运行Xamarin 时出现以下问题。
The layout could not be loaded : The operation failed due to an internal error : After scene creation ,#init() must be called.
java.lang.IllegalStateException: After scene creation,#init() must be called
解决问题比较简单，应该是Api19的Bug，回手选择其它的版本预览就可以设计了
引用：
