我首先尝试的内容:

我想通过此错误ApiException:12500很长时间.我尝试了一切:

What I tried first :

I want through this error ApiException: 12500 for a long time. I tried everthing :

• 删除我的debugkeystore，重新创建一个
• 在Firebase控制台上添加支持电子邮件
• 更改插件的版本
• 在我的设备上更新google

但是当我浏览***时，我找到了一个解决方案:

But when I was browsing ***, I found a solution :

我转到了此页面( https://console.developers.google.com/apis /凭据) 不要忘记在列表中选择您的项目(左上方).然后进入"Oauth同意屏幕"

I went to this page (https://console.developers.google.com/apis/credentials) Do not forget to select your project on the list (top left). Then go on "Oauth consent screen"

我几乎填写了所有字段:应用程序徽标，电子邮件支持，应用程序主页链接，应用程序隐私策略链接(以及project.firebaseapp.com)；并且我保存了.

I filled almost all the fields : the application logo, the email support, the application homepage link, application privacy policy link (with the project.firebaseapp.com); and I saved.

现在可以使用了，我可以登录.

Now it's working, I can login.

希望这会有所帮助

感谢Pranjal Gupta的回答: Google登录错误12500

Thanks to answer of Pranjal Gupta : Google Sign In error 12500