I have a new Xamarin Forms solution setup with a PCL, an iOS app (which builds fine), and an Android project. The Android project is up to date with the latest Nuget packages fo
I solved this by installing these Nuget packages -Xamarin.Android.Support.Design, Xamarin.Android.Support.v13, Xamarin.Android.Support.v4, Xamarin.Android.Support.v7.AppCompat, Xamarin.Android.Support.v7.CardView, Xamarin.Android.Support.v7.GridLayout, Xamarin.Android.Support.v7.MediaRouter, Xamarin.Android.Support.v7.Palette, Xamarin.Android.Support.v7.RecyclerView, Xamarin.Android.Support.v8.RenderScript, Xamarin.Android.Support.Vector.Drawable, and also @Clowning answer of adding a partial class for the missing resources. CHECKED IN, NEVER TO TOUCH NUGET ON THIS PROJECT AGAIN!