Build errors when building the Viewers in the sample

[normalsilly]

I'm able to successfully build MixedRemoteViewCompositor.sln in the source file and ensure the MixedRemoteViewCompositor in Viewer.sln is included. When I build the Viewer.sln, it shows me some error messages but build successfully (messages attached below). However, when I run the application, change the localhost IP and click the "connect to" button, the whole viewer box just disappear as nothing happens. Do anyone know how to solve this problem?

My thinking is that it's because I've missed those winmd files, but I don't know how to add those files...

XamlCompiler error WMC1006: Cannot resolve Assembly or Windows Metadata file 'Windows.Storage.Streams.winmd'
XamlCompiler error WMC1006: Cannot resolve Assembly or Windows Metadata file 'Windows.Media.winmd'
XamlCompiler error WMC1006: Cannot resolve Assembly or Windows Metadata file 'Windows.Media.Core.winmd'
XamlCompiler error WMC1006: Cannot resolve Assembly or Windows Metadata file 'Windows.Media.Effects.winmd'

Also, there're 2 warning messages and I'm not sure if it's related to this problem.

[eluchsinger]

I get those errors, but it works good with the errors.
Double-Check your Capabilities of your HoloLens project in Unity. Make sure, you have InternetClient enabled (in the doc, it says it's optional, but I had to enable it to make it work).

[adamtuliper]

When I targeted Fall Creators update for Min version and Target version in the project properties, the errors (though build was successful) went away though warnings above stayed.

To remove the warning about implementation file, we can tell Visual Studio where the implementation file exists. I've submitted a PR for this as well: #217 . Ensure if you've built the MixedRemoteViewCompositor as Debug, you'll also need to build Viewer as Debug, since it will be looking for Build$(Configuration)......MixedRemoteViewCompositor.dll based off of your build configuration, and if you are building Release for Viewer and built Debug for the MixedRemoteViewCompositor.dll, it won't be in the output folder.

..\..\..\..\Source\Win32\MixedRemoteViewCompositor.winmd true MixedRemoteViewCompositor.dll