Fix for Java.Interop-Tests.csproj

Set %(SkipGetTargetFrameworkProperties)

Author: jonathanpeppers

src/Java.Interop.GenericMarshaler/Java.Interop.GenericMarshaler.csproj

@@ -24,6 +24,8 @@
     <ProjectReference Include="..\Java.Interop\Java.Interop.csproj">
       <Project>{94BD81F7-B06F-4295-9636-F8A3B6BDC762}</Project>
       <Name>Java.Interop</Name>
+      <SkipGetTargetFrameworkProperties>true</SkipGetTargetFrameworkProperties>
+      <AdditionalProperties>TargetFramework=netstandard2.0</AdditionalProperties>
     </ProjectReference>
   </ItemGroup>
 </Project>

src/Java.Interop/Java.Interop.csproj

@@ -4,8 +4,18 @@
     <XAConfigPath>..\..\bin\Build$(Configuration)\XAConfig.props</XAConfigPath>
   </PropertyGroup>
   <Import Condition="Exists ('$(XAConfigPath)')" Project="$(XAConfigPath)" />
-  <PropertyGroup>
+  <!--
+    NOTE: in xamarin-android, this project gets built by xabuild in Xamarin.Android-Tests.sln
+    Exclude net6.0, because xabuild cannot build net5.0 or higher
+  -->
+  <PropertyGroup Condition=" '$(XABuild)' == 'true' ">
+    <TargetFramework>netstandard2.0</TargetFramework>
+    <_JniEnvAdditionalProperties>TargetFramework=net472</_JniEnvAdditionalProperties>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(XABuild)' != 'true' ">
     <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
+  </PropertyGroup>
+  <PropertyGroup>
     <NoWarn>1591</NoWarn>
     <SignAssembly>true</SignAssembly>
     <AssemblyOriginatorKeyFile>..\..\product.snk</AssemblyOriginatorKeyFile>
@@ -57,6 +67,8 @@
     <None Include="Documentation\Java.Interop\JniEnvironment.References.xml" />
     <ProjectReference Include="..\..\build-tools\jnienv-gen\jnienv-gen.csproj"
         ReferenceOutputAssembly="false"
+        SkipGetTargetFrameworkProperties="true"
+        AdditionalProperties="$(_JniEnvAdditionalProperties)"
     />
   </ItemGroup>
   <ItemGroup>