[Solved] Undefined class ‘FirebaseUser’

Hello Guys How are you all? Hope You all are fine. When I was trying to run my flutter app and suddenly I get the following error in my stack track. Undefined class ‘FirebaseUser’ in a flutter. So today Here I come with all possible solutions for this error.

We are providing you all possible solutions to solve this error. let’s start this article without wasting your time.

How Undefined class ‘FirebaseUser’ Error Occurs ?

I have an Issue with Firebase Auth/ Google Auth The FirebaseUser is not defined Code. And it give me following error.

Undefined class 'FirebaseUser'

How to Solve Undefined class ‘FirebaseUser’ Error?

Solution 1

In the newest version of firebase_auth, the class FirebaseUser was changed to User, and the class AuthResult was changed to UserCredential. Therefore change your code to the following.

FirebaseUser changed to User

AuthResult changed to UserCredential

GoogleAuthProvider.getCredential() changed to GoogleAuthProvider.credential()

Solution 2

after the new update of package firebase_auth, the class FirebaseUser was changed to User, and the class AuthResult was changed to UserCredentail. Therefore change FirebaseUser to User

Solution 3

Just After firebase_auth 0.18.0, the class FirebaseUser was changed to User

Summery

So, It’s All About This Error. I hope this tutorial helps you to Solve your error. Please Comment Below if You stucks anywhere with my code. And please comment below on which solution worked for you. Thank You.

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