22,476 questions
0
votes
2
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120
views
Is it "expensive" to check if a user exists in Firebase, every call?
I have a Laravel backend that I'm using for my Flutter app on android and iOS. I'm using Firebase for auth, and the token lives for about an hour.
The problem I have right now is that you need to be ...
1
vote
1
answer
92
views
Unresolved reference 'await' and 'user' in Firebase Auth (Kotlin Multiplatform / AndroidMain)
I'm working on a Kotlin Multiplatform (KMP) project and I'm trying to implement a Firebase Authentication DataSource inside androidMain. Even after adding the Firebase dependencies, the compiler ...
-2
votes
0
answers
83
views
How to enable Firebase Authentication and add providers using the CLI [duplicate]
Is it possible to enable Firebase Authentication and add providers like Google, Apple, email auth using CLI?
This is important for agentic workflow. This is the only blocker to agent to completely ...
-3
votes
0
answers
71
views
Flutter Web - Firebase Phone Auth reCAPTCHA Enterprise fails with "invalid-app-credential" error
Firebase Phone Authentication in Flutter Web. reCAPTCHA Enterprise verification fails and falls back to v2, which also fails.
Failed to verify with reCAPTCHA Enterprise. Automatically
triggering the ...
0
votes
1
answer
94
views
How can I configure an Angular application hosted in Firebase to correctly handle the Google auth handler URL?
I have an Angular application hosted in Firebase, and I am currently using Google as a sign-in provider. The actual authentication logic works fine when I use the default Firebase authDomain (https://...
Best practices
0
votes
0
replies
92
views
FIrebase + expo+biometrie auth persistance
I am looking to implement an efficient and secure solution to manage authentication persistence in a mobile application, while also allowing the use of biometrics to simplify user re-authentication.
...
0
votes
0
answers
58
views
FirebaseAuth Error - This app is not authorized to use Firebase Authentication: verify the correct package name, SHA-1, and SHA-256 are configured [duplicate]
I'm Getting The Error Below on Both real Device and Simulator that the app is not authorized to use Firebase Authentication. The correct package name, SHA-1, and SHA-256 are configured in the Firebase ...
1
vote
1
answer
336
views
Flutter Firebase Google Sign-In works locally but fails on Google Play review with “Something went wrong. Please try again.” [closed]
I have a Flutter app that uses Firebase Authentication with Google Sign-In. The app works perfectly on my local device and emulator, but when I submitted it to Google Play Console, the app was ...
2
votes
0
answers
69
views
Expo/React-Native Microsoft Authentication connection to firebase backend
I am trying to use firebase Oauth Microsoft Authentication in my expo-dev-client with react-native. no typescript. I keep on getting issues where there is an unmatched route and a long hash that ...
0
votes
0
answers
101
views
React native crashes after bundling
I recently upgraded a React Native app from expo 49 to 54. The app uses firebase authentication. The app crahes without any error message in the console. It only shows the error on the screen.
Here is ...
1
vote
1
answer
139
views
FIREBASE_CONFIG vs. GOOGLE_APPLICATION_CONFIG
I am working on setting up Firebase and Authentication using the Admin SDK library. Initially I set the FIREBASE_CONFIG env variable and resulted in
Error getting Auth client: google: could not find ...
0
votes
1
answer
101
views
Operation is not allowed - firebase phone verification code
I'm trying to build a phone number OTP verification system using Firebase and Android Studio using Java.
I've set up the things in Firebase, the SHA-1 and SHA-256, and the phone sign-in method is ...
0
votes
0
answers
99
views
Flutter Firebase Realtime Database .once() hangs on cold start after signInAnonymously()
I have a Flutter application which uses Firebase anonymous auth and Realtime Database.
On app startup, it should automatically log in, check some settings (working hours) and navigate to the next ...
0
votes
1
answer
98
views
Getting 405 Error when Login button is clicked
I'm creating a Login page for my Chocolate Shop Personal project but I'm trying to get it working with Firebase in which I've connected it to. However, I should be getting either an error logging in ...
0
votes
1
answer
68
views
How to avoid "zombie" Firebase anonymous users when linking Sign in with Apple?
I was wondering what would be a solid flow to prevent multiple Firebase anonymous users from being created on a single device.
We currently use the following API to create an anonymous user:
Auth.auth(...