谷歌C＃客户端库得到更新凭证 [英] Google C# client library to get refresh token

问题描述

这是我的previous code与图书馆的帮助。

  UserCredential凭证= GoogleWebAuthorizationBroker.AuthorizeAsync（
                GoogleClientSecrets.Load（流）.Secrets，
                    新的[] {
                    GmailService.Scope.GmailCompose，GmailService.Scope.GmailModify，GmailService.Scope.GmailReadonly
                    }，
                用户，
                CancellationToken.None
                ）;
 

我在ASP.NET MVC应用4用这个。在这个声明中，它挂起浏览器。我试图把日志，也不例外，没有进一步的执行完成。我看着这个的问题，因为它是异步操作，我切换到Visual Studio 2013年。但还是同样的事情。

更新code：

  UserCredential凭证=等待GoogleWebAuthorizationBroker.AuthorizeAsync（
            GoogleClientSecrets.Load（流）.Secrets，
                新的[] {
                GmailService.Scope.GmailCompose，GmailService.Scope.GmailModify，GmailService.Scope.GmailReadonly
                }，
            用户，
            CancellationToken.None
            ）;
 

解决方案

该控制器还必须标有异步和返回任务即。

 公共异步任务＆LT; IHttpActionResult＆GT;得到（字符串标记）{
    //你的code在这里
}
 

This was my previous code with the help of library.

UserCredential credential = GoogleWebAuthorizationBroker.AuthorizeAsync(
                GoogleClientSecrets.Load(stream).Secrets,
                    new[] { 
                    GmailService.Scope.GmailCompose, GmailService.Scope.GmailModify, GmailService.Scope.GmailReadonly
                    },
                "user", 
                CancellationToken.None
                ) ;

I'm using this in ASP.NET MVC 4 application. At this statement, it hangs the browser. I tried putting logs, no exception and no further execution is done. I looked at this question, and since it is asynchronous operation, I switched to Visual Studio 2013. But still the same thing.

Updated code:

UserCredential credential = await GoogleWebAuthorizationBroker.AuthorizeAsync(
            GoogleClientSecrets.Load(stream).Secrets,
                new[] { 
                GmailService.Scope.GmailCompose, GmailService.Scope.GmailModify, GmailService.Scope.GmailReadonly
                },
            "user", 
            CancellationToken.None
            ) ;

解决方案

The controller must also be marked with async and return a Task i.e.

public async Task<IHttpActionResult> get(string token){
    //your code here
}

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