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Jan_Zeman's avatar
Jan_Zeman
Helpful | Level 6
9 years ago
Solved

.NET Standard support

Hello. I've tried to find an aswer within the already existing answers but without success. Sorry in case I overlooked.   I have recently tried to convert my PCL projects to .NET Standard. After ...
API
  • Qiming Y.'s avatar
    Qiming Y.
    9 years ago

    Hi Jan,

     

    The SDK contains a PCL libarary which is compatible with .NET Standard. If you are using project.json you need add portable-net45+win8 to your import section e.g.

     

    "frameworks": { 
    "netstandard1.1": { 
        "imports": [ 
            "portable-net45+win8" 
        ] 
     } 
}

    If your are using .csproj you need add 

    <PackageTargetFallback>portable-net45+win8</PackageTargetFallback>

    under your <Project> element.

     

    Thanks,

    Qiming

     

Greg-DB's avatar
Greg-DB
Icon for Dropbox Community Moderator rankDropbox Community Moderator
9 years ago
Hi Jan, I believe this is supposed to already work. The SDK contains PCL with profile111 which is compatible with .NET Standard 1.1 and above.

Can you share the steps you followed to reproduce this, and the full error/output you're getting? Thanks in advance!
  • Jan_Zeman's avatar
    Jan_Zeman
    Helpful | Level 6
    9 years ago

    Hi Greg,

     

    Thanks for the fast reaction.

     

    1) Start VS 2017 (Windows)

    2) Create new project and select "Class library (Portable)" with the following profile: (NET 4.5.1, Xamarin.Android, Xamarin.iOS

    3) Open properities of the just created project

    4) Click "Target .NET Platform Standard" link (in my case .NETStandard1.2 is preselected so I keep it)

    5) Manage NuGet Packages and try to add "Dropbox.Api"

     

    Nothing is added and the output says:

     

    Package Dropbox.Api 4.3.0 is not compatible with netstandard1.2 (.NETStandard,Version=v1.2). Package Dropbox.Api 4.3.0 supports:
    - net45 (.NETFramework,Version=v4.5)
    - portable-dnxcore50+net45+win8+wp8+wpa81 (.NETPortable,Version=v0.0,Profile=net45+wp80+win8+wpa81+dnxcore50)
    - portable-net40+sl5+win8+wp8+wpa81 (.NETPortable,Version=v0.0,Profile=Profile328)
    One or more packages are incompatible with .NETStandard,Version=v1.2.
    Package restore failed. Rolling back package changes for 'ClassLibrary1'.

     

     

     

    If I try to switch to .NETStandard1.6 it is the same result:

     

    Package Dropbox.Api 4.3.0 is not compatible with netstandard1.6 (.NETStandard,Version=v1.6). Package Dropbox.Api 4.3.0 supports:
    - net45 (.NETFramework,Version=v4.5)
    - portable-dnxcore50+net45+win8+wp8+wpa81 (.NETPortable,Version=v0.0,Profile=net45+wp80+win8+wpa81+dnxcore50)
    - portable-net40+sl5+win8+wp8+wpa81 (.NETPortable,Version=v0.0,Profile=Profile328)
    One or more packages are incompatible with .NETStandard,Version=v1.6.
    Package restore failed. Rolling back package changes for 'ClassLibrary1'.

    • Qiming Y.'s avatar
      Qiming Y.
      Icon for Dropbox Staff rankDropbox Staff
      9 years ago

      Hi Jan,

       

      The SDK contains a PCL libarary which is compatible with .NET Standard. If you are using project.json you need add portable-net45+win8 to your import section e.g.

       

      "frameworks": { 
    "netstandard1.1": { 
        "imports": [ 
            "portable-net45+win8" 
        ] 
     } 
}

      If your are using .csproj you need add 

      <PackageTargetFallback>portable-net45+win8</PackageTargetFallback>

      under your <Project> element.

       

      Thanks,

      Qiming

       

      • Jan_Zeman's avatar
        Jan_Zeman
        Helpful | Level 6
        9 years ago

        Hi Qiming,

         

        Yes, this worked. Thank you! I thought this all should work automatically while adding the NuGet. I do not know that much about this area yet. Is there any documentation Dropbox & .NET Standard around where I can read more and also use it in the future when libs get updated?

         

        Best regards

        Jan

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