如何使用谷歌+ API来获取朋友的电子邮件？ [英] How to get Email of friend using google+ api?

问题描述

林创建一个应用程序在Google+中登录并得到朋友的电子邮件。
林成功地进行身份验证并获得令牌回来，但是当我获取好友列表，用户类的任何一个朋友有电子邮件= NULL ...

Im creating an application to login in Google+ and get friends emails. Im authenticating succesfully and get token back , but when i fetch friends list , the user class of any single friends has emails=null...

在这里代码（后已签署，并获得认证类）：

here is the code (After already signed in and get authenticator class):

// Generated libraries for Google APIs
using Google.Apis.Authentication.OAuth2;
using Google.Apis.Authentication.OAuth2.DotNetOpenAuth;
using Google.Apis.Services;
using Google.Apis.Util;
using Google.Apis.Plus.v1;
using Google.Apis.Plus.v1.Data;
// For OAuth2
using DotNetOpenAuth.Messaging;
using DotNetOpenAuth.OAuth2;

//....code for authentication skipped ....


//...callback from json (authentication success)

PlusService ps = new PlusService(new BaseClientService.Initializer()
{
  Authenticator = authenticator
});

PeopleFeed peopleFeed = ps.People.List("me", PeopleResource.CollectionEnum.Visible).Fetch();

//After that when i inspect peopleFeed[0].Emails <--- this is null..

任何帮助吗？

推荐答案

借助Google+ API，只返回公共信息。所以，即使您被允许看到一个人的电子邮件地址，这并不一定意味着信息是公开的，它会被退回。

The Google+ API only returns public information. So even if you are permitted to see a person's email address, it does not necessarily mean that the information is public and that it will be returned.

此外，在文档 https://developers.google.com/+/api/latest/people /列表只能保证人们的列表中返回将包含人的

Furthermore, the documentation at https://developers.google.com/+/api/latest/people/list only guarantees that the list of people returned will contain the person's

• 标识


• 显示名


• 图片


• 网址

• id
• displayName
• image
• url

并获得关于该人的其他信息，你需要做一个 people.get 针对该ID。但是，再一次请注意，如果这些信息是不公开的，你可能仍然无法获得他们的电子邮件。

and that to get other information about the person, you will need to do a people.get against that ID. But, again, note that you may still not get their email if that information isn't public.

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