Xamarin.android 无法为MonoDroid安装SignalR客户端nuget包

Xamarin.android 无法为MonoDroid安装SignalR客户端nuget包,xamarin.android,signalr,Xamarin.android,Signalr,我正在尝试为MonoDroid项目安装Nuget软件包(Visual Studio 2015): 我得到了这个错误: Could not install package 'Microsoft.AspNet.SignalR.Client 2.2.0'. You are trying to install this package into a project that targets 'MonoAndroid,Version=v4.3', but the package does not cont

我正在尝试为MonoDroid项目安装Nuget软件包(Visual Studio 2015):

我得到了这个错误:

Could not install package 'Microsoft.AspNet.SignalR.Client 2.2.0'. You are trying to install this package into a project that targets 'MonoAndroid,Version=v4.3', but the package does not contain any assembly references or content files that are compatible with that framework.
有什么办法解决这个问题吗

Could not install package 'Microsoft.AspNet.SignalR.Client 2.2.0'. You are trying to install this package into a project that targets 'MonoAndroid,Version=v4.3', but the package does not contain any assembly references or content files that are compatible with that framework.