如何在Firebase中与当前用户建立关联帐户

时间:2018-09-17 07:18:40

标签: android firebase firebase-authentication

我正在尝试将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。

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?

1 个答案:

答案 0 :(得分:2)

  

现在我想获得我的当前帐户是否已链接到facebook或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:

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:

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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