Paket doesn't correctly handle Nougat compilation (v7/7.1) target for Xamarin.Android when installing Xamarin.Forms

Description

When installing a Xamarin.Forms package into a Xamarin.Android application, targeting Nougat (v7.1), Paket creates references to .netstandard1.0 libraries, instead of the monoandroid libraries.

When I drop compile version (TargetFrameworkVersion) to 6.0, it links correctly against the MonoAndroid10 libraries

Repro steps

1. Create a new Xamarin.Android project
2. Install Xamarin.Forms (latest 2.4.0.282)
3. Set Compile using Android version (TargetFramework) to 7.0 or 7.1 (Nougat)
4. Builds will fail, since the Xamarin Android platform libraries are not linked, instead .netstandard1.0 libraries are linked

It seems there is an explicit condition set for Android7/7.1 for .netstandard1.0. This does not work for Xamarin.Forms.

ZIP file with solution attached.

Expected behavior

The referenced dlls must be from lib\MonoAndroid10 directory.

Actual behavior

The referenced dlls come from lib\netstandard1.0 directory.

Known workarounds

Drop compilation target framework to 6.0, or use Nuget.

test.zip

[forki]

should be fixed. I added a penalty for switiching from monoandroid to netstandard

[ylatuya]

Is there anything else we can do to help resolve this issue? I would like to help but I have zero experience in F# or any other functional language. Paket is currently unusable right now for Xamarin Forms projects and we have to manually update dependencies. Rolling back to using nuget would be a downgrade in functionalities and we’d like to avoid it at any cost 😃