Google Firebase在Android应用中注销并忘记用户 [英] Google Firebase sign out and forget user in Android app

问题描述

当我调用 mFirebaseAuth.signOut（）; 或 mFirebaseUser.delete（）; my FirebaseAuth.AuthStateListener（）正常工作并返回 null 作为 FirebaseUser 实例在 onAuthStateChanged 中，我刷新UI并显示使用Google登录按钮。



但是当我想再次登录时，我看不到用户弹出窗口（我的设备上有两个用户，附加了图片）。应用程序仅在首次登录时显示此弹出窗口，之后它将使用同一用户。如果我在设置屏幕上清除应用程序的数据，我将能够再次看到这个弹出窗口。

我的问题是如何在每次退出后显示弹出窗口。

更新：
我按下Sign In按钮时运行这段代码：

  GoogleSignInOptions gso = new GoogleSignInOptions.Builder（GoogleSignInOptions.DEFAULT_SIGN_IN ）
 .requestIdToken（getString（R.string.default_web_client_id））
 .requestEmail（）
 .build（）; 
 mGoogleApiClient = new GoogleApiClient.Builder（this）
 .enableAutoManage（this / * FragmentActivity * /，this / * OnConnectionFailedListener * /）
 .addApi（Auth.GOOGLE_SIGN_IN_API，gso）
 .build（）; 
 
意图signInIntent = Auth.GoogleSignInApi.getSignInIntent（mGoogleApiClient）; 
 startActivityForResult（signInIntent，FirebaseActivity.REQUEST_SIGN_IN）; 
  

在 onActivityResult（） GoogleSignInResult 所以我调用 startActivityForResult（）

解决方案

在 Firebase Auth快速入门示例代码，Google提供商的注销包括这些步骤。您是否在退出时调用 Auth.GoogleSignInApi.signOut（）？

  private void signOut（）{
 // Firebase注销
 mAuth.signOut（）; 
 
 // Google退出
 Auth.GoogleSignInApi.signOut（mGoogleApiClient）.setResultCallback（
 new ResultCallback< Status>（）{
 @Override 
 public void onResult（@NonNull Status status）{
 updateUI（null）; 
} 
}）; 
} 
  

I have faced with the next problem:

when I call mFirebaseAuth.signOut(); or mFirebaseUser.delete(); my FirebaseAuth.AuthStateListener() works correct and returns null as FirebaseUser instance in onAuthStateChanged, i refresh UI and show "Sign in with Google" button.

But when I want to log in again, I don't see the pop-up with users (i have 2 users on my device, attached the image). The app shows this pop-up only in first sign in, after that it uses the same user. If i clear app's data on the settings screen I will be able to see this pop-up again.

My question is how to show this pop-up after every sign out.

UPDATE: I run this code when press Sign In button:

GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
                .requestIdToken(getString(R.string.default_web_client_id))
                .requestEmail()
                .build();
mGoogleApiClient = new GoogleApiClient.Builder(this)
                .enableAutoManage(this /* FragmentActivity */, this /* OnConnectionFailedListener */)
                .addApi(Auth.GOOGLE_SIGN_IN_API, gso)
                .build();

Intent signInIntent = Auth.GoogleSignInApi.getSignInIntent(mGoogleApiClient);
            startActivityForResult(signInIntent, FirebaseActivity.REQUEST_SIGN_IN);

in onActivityResult() i gen an instance of GoogleSignInResult so everything i need happens after i call startActivityForResult()

解决方案

In the Firebase Auth Quickstart sample code, the sign-out for Google provider includes these steps. Are you calling Auth.GoogleSignInApi.signOut() when you sign-out?

private void signOut() {
    // Firebase sign out
    mAuth.signOut();

    // Google sign out
    Auth.GoogleSignInApi.signOut(mGoogleApiClient).setResultCallback(
            new ResultCallback<Status>() {
                @Override
                public void onResult(@NonNull Status status) {
                    updateUI(null);
                }
            });
}

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