Google登录:无法断开iOS应用的连接 [英] Google SignIn: Unable to disconnect iOS app

问题描述

我已经在我的iOS应用中实现了google SignIn，并且可以首次登录google帐户.但是，当我注销并尝试重新登录时，将显示如下所示的帐户权限"屏幕，显示的是最后一个用户，而不是登录"屏幕.

I have implemented google SignIn in my iOS app and can login to google account for the first time. But when I logout and try to log back in, I get Account Permission screen as shown below with last user instead of SignIn screen.

下面是我使用的代码.

var signIn = GIDSignIn.sharedInstance()
signIn.delegate = self
signIn.uiDelegate = self

以下是退出&的代码断开连接

Below is code to sign out & disconnect

GIDSignIn.sharedInstance().signOut()
GIDSignIn.sharedInstance().disconnect()

断开连接后，我再次尝试使用以下代码登录

After disconnecting, I again try to SignIn using below code

GIDSignIn.sharedInstance().signIn()

退出并登录后如何显示登录屏幕?断开连接吗?

How can I display login screen after Signing out & Disconnecting?

推荐答案

我在此问题上停留了一段时间，然后想出了一个非常hacky的解决方案.

I was stuck on this for a while and I came up with a pretty hacky solution.

GIDSignIn帐户列表似乎使用的是Safari Web View，因此其帐户记录使用的是cookie/本地存储，并且独立于iOS钥匙串(和OAuth令牌).

It seems the GIDSignIn account listing is using a Safari Web View, so its record of the accounts is using cookies/local storage and is independent of the iOS Keychain (and OAuth tokens).

当用户在我的应用程序上单击注销时，我将像这样打开SFSafariViewController:

When a user hits logout on my app I'm opening a SFSafariViewController like so:

import SafariServices

class MyViewController: SFSafariViewControllerDelegate {
...

在按钮操作内(或您要注销用户的位置):

inside your button action (or where you want to log the user out):

let logoutUrl = URL(string: "https://www.google.com/accounts/Logout")!
let logoutViewController = SFSafariViewController.init(url: logoutUrl)
logoutViewController.delegate = self
self.present(logoutViewController, animated: true, completion: nil)

在其中实现didCompleteInitialLoad委托方法并关闭视图控制器，如下所示:

where you implement the didCompleteInitialLoad delegate method and dismiss your view controller like the following:

func safariViewController(_ controller: SFSafariViewController, didCompleteInitialLoad didLoadSuccessfully: Bool) {
    controller.dismiss(animated: false) {
        //Switch view controllers
    }
}

这似乎是我找出的唯一方法.

This seems to be the only way I can figure out.

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