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foreign this video shows how to implement email and password authentication for an Android app we use App Inventor 2 for realization and Google Sheets for user memorization to add user use this form now letamp;#39;s try to enter an email that already exists the program does not add an existing email to the Google sheet to switch to the login interface the user must click on this button he uses his email and password to log into the Android application if the user enters an email that does not exist in the database or an incorrect password then the program indicates his fault via a notification if the data is correct then the user can access his profile to begin with create these three interfaces the first interface allows the user to register it contains a first vertical Arrangement where you place two labels to indicate the title of the interface in a second vertical Arrangement use three text boxes allowing the user to enter their name email and phone number for the password use the
