【发布时间】：2014-07-31 23:47:52
【问题描述】：
首先我遇到了这个问题： Using Office 365 API in Xamarin.Android
现在在 Xamarin IOS 中进行相同的测试我得到了另一个 :(
{System.NullReferenceException: Object reference not set to an instance of an object
at Microsoft.Office365.OAuth.Authenticator.GetRefreshToken (System.String resource) [0x00000] in <filename unknown>:0
at Microsoft.Office365.OAuth.Authenticator+<GetAuthenticationResult>d__c.MoveNext () [0x00000] in <filename unknown>:0
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000b] in /Developer/MonoTouch/Source/mono/mcs/class/corlib/System.Runtime.ExceptionServices/ExceptionDispatchInfo.cs:62
at System.Runtime.CompilerServices.TaskAwaiter`1[Microsoft.Office365.OAuth.AuthenticationInfo].GetResult () [0x00034] in /Developer/MonoTouch/Source/mono/mcs/class/corlib/System.Runtime.CompilerServices/TaskAwaiter_T.cs:59
at Microsoft.Office365.OAuth.Authenticator+<AuthenticateAsync>d__6.MoveNext () [0x00000] in <filename unknown>:0
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000b] in /Developer/MonoTouch/Source/mono/mcs/class/corlib/System.Runtime.ExceptionServices/ExceptionDispatchInfo.cs:62
at System.Runtime.CompilerServices.TaskAwaiter`1[Microsoft.Office365.OAuth.AuthenticationInfo].GetResult () [0x00034] in /Developer/MonoTouch/Source/mono/mcs/class/corlib/System.Runtime.CompilerServices/TaskAwaiter_T.cs:59
at Office365InXamarinApps.ViewModel.ContactsViewModel+<EnsureClientCreated>d__9.MoveNext () [0x00046] in c:\DevApps\GitHub\Office365InXamarinApps\scr\Office365InXamarinApps\Office365InXamarinApps\ViewModel\ContactsViewModel.cs:76 }
【问题讨论】：
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请不要在外部网站上发布您的代码。花点时间识别代码的相关部分，并以正确的格式将其内联发布。
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该链接是我正在使用的应用程序，任何 ppl 都可以运行、测试并获取错误...我使用的代码是使用 Office365 API 添加到项目中的，我了解您的点，但我的经验是更容易拥有一个运行示例而不是无法重放错误的简单代码部分......
标签： ios xamarin ms-office office365