如何在Firebase中获得与当前用户的关联帐户 [英] How to get linked account with current user in firebase

问题描述

我正在尝试将我的Firebase帐户链接到我的Google帐户和Facebook帐户，直到这里一切正常为止.这是我如何链接帐户的代码.

I am trying to link my firebase account to my google account and facebook account, and till here everything is working fine.here is my code how I am linking accounts.

mAuth.getCurrentUser().linkWithCredential(credential)
    .addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
        @Override
        public void onComplete(@NonNull Task<AuthResult> task) {
            if (task.isSuccessful()) {
                Log.d(TAG, "linkWithCredential:success");
                FirebaseUser user = task.getResult().getUser();
                updateUI(user);
            } else {
                Log.w(TAG, "linkWithCredential:failure", task.getException());
                Toast.makeText(AnonymousAuthActivity.this, "Authentication failed.",
                        Toast.LENGTH_SHORT).show();

            }


        }
    });

现在，我想获取，是我当前的帐户已链接到facebook还是google.是否可以获取此信息，还是应该将这些信息保存到数据库中?

推荐答案

现在我想获得我的当前帐户是否已链接到facebook或google?

Now I want to get, is my current account is linked to facebook or google?

您可以检查提供商ID，以查看用户是否已通过Google或Facebook登录，如下所示:

You can check the provider id to see if the user is signed in with Google or Facebook like this:

FirebaseUser firebaseUser = FirebaseAuth.getInstance().getCurrentUser();
if (firebaseUser != null) {
    for (UserInfo userInfo : firebaseUser.getProviderData()) {
        if (userInfo.getProviderId().equals("google.com")) {
            Log.d(TAG, "User is signed in with Google");
        } else if(userInfo.getProviderId().equals("facebook.com")) {
            Log.d(TAG, "User is signed in with Facebook");
        }
    }
}

您还可以使用以下代码:

You can also use the following code:

List<? extends UserInfo> infos = user.getProviderData();
for (UserInfo ui : infos) {
    if (ui.getProviderId().equals(GoogleAuthProvider.PROVIDER_ID)) {
        Log.d(TAG, ui.getProviderId());
    }
}

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