Issues related to UWP projects

Error: Could not copy the file

Error message: "Error: Could not copy the file <file_path> because it was not found. <ProjectName>".

Example:

Error: Could not copy the file C:\Users\username\.nuget\packages\uno.extensions.hosting.uwp\2.4.2\lib\uap10.0.18362\Uno.Extensions.Hosting.UWP\buildTransitive\Uno.Extensions.Hosting.UWP.props because it was not found. MyProject.Uwp

Workaround for Dependent PRI Files Exclusion in NuGet Packaging

Follow the steps below to add the workaround to your project:

1. Open your UWP .csproj file.

2. Add the following targets to the file:

   <Target Name="AdjustGetPackagingOutput1" AfterTargets="GetMrtPackagingOutputs">
       <Message Importance="high" Text="Applying NuGet packaging workaround for dependent PRI files exclusion" />
       <ItemGroup>
           <_OtherPriFiles Include="@(PackagingOutputs)" Condition="'%(Extension)' == '.pri' and ('%(PackagingOutputs.ReferenceSourceTarget)' == 'ProjectReference' or '%(PackagingOutputs.NugetSourceType)'=='Package')" />
           <PackagingOutputs Remove="@(_OtherPriFiles)" />
       </ItemGroup>
   </Target>
   
   <Target Name="AdjustGetPackagingOutput2" BeforeTargets="AddPriPayloadFilesToCopyToOutputDirectoryItems">
       <Message Importance="high" Text="Applying NuGet packaging workaround for dependent PRI files exclusion" />
       <ItemGroup>
           <_OtherPriFiles1 Include="@(_ReferenceRelatedPaths)" Condition="'%(Extension)' == '.pri' and ('%(_ReferenceRelatedPaths.ReferenceSourceTarget)' == 'ProjectReference' or '%(_ReferenceRelatedPaths.NugetSourceType)'=='Package')" />
           <_ReferenceRelatedPaths Remove="@(_OtherPriFiles1)" />
   
           <_OtherPriFiles2 Include="@(ReferenceCopyLocalPaths)" Condition="'%(Extension)' == '.pri' and ('%(ReferenceCopyLocalPaths.ReferenceSourceTarget)' == 'ProjectReference' or '%(ReferenceCopyLocalPaths.NugetSourceType)'=='Package')" />
           <ReferenceCopyLocalPaths Remove="@(_OtherPriFiles2)" />
       </ItemGroup>
   </Target>