问C#应用程序-阅读Google联系人

EN

 using Google.Apis.Auth.OAuth2;
using Google.Apis.Util.Store;
using Google.Contacts;
using Google.GData.Client;
using System;
using System.Threading;

public static void auth()
{

    string clientId = "xxxxxx.apps.googleusercontent.com";
    string clientSecret = "xxxxx";


    string[] scopes = new string[] { "https://www.googleapis.com/auth/contacts.readonly" };     // view your basic profile info.
    try
    {
        // Use the current Google .net client library to get the Oauth2 stuff.
        UserCredential credential = GoogleWebAuthorizationBroker.AuthorizeAsync(new ClientSecrets { ClientId = clientId, ClientSecret = clientSecret }
                                                                                     , scopes
                                                                                     , "test"
                                                                                     , CancellationToken.None
                                                                                     , new FileDataStore("test")).Result;

        // Translate the Oauth permissions to something the old client libray can read
        OAuth2Parameters parameters = new OAuth2Parameters();
        parameters.AccessToken = credential.Token.AccessToken;
        parameters.RefreshToken = credential.Token.RefreshToken;
        RunContactsSample(parameters);
        Console.ReadLine();
    }
    catch (Exception ex)
    {

        Console.ReadLine();

    }
    Console.ReadLine();


}

/// <summary> 
/// Send authorized queries to a Request-based library 
/// </summary> 
/// <param name="service"></param> 
private static void RunContactsSample(OAuth2Parameters parameters)
{
    try
    {
        RequestSettings settings = new RequestSettings("Google contacts tutorial", parameters);
        ContactsRequest cr = new ContactsRequest(settings);
        Feed<Contact> f = cr.GetContacts();
        foreach (Contact c in f.Entries)
        {
            Console.WriteLine(c.Name.FullName);
        }
    }
    catch (Exception a)
    {
        Console.WriteLine("A Google Apps error occurred.");
        Console.WriteLine();
    }
}