Even after installing v4 support library from Xamarin Component Store,I get this error.I tried googling for these problems but I always get the same error in Xamarin Studio
Your screenshot is too small and I can barely read the code and error messages. But it appears that you have Java code in Xamarin Studio and it's generating compile errors. That would be expected since Xamarin Studio only compiles C#, and not Java. You'll have to take your current Java code and convert it to C#.