Xamarin.Android依赖netstandard13包吗? [英] Xamarin.Android dependency netstandard13 package?

问题描述

.NET上的文档平台标准，似乎Xamarin应用程序应该有可能使用netstandard13中的target的NuGet软件包.但是，当我尝试这样做时，尝试添加NuGet时出现以下错误:

According to the docs on the .NET Platform Standard, it seems like it should be possible for Xamarin apps to consume NuGet packages targetin netstandard13. However, when I try this I get the following error while trying to add the NuGet:

 Unable to find a version of 'System.Collections.Concurrent' that is compatible with 'npgsql 3.9.0 constraint: System.Collections.Concurrent (>= 4.0.12-rc2-24027)'.

我正在尝试在VS2015更新2 + RC2工具上执行此操作.这是不可能的，还有另一种方法来解决这个问题吗?

I'm trying to do this on VS2015 update 2 + RC2 tooling. Is this not possible, is there another way to approach this?

推荐答案

该npgsql软件包似乎取决于预发行软件包(RC-候选版本).使用-pre选项运行安装:

That npgsql package seems to be depending on pre-release packages (RC - Release Candidate). Run the install with -pre option:

Install-Package npgsql -pre

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