Xamarin.Android error XA4215

Example messages

error XA4215: The Java type `com.contoso.library1.Class1` is generated by more than one managed type. Please change the [Register] attribute so that the same Java type is not emitted.
error XA4215:   `com.contoso.library1.Class1` generated by: Library1.Class1, Library1, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
error XA4215:   `com.contoso.library1.Class1` generated by: Library1.Class1, Library2, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null

Issue

This error indicates that two or more C# types are emitting the same fully qualified Java type name.

Solution

To resolve this error, change the [Register] attribute on one of the C# types to a different Java type name.