问题描述:安卓设计器无法打开
错误提示:The operation load failed due to an internal error
错误代码:
java.lang.NullPointerException
at mono.android.DesignerException.fromThrowable(DesignerException.java:30)
at mono.android.DesignerSession.checkRenderResultForError(DesignerSession.java:187)
at mono.android.DesignerSession.load(DesignerSession.java:239)
at mono.android.DesignerSession.processMessage(DesignerSession.java:702)
at mono.android.MessageListener.executeMessage(MessageListener.java:88)
at mono.android.MessageListener$Runner.run(MessageListener.java:44)
at java.lang.Thread.run(Thread.java:745)
环境:Visual Studio 2017 + Xamarin(V4.5)