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xamarinnugetvisual-studio-2017updatesnuget-package
Reihaneh Khaksaran
Reihaneh Khaksaran

Reputation: 228

can't update or install any nuget packages in vs 2017

I just installed vs 2017 and wanted to run my project but i'm facing so many warning and errors so I realized I should update my xamarin.android nuget packages but I keep getting this error message below:

Severity    Code    Description Project File    Line    Suppression State Error     Could not install package 'Xamarin.Android.Support.Animated.Vector.Drawable 27.0.2-preview1'. You are trying to install this package into a project that targets 'MonoAndroid,Version=v8.0', but the package does not contain any assembly references or content files that are compatible with that framework. For more information, contact the package author.           0

Repairing vs didn't work; deleting nuget.config didn't work; I even changed the version in .csproj file, but when i load the project it goes back to v8.0.

Can anybody please help? enter image description here

Upvotes: 1

Views: 4246

Answers (3)

Erick Galindo
Erick Galindo

Reputation: 1

When errors appear, clean your solution and rebuild it.

Also do something very basic, that what you are going to download is "accessible " in .Droid and that is not only in the Portable.

If you do not serve, and do not find a solution, you must start a new project, it would be advisable to install the latest SDK, etc.

Upvotes: 0

Leo Liu
Leo Liu

Reputation: 76680

can't update or install any nuget packages in vs 2017

Just as Jon said, the latest nuget package Xamarin.Android.Support.Animated.Vector.Drawable 27.0.2-preview1, which requires MonoAndroid81 at minimum to install.

However, only the latest Preview (15.6 Preview 2) version of Visual Studio includes Android 8.1 support. As this moment, current release version is 15.5.4, preview release version is 15.6 Preview 2. So if you want use that nuget package the latest version 27.0.2-preview1, you need download the latest version of Visual Studio 15.6 Preview 2 and install Android SDK 8.1.

If switch to Visual Studio 15.6 Preview 2 is not your choice, you should not update that package to the latest version, just use the version 26.1.0.1.

Hope this answer more clear.

Upvotes: 3

Jon Douglas
Jon Douglas

Reputation: 13176

This requires MonoAndroid81 at minimum to install. You can use the current Preview which includes Android 8.1 support:

https://blog.xamarin.com/xamarin-android-now-double-stuffed-with-oreo-8-1/

For future reference, the support library has a major version that maps with the Android version it supports. In this case Support v27 = Android 8.1 (API 27)

Upvotes: 2

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