升级到 Xamarin.Forms 1.2.3 后,我收到以下与自定义渲染器定义相关的编译器错误:
Error CS0012: The type `Xamarin.Forms.Platform.Android.FormsViewGroup' is
defined in an assembly that is not referenced. Consider adding a reference to
assembly `FormsViewGroup, Version=1.2.3.0, Culture=neutral,
PublicKeyToken=null' (CS0012) (XFormsNavigation.Android)
出了什么问题,我该如何解决?