有谁知道Microsoft OData客户端是否以及如何在Xamarin Droid上运行？
它是NuGet包’Microsoft.OData.Client’.
它在Console应用程序上运行良好,即使汇编程序包仅包含在PCL项目中也是如此.
在Xamarin上运行时,这就是我得到的：
System.AggregateException: One or more errors occured 08-28 17:12:35.621 I/MonoDroid(29197): UNHANDLED EXCEPTION: System.AggregateException: One or more errors occured ---> Microsoft.OData.Client.DataServiceQueryException: An error occurred while processing this request. ---> system.invalidOperationException: An error occurred while processing this request. ---> system.invalidCastException: Cannot cast from source type to destination type. 08-28 17:12:35.621 I/MonoDroid(29197): at Microsoft.OData.Client.QueryResult.AsyncEndRead (System.Threading.Tasks.Task task,System.Object asyncState) [0x00000] in <filename unkNown>:0 08-28 17:12:35.621 I/MonoDroid(29197): --- End of inner exception stack trace --- 08-28 17:12:35.621 I/MonoDroid(29197): at Microsoft.OData.Client.BaseAsyncResult.EndExecute[QueryResult] (System.Object source,System.String method,IAsyncResult asyncResult) [0x00000] in <filename unkNown>:0 08-28 17:12:35.621 I/MonoDroid(29197): at Microsoft.OData.Client.QueryResult.EndExecuteQuery[Nitzrech] (System.Object source,IAsyncResult asyncResult) [0x00000] in <filename unkNown>:0 08-28 17:12:35.621 I/MonoDroid(29197): --- End of inner exception stack trace --- 08-28 17:12:35.621 I/MonoDroid(29197): at Microsoft.OData.Client.QueryResult.EndExecuteQuery[Nitzrech] (System.Object source,IAsyncResult asyncResult) [0x00000] in <filename unkNown>:0 08-28 17:12:35.621 I/MonoDroid(29197): at Microsoft.OData.Client.DataServiceRequest.EndExecute[Nitzrech] (System.Object source,Microsoft.OData.Client.DataServiceContext context,IAsyncResult asyncResult) [0x00000] in <filename unkNown>:0 08-28 17:12:35.621 I/MonoDroid(29197): --- End of inner exception stack trace --- 08-28 17:12:35.621 I/MonoDroid(29197): at System.Threading.Tasks.Task.Wait (int,System.Threading.CancellationToken) <IL 0x0004a,0x0025c> 08-28 17:12:35.621 I/MonoDroid(29197): at System.Threading.Tasks.Task.Wait () <IL 0x00007,0x00077> 08-28 17:12:35.621 I/MonoDroid(29197): at System.Threading.Tasks.Task`1<System.Collections.Generic.IEnumerable`1<Client.ODataClient.Nitzrech>>.get_Result () <0x0007b> 08-28 17:12:35.621 I/MonoDroid(29197): at Client.DataAccess.NewRepository.GetServerTable<Client.ODataClient.Nitzrech> () <0x00167> 08-28 17:12:35.621 I/MonoDroid(29197): at Client.Droid.MainActivity.OnCreate (Android.OS.Bundle) [0x00032] in c:\Users\Avrohom\Documents\Visual Studio 2013\Projects\OData\Client\Client\Client.Droid\MainActivity.cs:33 08-28 17:12:35.621 I/MonoDroid(29197): at Android.App.Activity.n_OnCreate_Landroid_os_Bundle_ (intptr,intptr,intptr) [0x00011] in /Users/builder/data/lanes/monodroid-mlion-monodroid-4.14-series/a5d57087/source/monodroid/src/Mono.Android/platforms/android-19/src/generated/Android.App.Activity.cs:2179 08-28 17:12:35.621 I/MonoDroid(29197): at (wrapper dynamic-method) object.aebd8c0d-1bcc-4b67-a482-f6f129f09cca (intptr,intptr) <IL 0x00017,0x00043> 08-28 17:12:35.621 I/MonoDroid(29197): 08-28 17:12:35.621 I/MonoDroid(29197): --> (Inner exception 0) Microsoft.OData.Client.DataServiceQueryException: An error occurred while processing this request. ---> system.invalidOperationException: An error occurred while processing this request. ---> system.invalidCastException: Cannot cast from source type to destination type. 08-28 17:12:35.621 I/MonoDroid(29197): at Microsoft.OData.Client.QueryResult.AsyncEndRead (System.Threading.Tasks.Task task,IAsyncResult asyncResult) [0x00000] in <filename unkNown>:0 An unhandled exception occured. 