          0







          first add a method for your users to enable faceid/Touch ID using local authentication. adding this method will allow users to enable and disable biometric id in settings. you can use a whatever method you'd like, button, segment controller or view and using a prompt you'll ask the users permission to enable biometric id. This code may help:



          let context = LAContext()
          var error: NSError?

          if context.canEvaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, error: &error)
          let reason = "Enable FaceID!"

          context.evaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, localizedReason: reason)
          [unowned self] (success, authenticationError) in

          DispatchQueue.main.async
          if success
          self.unlockSecretMessage()
          else
          // error



          else
          // no biometry






          share|improve this answer













          first add a method for your users to enable faceid/Touch ID using local authentication. adding this method will allow users to enable and disable biometric id in settings. you can use a whatever method you'd like, button, segment controller or view and using a prompt you'll ask the users permission to enable biometric id. This code may help:



          let context = LAContext()
          var error: NSError?

          if context.canEvaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, error: &error)
          let reason = "Enable FaceID!"

          context.evaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, localizedReason: reason)
          [unowned self] (success, authenticationError) in

          DispatchQueue.main.async
          if success
          self.unlockSecretMessage()
          else
          // error



          else
          // no biometry







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Nov 16 '18 at 19:52









          Tajh McDonaldTajh McDonald

          115




          115












          • Sorry. This is system settings page of iOS , Not my application.

            – Sharat Kannan
            Nov 19 '18 at 4:23

















          • Sorry. This is system settings page of iOS , Not my application.

            – Sharat Kannan
            Nov 19 '18 at 4:23
















          Sorry. This is system settings page of iOS , Not my application.

          – Sharat Kannan
          Nov 19 '18 at 4:23





          Sorry. This is system settings page of iOS , Not my application.

          – Sharat Kannan
          Nov 19 '18 at 4:23



















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