Edad Validator vVARY

This application is used to read the data of a DNIe through the NFC sensor of the Smartphone and with it verify the age in order to deactivate the control of minors in tobacco machines that have the Telmark payment device installed.
Operative:
To start the purchase in the vending machine, the user scans a QR code with the native Android application. The order to open this application for reading the NFC tag of the DNIe and a serial number that identifies the vending machine is obtained from the QR code.
When the application is opened for the first time, some texts of general terms and conditions appear, which must be accepted for the first time in order to use the application. This message will not appear again. Then the home screen opens.
On this home screen, there is an explanation of the operation of reading the DNIe through the NFC of the mobile. There is also a text input to enter the CAN number. Parameter that is mandatory to be able to unlock the NFC reading. The DNI CAN (Card Access Number) code is a 6-digit numeric code that allows the DNI 3.0 reader to access the information contained through an NFC reader. Once this parameter has been written, the read DNI button is pressed.
Now we enter the second screen where a text appears indicating that the DNI is being read. When the reading is finished, the ID number and date of birth will be displayed on the screen.
The user's age is verified by clicking on the Send Data button that appears at the bottom of the screen.
The information is sent to a website that verifies the age and activates the vending machine if the data verifies that it is a person of legal age.