08-28 17:12:36.661 E/mono (29197): 08-28 17:12:36.661 E/mono (29197): Unhandled Exception: 08-28 17:12:36.661 E/mono (29197): System.AggregateException: One or more errors occured ---> Microsoft.OData.Client.DataServiceQueryException: An error occurred while processing this request. ---> system.invalidOperationException: An error occurred while processing this request. ---> system.invalidCastException: Cannot cast from source type to destination type. 08-28 17:12:36.661 E/mono (29197): at Microsoft.OData.Client.QueryResult.AsyncEndRead (System.Threading.Tasks.Task task,System.Object asyncState) [0x00000] in <filename unkNown>:0 08-28 17:12:36.661 E/mono (29197): --- End of inner exception stack trace --- 08-28 17:12:36.661 E/mono (29197): at Microsoft.OData.Client.BaseAsyncResult.EndExecute[QueryResult] (System.Object source,IAsyncResult asyncResult) [0x00000] in <filename unkNown>:0 08-28 17:12:36.661 E/mono (29197): at Microsoft.OData.Client.QueryResult.EndExecuteQuery[Nitzrech] (System.Object source,IAsyncResult asyncResult) [0x00000] in <filename unkNown>:0 08-28 17:12:36.661 E/mono (29197): --- End of inner exception stack trace --- 08-28 17:12:36.661 E/mono (29197): at Microsoft.OData.Client.QueryResult.EndExecuteQuery[Nitzrech] (System.Object sourc 08-28 17:12:36.671 E/mono-rt (29197): [ERROR] FATAL UNHANDLED EXCEPTION: System.AggregateException: One or more errors occured ---> Microsoft.OData.Client.DataServiceQueryException: An error occurred while processing this request. ---> system.invalidOperationException: An error occurred while processing this request. ---> system.invalidCastException: Cannot cast from source type to destination type. 08-28 17:12:36.671 E/mono-rt (29197): at Microsoft.OData.Client.QueryResult.AsyncEndRead (System.Threading.Tasks.Task task,System.Object asyncState) [0x00000] in <filename unkNown>:0 08-28 17:12:36.671 E/mono-rt (29197): --- End of inner exception stack trace --- 08-28 17:12:36.671 E/mono-rt (29197): at Microsoft.OData.Client.BaseAsyncResult.EndExecute[QueryResult] (System.Object source,IAsyncResult asyncResult) [0x00000] in <filename unkNown>:0 08-28 17:12:36.671 E/mono-rt (29197): at Microsoft.OData.Client.QueryResult.EndExecuteQuery[Nitzrech] (System.Object source,IAsyncResult asyncResult) [0x00000] in <filename unkNown>:0 08-28 17:12:36.671 E/mono-rt (29197): --- End of inner exception stack trace --- 08-28 17:12:36.671 E/mono-rt (29197): at Microsoft.OData.Client.QueryResult.EndExecuteQuery[Nitzrech] (System In mgmain JNI_OnLoad The program 'Mono' has exited with code 0 (0x0).
有人在那里提出建议吗？
问候,
Avrohom
解决方法
我不相信这个软件包支持Xamarin – 从
nuget page开始：
Targets .NET Core 5,and .NET Portable Lib with support for .NET 4.0,SL 5.0,Win Phone 8,Win Phone 8.1,and Win 8.
我建议向库的开发者提出一个问题,以获取更多相关信息,因为如果它支持Xamarin,它可能是一个错误：
https://github.com/OData/odata.net/issues
组件商店中有以下组件应该可以使用,但它已经有一段时间了,因为它已经更新：
原文地址：https://www.jb51.cc/android/315021.html
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