Xamarin Android 所见即所得问题

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：

http://stackoverflow.com/questions/19751149/adt-22-3-android-4-4-getting-error-after-scene-creation-init-must-be-ca