I am trying to get started with a brand new .NET Maui application. Upon creating the project, it has a single project for the MauiApp, and another project named MauiApp.WinUI. When I try to run the the app on my Windows 10 device, I get the error: "The project doesn't know hot to run the profile MauiApp.WinUI". I am not sure what to do in order to fix this. Any suggestions?
4 Answers
In my case installing Single-project MSIX Packaging Tools solved the problem.
Just in case, I already had Project Reunion (Preview) installed.
As of 7/14/21, you should use the Single-project MSIX Packaging Tools for VS 2022, not the one for VS 2019.
I was under the impression after watching a few of the community hangouts that all you needed to do was run the maui-check tool.
It appears that there are other dependencies beyond the tools capabilites, or that it doesn't check, which is a little annoying. But are listeed in the installation docs.
Single-project MSIX Packaging Tools
After installing these everything worked fine.
I installed Single-project MSIX Packaging Tools extension and Project Reunion extension (preview for VS2022). But this was not enough, I still could not start the app.
Then I installed MSIX Packaging tool from MS Store, and it finally worked.
Here's my launchSettings.json file:,
"profiles": {
"TestWinUI": {
"commandName": "MsixPackage"
}
}
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