TheLordOfTheRings.csproj

<Project Sdk="Microsoft.NET.Sdk">

    <PropertyGroup>
        <TargetFrameworks>net7.0-android;net7.0-ios</TargetFrameworks>
        <OutputType>Exe</OutputType>
        <RootNamespace>TheLordOfTheRings</RootNamespace>
        <UseMaui>true</UseMaui>
        <SingleProject>true</SingleProject>
        <ImplicitUsings>enable</ImplicitUsings>

    <ItemGroup>
      <None Remove="**\**\*.Android.cs" />
      <None Remove="**\**\*.MaciOS.cs" />
    </ItemGroup>
        
    <ItemGroup Condition="$(TargetFramework.StartsWith('net7.0-android')) != true">
        <Compile Remove="**\**\*.Android.cs" />
        <None Include="**\**\*.Android.cs" Exclude="$(DefaultItemExcludes);$(DefaultExcludesInProjectFolder)" />
    </ItemGroup>

    <ItemGroup Condition="$(TargetFramework.StartsWith('net7.0-ios')) != true AND $(TargetFramework.StartsWith('net6.0-maccatalyst')) != true">
        <Compile Remove="**\**\*.MaciOS.cs" />
        <None Include="**\**\*.MaciOS.cs" Exclude="$(DefaultItemExcludes);$(DefaultExcludesInProjectFolder)" />
    </ItemGroup>

</Project>