Firebase Google 登录身份验证在 Unity 游戏中不起作用，并且 Google 登录用户未显示在 Firebase 实时数据库中

Question

Firebase Google 登录身份验证在我的 Unity 游戏中不起作用，并且 Google 登录用户未显示在 Firebase 实时数据库中。单击 Google 登录按钮时，将调用 SignInWithGoogle() 方法，并在屏幕上的 infoText 位置显示“Calling SignIn”文本。但是，实际的 Google 登录并未发生，并且用户在 Firebase 控制台上不可见。尽管阅读了文档并确保我使用了正确的 Web 客户端 ID，但我似乎无法解决此问题。另外，我已经在 Firebase 的身份验证部分启用了 Google。请帮帮我。

下面是我的代码：

using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using Firebase;
using Firebase.Auth;
using Google;
using UnityEngine;
using UnityEngine.UI;

public class GoogleSignInDemo : MonoBehaviour
{
    public Text infoText;
    public string webClientId = "aaaaaakaakaksjaaa.apps.googleusercontent.com";

    private FirebaseAuth auth;
    private GoogleSignInConfiguration configuration;

    public GameObject googleSignInButton, anonymousSignInButton;
    public GameObject logoutButton;

    private void Awake()
    {
        configuration = new GoogleSignInConfiguration { WebClientId = webClientId, RequestEmail = true, RequestIdToken = true };
        CheckFirebaseDependencies();
        CheckSignInStatus(); // Check sign-in status on awake
    }

    private void CheckSignInStatus()
    {
        if (auth.CurrentUser != null)
        {
            // User is already signed in
            googleSignInButton.SetActive(false);
            anonymousSignInButton.SetActive(false);
            logoutButton.SetActive(true);
            LoadGemsCountForCurrentUser();
        }
        else
        {
            // User is not signed in
            googleSignInButton.SetActive(true);
            anonymousSignInButton.SetActive(true);
            logoutButton.SetActive(false);
        }
    }

    private void LoadGemsCountForCurrentUser()
    {
        if (auth.CurrentUser != null)
        {
            // Load gems count for the current user from the cloud
            DiamondManager.instance.LoadGemsCountFromCloud();
        }
    }

    private void CheckFirebaseDependencies()
    {
        FirebaseApp.CheckAndFixDependenciesAsync().ContinueWith(task =>
        {
            if (task.IsCompleted)
            {
                if (task.Result == DependencyStatus.Available)
                    auth = FirebaseAuth.DefaultInstance;
                else
                    AddToInformation("Could not resolve all Firebase dependencies: " + task.Result.ToString());
            }
            else
            {
                AddToInformation("Dependency check was not completed. Error : " + task.Exception.Message);
            }
        });
    }

    public void SignInWithGoogle()
    {
        OnSignIn();
    }

    public void SignOutFromGoogle()
    {
        OnSignOut();
    }

    public void OnSignIn()
    {
        GoogleSignIn.Configuration = configuration;
        GoogleSignIn.Configuration.UseGameSignIn = false;
        GoogleSignIn.Configuration.RequestIdToken = true;
        AddToInformation("Calling SignIn");

        GoogleSignIn.DefaultInstance.SignIn().ContinueWith(OnAuthenticationFinished);
    }

    private void OnSignOut()
    {
        AddToInformation("Calling SignOut");
        GoogleSignIn.DefaultInstance.SignOut();

        auth.SignOut();

        googleSignInButton.SetActive(true);
        anonymousSignInButton.SetActive(true);
    }

    //handle the logout process for both Google and anonymous sign-ins
    public void SignOut()
    {
        if (GoogleSignIn.DefaultInstance != null)
        {
            GoogleSignIn.DefaultInstance.SignOut();
        }
        if (auth.CurrentUser != null)
        {
            auth.SignOut();
        }
        CheckSignInStatus(); // Update UI after sign-out
    }



    internal void OnAuthenticationFinished(Task<GoogleSignInUser> task)
    {
        if (task.IsFaulted)
        {
            using (IEnumerator<Exception> enumerator = task.Exception.InnerExceptions.GetEnumerator())
            {
                if (enumerator.MoveNext())
                {
                    GoogleSignIn.SignInException error = (GoogleSignIn.SignInException)enumerator.Current;
                    AddToInformation("Got Error: " + error.Message);
                    Debug.Log(error);
                }
                else
                {
                    AddToInformation("Got Unexpected Exception?!?" + task.Exception);
                }
            }
        }
        else if (task.IsCanceled)
        {
            AddToInformation("Canceled");
        }
        else
        {
            googleSignInButton.SetActive(false);
            anonymousSignInButton.SetActive(false);
            AddToInformation("Welcome: " + task.Result.DisplayName + "!");
            AddToInformation("Email = " + task.Result.Email);
            AddToInformation("Google ID Token = " + task.Result.IdToken);
            AddToInformation("Email = " + task.Result.Email);
            SignInWithGoogleOnFirebase(task.Result.IdToken);
        }
    }

    private async Task SignInWithGoogleOnFirebase(string idToken)
    {
        if (string.IsNullOrEmpty(idToken))
        {
            AddToInformation("Google ID Token is null or empty.");
            return;
        }

        Credential credential = GoogleAuthProvider.GetCredential(idToken, null);

        await auth.SignInWithCredentialAsync(credential).ContinueWith(HandleLoginResult);

        await DiamondManager.instance.LoadGemsCountFromCloud();

    }

    private async void HandleLoginResult(Task<FirebaseUser> task)
    {
        if (task.IsCanceled)
        {
            Debug.LogError("SignInWithCredentialAsync was canceled.");
            return;
        }
        if (task.IsFaulted)
        {
            Debug.LogError("SignInWithCredentialAsync encountered an error: " + task.Exception.InnerException.Message);
            return;
        }

        FirebaseUser newUser = task.Result;
        Debug.Log($"User signed in successfully: {newUser.DisplayName} ({newUser.UserId})");
    }


    private List<string> messages = new List<string>();

    void AddToInformation(string text)
    {
        if (messages.Count == 5)
        {
            messages.RemoveAt(0);
        }
        messages.Add(text);
        string txt = "";
        foreach (string s in messages)
        {
            txt += "\n" + s;
        }
        infoText.text = txt;
    }


}

我需要 Google 登录才能工作，并且用户需要在 Firebase 控制台中显示。

Answer 1

尝试更改具有任务的方法

ContinueWith

到

ContinueWithOnMainThread

您还应该移动“CheckSignInStatus();”进入“CheckFirebaseDependency”方法，以便它有机会在调用它之前完成。 Unity 中的 Firebase 有点棘手，您必须确保在主线程上运行。 抱歉，我没有 Unity Firebase 项目可供测试，但希望这会有所帮助。祝你好运:)