[xabt] suppress XA0101 for Razor class libraries#10350
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jonathanpeppers merged 1 commit intomainfrom Jul 28, 2025
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Context: https://github.com/dotnet/sdk/blob/1ed2f8e9751753a1d249d129884a669363c1b832/src/StaticWebAssetsSdk/Sdk/Sdk.StaticWebAssets.StaticAssets.ProjectSystem.props#L30-L31 Fixes: https://devdiv.visualstudio.com/DevDiv/_workitems/edit/2533207 1. Create a `dotnet new maui-blazor-web` project. 2. Open the `*.Shared.csproj`, the Razor class library project. 3. Change the `$(TargetFramework)` from `net9.0` to `net9.0-android`. 4. Build the project. Get the warnings: hellomauiblazor.Shared net9.0-android succeeded with 11 warning(s) (0.4s) → hellomauiblazor.Shared\bin\Debug\net9.0-android\hellomauiblazor.Shared.dll wwwroot\app.css : warning XA0101: @(Content) build action is not supported wwwroot\bootstrap\bootstrap.min.css : warning XA0101: @(Content) build action is not supported wwwroot\bootstrap\bootstrap.min.css.map : warning XA0101: @(Content) build action is not supported wwwroot\favicon.png : warning XA0101: @(Content) build action is not supported Layout\MainLayout.razor : warning XA0101: @(Content) build action is not supported Layout\NavMenu.razor : warning XA0101: @(Content) build action is not supported Pages\Counter.razor : warning XA0101: @(Content) build action is not supported Pages\Home.razor : warning XA0101: @(Content) build action is not supported Pages\Weather.razor : warning XA0101: @(Content) build action is not supported Routes.razor : warning XA0101: @(Content) build action is not supported _Imports.razor : warning XA0101: @(Content) build action is not supported Reviewing the code in the .NET SDK for Razor projects, they include most of these files such as: <!-- Publish everything under wwwroot, all JSON files, all config files and all Razor files --> <Content Include="wwwroot\**" ExcludeFromSingleFile="true" CopyToPublishDirectory="PreserveNewest" Exclude="$(DefaultItemExcludes);$(DefaultExcludesInProjectFolder)" /> `%(ExcludeFromSingleFile)` looks like a useful metadata here, as Android is basically "single file mode" no matter what. We set `$(EnableSingleFileAnalyzers)=true` by default, so we consider mobile a "single file" platform. Let's suppress the `XA0101` warning for files that have `%(ExcludeFromSingleFile)` metadata, as this seems actually appropriate and solves the warnings in Razor class libraries.
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Jul 30, 2025
Context: https://github.com/dotnet/sdk/blob/1ed2f8e9751753a1d249d129884a669363c1b832/src/StaticWebAssetsSdk/Sdk/Sdk.StaticWebAssets.StaticAssets.ProjectSystem.props#L30-L31 Fixes: https://devdiv.visualstudio.com/DevDiv/_workitems/edit/2533207 1. Create a `dotnet new maui-blazor-web` project. 2. Open the `*.Shared.csproj`, the Razor class library project. 3. Change the `$(TargetFramework)` from `net9.0` to `net9.0-android`. 4. Build the project. Get the warnings: hellomauiblazor.Shared net9.0-android succeeded with 11 warning(s) (0.4s) → hellomauiblazor.Shared\bin\Debug\net9.0-android\hellomauiblazor.Shared.dll wwwroot\app.css : warning XA0101: @(Content) build action is not supported wwwroot\bootstrap\bootstrap.min.css : warning XA0101: @(Content) build action is not supported wwwroot\bootstrap\bootstrap.min.css.map : warning XA0101: @(Content) build action is not supported wwwroot\favicon.png : warning XA0101: @(Content) build action is not supported Layout\MainLayout.razor : warning XA0101: @(Content) build action is not supported Layout\NavMenu.razor : warning XA0101: @(Content) build action is not supported Pages\Counter.razor : warning XA0101: @(Content) build action is not supported Pages\Home.razor : warning XA0101: @(Content) build action is not supported Pages\Weather.razor : warning XA0101: @(Content) build action is not supported Routes.razor : warning XA0101: @(Content) build action is not supported _Imports.razor : warning XA0101: @(Content) build action is not supported Reviewing the code in the .NET SDK for Razor projects, they include most of these files such as: <!-- Publish everything under wwwroot, all JSON files, all config files and all Razor files --> <Content Include="wwwroot\**" ExcludeFromSingleFile="true" CopyToPublishDirectory="PreserveNewest" Exclude="$(DefaultItemExcludes);$(DefaultExcludesInProjectFolder)" /> `%(ExcludeFromSingleFile)` looks like a useful metadata here, as Android is basically "single file mode" no matter what. We set `$(EnableSingleFileAnalyzers)=true` by default, so we consider mobile a "single file" platform. Let's suppress the `XA0101` warning for files that have `%(ExcludeFromSingleFile)` metadata, as this seems actually appropriate and solves the warnings in Razor class libraries.
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Context: https://github.com/dotnet/sdk/blob/1ed2f8e9751753a1d249d129884a669363c1b832/src/StaticWebAssetsSdk/Sdk/Sdk.StaticWebAssets.StaticAssets.ProjectSystem.props#L30-L31
Fixes: https://devdiv.visualstudio.com/DevDiv/_workitems/edit/2533207
Create a
dotnet new maui-blazor-webproject.Open the
*.Shared.csproj, the Razor class library project.Change the
$(TargetFramework)fromnet9.0tonet9.0-android.Build the project.
Get the warnings:
Reviewing the code in the .NET SDK for Razor projects, they include most of these files such as:
%(ExcludeFromSingleFile)looks like a useful metadata here, as Android is basically "single file mode" no matter what. We set$(EnableSingleFileAnalyzers)=trueby default, so we consider mobile a "single file" platform.Let's suppress the
XA0101warning for files that have%(ExcludeFromSingleFile)metadata, as this seems actually appropriate and solves the warnings in Razor class libraries.