在Android Firebase身份验证退出后如何强制Google帐户选择器 [英] How to force google account chooser after sign out in android firebase auth

问题描述

我正在使用Firebase Google Auth，注销并再次登录将使用上次登录的帐户登录.我怎样才能每次都选择帐户?

I am using Firebase Google Auth, signing out and logging in again will log in with last signed account. How can I make account chooser every time?

推荐答案

Firebase Auth

Firebase Auth Quickstart sample code provides the following few steps for sign out

全局声明这两个变量

private GoogleSignInClient mGoogleSignInClient;
private GoogleSignInOptions gso;

在onCreate方法中添加这些行

Add these lines in onCreate method

gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
                .requestIdToken(getString(R.string.default_web_client_id))
                .requestEmail()
                .build();
mGoogleSignInClient = GoogleSignIn.getClient(this, gso);

现在可以退出

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

        // Google sign out
        mGoogleSignInClient.signOut().addOnCompleteListener(this,
                new OnCompleteListener<Void>() {
                    @Override
                    public void onComplete(@NonNull Task<Void> task) {
                        updateUI(null);
                    }
                });
    }

这很容易，并且会起作用.干杯！

It's easy, and it will work. Cheers!

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