Имам проект Xamarin.iOS и наскоро го надстроих плюс моя PCL проект, за да има Windows Azure Mobile Services SDK 1.3.1.
Сега обаче получавам грешка, когато се опитва да създаде нов MobileServiceClient.
{System.NullReferenceException: Object reference not set to an instance an object
at Microsoft.WindowsAzure.MobileServices.MobileServiceHttpClient.GetUserAgentHeader () [0x0002e] in d:\jw\ZumoSDKBuild_Dev\source\sdk\Managed\src\Microsoft.WindowsAzure.MobileServices\Http\MobileServiceHttpClient.cs:683
at Microsoft.WindowsAzure.MobileServices.MobileServiceHttpClient..ctor (IEnumerable`1 handlers, System.Uri applicationUri, System.String installationId, System.String applicationKey) [0x0004e] in d:\jw\ZumoSDKBuild_Dev\source\sdk\Managed\src\Microsoft.WindowsAzure.MobileServices\Http\MobileServiceHttpClient.cs:138
at Microsoft.WindowsAzure.MobileServices.MobileServiceClient..ctor (System.Uri applicationUri, System.String applicationKey, System.Net.Http.HttpMessageHandler[] handlers) [0x00040] in d:\jw\ZumoSDKBuild_Dev\source\sdk\Managed\src\Microsoft.WindowsAzure.MobileServices\MobileServiceClient.cs:199
at Microsoft.WindowsAzure.MobileServices.MobileServiceClient..ctor (System.Uri applicationUri, System.String applicationKey) [0x00000] in d:\jw\ZumoSDKBuild_Dev\source\sdk\Managed\src\Microsoft.WindowsAzure.MobileServices\MobileServiceClient.cs:150
at Microsoft.WindowsAzure.MobileServices.MobileServiceClient..ctor (System.String applicationUrl, System.String applicationKey) [0x00000] in d:\jw\ZumoSDKBuild_Dev\source\sdk\Managed\src\Microsoft.WindowsAzure.MobileServices\MobileServiceClient.cs:135
at MyApp.App..ctor () [0x00009] in c:\Users\adam\Documents\Visual Studio 2013\Projects\MyApp\App.cs:30 }
Разглеждайки изходния код на MobileServiceClient, ето функцията, при която той се проваля
private string GetUserAgentHeader()
678 {
679 AssemblyFileVersionAttribute fileVersionAttribute = typeof(MobileServiceClient).GetTypeInfo().Assembly
680 .GetCustomAttributes(typeof(AssemblyFileVersionAttribute))
681 .Cast<AssemblyFileVersionAttribute>()
682 .FirstOrDefault();
683 string fileVersion = fileVersionAttribute.Version;
684 string sdkVersion = string.Join(".", fileVersion.Split('.').Take(2)); // Get just the major and minor versions
685
686 IPlatformInformation platformInformation = Platform.Instance.PlatformInformation;
687 return string.Format(
688 CultureInfo.InvariantCulture,
689 "ZUMO/{0} (lang={1}; os={2}; os_version={3}; arch={4}; version={5})",
690 sdkVersion,
691 "Managed",
692 platformInformation.OperatingSystemName,
693 platformInformation.OperatingSystemVersion,
694 platformInformation.OperatingSystemArchitecture,
695 fileVersion);
696 }
Нямам представа какво точно причинява грешката. Всяка помощ се оценява.
Актуализация
Ако стартирам следния код, само в моето приложение, преди да опитам да инициализирам MobileServiceClient
AssemblyFileVersionAttribute fileVersionAttribute = typeof(MobileServiceClient).GetTypeInfo().Assembly
.GetCustomAttributes(typeof(AssemblyFileVersionAttribute))
.Cast<AssemblyFileVersionAttribute>()
.FirstOrDefault();
string fileVersion = fileVersionAttribute.Version;
С Don't Link работи перфектно. Ако го стартирам с Link SDK или Link All, тогава асемблирането е равно на null.
Накъде да отида от тук, още не съм сигурен.