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Authentication

This section covers the following:

How do I create an alert if a user's email address or passwords are invalid?

You don't need to take care of these alert dialogs. FlutterFlow automatically shows the error messages generated in a SnackBar widget.

I get this error: The operation couldn’t be completed. Unable to locate a Java Runtime. Please visit http://www.java.com for information on installing Java.

You will need to install Java Runtime on your machine. Please visit http://www.java.com and download Java based on your OS.

Can I use an API for authentication?

At this time, authentication via an API is not supported. For more details on how to use Firebase authentication, please see these instructions.

How to generate SHA certificates in FlutterFlow?

Using the Automatic Firebase Setup feature FlutterFlow automatically generates the required SHA certificates and stores them under the project's app settings in Firebase.
If you want to manually generate and replace SHA certificates then here are the instructions on how to do this.

Google Sign-In is not working in Run Mode

Google Sign-In can not be tested in Run Mode. Instead, you will need to test Google authentication on a real device/emulator.
You can use these instructions to test Google Sign-In