难道Facebook的.NET客户端SDK支持通用的应用程序/应用程序通过AppStudio产生的？ [英] Does the Facebook .NET client SDK support universal apps / apps generated via AppStudio?

问题描述

我创建通过微软的AppStudio一个通用的应用程序。 我试图继美味教程，并称Facebook的身份验证的应用程序（ http://facebooksdk.net/文档/手机/教程/ ）。

I created a universal app via Microsoft's AppStudio. I tried adding Facebook authentication to the app by following the 'Scrumptious tutorial' (http://facebooksdk.net/docs/phone/tutorial/).

当我跑我的手机上的应用程序，我永远不能给Facebook登录页面，因为下面一行：等待App.FacebookSessionClient.LoginAsync（user_about_me，read_stream）;

When I run the app on my phone, I can never get to the facebook login page, because the following line: await App.FacebookSessionClient.LoginAsync("user_about_me,read_stream");

始终会导致以下异常：

System.NotImplementedException：未实现
       在Windows.Security.Authentication.Web.WebAuthenticationBroker.AuthenticateAsync(WebAuthenticationOptions选项​​，乌里requestUri，乌里callbackUri）        在Facebook.Client.FacebookSessionClient.d__24.MoveNext（）

System.NotImplementedException: Not implemented
at Windows.Security.Authentication.Web.WebAuthenticationBroker.AuthenticateAsync(WebAuthenticationOptions options, Uri requestUri, Uri callbackUri) at Facebook.Client.FacebookSessionClient.d__24.MoveNext()

该异常的来源是这样的呼吁在 FacebookSessionClient.cs （ Facebook的客户端软件包的）： VAR的结果=等待WebAuthenticationBroker.AuthenticateAsync（选项，startUri，endUri）;

The source of the exception is this call in the FacebookSessionClient.cs (facebook-client package): var result = await WebAuthenticationBroker.AuthenticateAsync(options, startUri, endUri);

看来，这个功能是不是为手机实现。我仍然不知道它是如何可能的turial，它指的是完全相同的code会的工作。

It seems that this function is not implemented for the phone. I am still wondering how it is possible that the turial, which refers to the exact same code would work.

推荐答案

这不是8.1实现的呢。如果你想在8.1使用Facebook的身份验证，你可以使用下面的方法：

It's not implemented for 8.1 yet. If you want to use Facebook authentication in 8.1 you can use the following approach:

在你的App类：

private const string RedirectUrl = "https://www.facebook.com/connect/login_success.html";
private static readonly IReadOnlyCollection<string> Permissions = new[] { "email", "offline_access" };

protected override void OnActivated(IActivatedEventArgs args)
{
    base.OnActivated(args);
    var continuationActivatedEventArgs = args as IContinuationActivatedEventArgs;
    if (continuationActivatedEventArgs == null)
        return;
    var webAuthenticationResult = ((WebAuthenticationBrokerContinuationEventArgs)continuationActivatedEventArgs).WebAuthenticationResult;
    if (webAuthenticationResult.ResponseStatus == WebAuthenticationStatus.Success)
    {
        var facebookClient = new FacebookClient();
        var result = facebookClient.ParseOAuthCallbackUrl(new Uri(webAuthenticationResult.ResponseData));
        if (!result.IsSuccess)
        {
            // Process unsuccessful authentication
        }
        else
        {
            // Process successful authentication
            var accessToken = result.AccessToken;
        }
    }
}

// Authentication method, this method should be invoked when you click Facebook authentication button
public void AuthenticateAndContinue()
{
    var loginUrl = GetLoginUrl();
    WebAuthenticationBroker.AuthenticateAndContinue(loginUrl, new Uri(RedirectUrl));
}

private Uri GetLoginUrl()
{
    var parameters = new Dictionary<string, object>();
    parameters["client_id"] = "YourFacebookApplicationId";
    parameters["redirect_uri"] = RedirectUrl;
    parameters["response_type"] = "token";
    parameters["display"] = "touch";
    parameters["mobile"] = true;
    parameters["scope"] = String.Join(",", Permissions);

    var facebookClient = new FacebookClient();

    return facebookClient.GetLoginUrl(parameters);
}

我把一切都放在一个地方，只是作为一个例子，这是更好地分离FB身份验证逻辑。 你可以在这里找到这种方法 MSDN的Windows Phone 8.1 Web认证样品

I put everything in one place just for example purposes, it's better to separate fb authentication logic. You can find this approach here MSDN Windows Phone 8.1 Web Authentication samples

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