Switching Facebook accounts on Firebase

I'm currently working on an Angular2 App that utilizes Firebase as its User system, with authentication providers including Email + Password, Facebook, and Google.

One issue I have encountered is that when logging in with Facebook, I am unable to switch accounts. Even after logging out and selecting 'Login with Facebook' again, the app still uses the previous user account.

For the GoogleAuthProvider, I found a solution to manage account changes by using the following code:

const googleAuthProvider = new firebase.auth.GoogleAuthProvider();
googleAuthProvider.setCustomParameters({prompt: 'select_account'});

However, I have not been able to find a similar option for Facebook since the API is different and there is no documentation on how to achieve this.

Has anyone else faced this same challenge?

angulartypescriptfirebase-authenticationfacebook-login

Answer №1

When signing out of Firebase, it's important to note that the user will not be automatically signed out of Facebook as well. To ensure they are fully logged out, you must include a specific call for logging them out of Facebook.

LoginManager.getInstance().logOut()

To learn more about this process, check out this Stack Overflow post and visit the Facebook Developer documentation on LoginManager.

Answer №2

Unlike Twitter, Instagram doesn't offer the option to link multiple accounts for easy access. The closest feature they have is verify_email which requires users to confirm their email address before logging in. This does provide an added layer of security when accessing Instagram accounts.

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