The type or namespace name 'Xamarin' missing error in Xamarin Studio

Question

I\'m getting this error:

\"MyApp\\App.cs(7,7): Error CS0246: The type or namespace name \'Xamarin\' could not be found (are you missing a using di

Answer 1

This happened when I removed the Xamarin.Android.Support.v4 and Xamarin.Forms library in order to downgrade to an earlier version. I got it working again by resetting the Droid packages.config to:

Then right-click the Droid Packages folder to Restore missing packages. The final step is to add the References > From Packages to the *.Droid.csproj

  ..\packages\Xamarin.Android.Support.v4.22.1.1\lib\MonoAndroid403\Xamarin.Android.Support.v4.dll


  ..\packages\Xamarin.Forms.1.4.2.6355\lib\MonoAndroid10\Xamarin.Forms.Platform.Android.dll


  ..\packages\Xamarin.Forms.1.4.2.6355\lib\MonoAndroid10\FormsViewGroup.dll


  ..\packages\Xamarin.Forms.1.4.2.6355\lib\MonoAndroid10\Xamarin.Forms.Core.dll


  ..\packages\Xamarin.Forms.1.4.2.6355\lib\MonoAndroid10\Xamarin.Forms.Xaml.dll


  ..\packages\Xamarin.Forms.1.4.2.6355\lib\MonoAndroid10\Xamarin.Forms.Platform.dll