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- Aplicación en segundo plano: Caso concreto de Android 10
CheckUserIDentity (Function) Checks the identity of the current user using biometric authentication. If the authentication is available, a message asks the user to log in. Then, the WLanguage authentication procedure is called. Attention: This function only verifies the user's identity via the data stored on their cell phone.. It is not possible to capture the user's fingerprint. Remarks:    This function is available from iOS version 8.0. The project must be compiled with Xcode 6 (or later). This function is using: - the "Touch ID" feature of iPhones 5S and later versions.
- the "Facial recognition" feature of iPhone X.
 This feature is available from Android 6.0 (api level 23).
CheckUserIdentity("Check the identity for unlocking", Authentication)
INTERNAL PROCEDURE Authentication(nStatus is int, sErrorMessage is string)
SWITCH nStatus
CASE cuiAuthenticated
CASE cuiAuthenticationFailure
Error("Authentication failed: " + sMessageError)
CheckUserIdentity("Check the identity for unlocking", Authentication)
CASE cuiCustomAuthentication,cuiAuthenticationUnavailable
pwd is string
SWITCH Input("Enter password: ", mdp)
CASE 1:
IF pwd ="1234" THEN
ELSE
Error("Incorrect password")
CheckUserIdentity("Check the identity for unlocking", Authentication)
END
CASE 0:
Close()
END
END
END
Sintaxis
CheckUserIDentity(<Message> , <WLanguage procedure> [, <Button caption>])
<Message>: Character string Message that will be displayed to the user.
<WLanguage procedure>: Procedure name Name of the WLanguage procedure ("callback") called once the user authentication is complete. This procedure has the following format:
PROCEDURE <Procedure name> (<Status>, <Error message>) where: - is an integer constant indicating the authentication status:
| | | cuiAuthenticated | The user was properly authenticated. | | cuiAuthenticationFailure | The authentication failed. | | cuiAuthenticationUnavailable | The authentication feature is not available or it was disabled by the user. | | cuiCustomAuthentication | The user has asked to authenticate using a password: the application will have to manage this authentication manually. |
- is a character string containing the system error message if the authentication fails (cuiAuthenticationFailure constant). Otherwise, this parameter corresponds to an empty string.
<Button caption>: Optional character string Default caption of authentication button (displayed on the button for typing the password). This button is used to connect without checking the biometrics. This button is displayed as soon as the first failure occurs. Componente: wd300android.aar |
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