NUITizenGallery project for Ubuntu build and debug Dali Ubuntu build and tizenfx-stub Ubuntu build should be done(be set up) before running this project. Please check this references first : NUI Ubuntu guide, DALi Ubuntu guide nuget.config Please check the ~/.nuget/NuGet/NuGet.Config file to set nuget package sources. At least, these 2 sources should be included : https://tizen.myget.org/F/dotnet/api/v3/index.json, https://api.nuget.org/v3/index.json VS Code related setting Please change the paths shown blow as for your environment. .vscode/launch.json csproj file Set the target framework installed in your environment. NUITizenGallery.csproj Start debugging Open VS Code by the command, "$ code NUITizenGallery.code-workspace" in /TizenFX/test/NUITizenGallery/ folder. Do run and debug by clicking "play button" as shown below