也许有人知道我的问题，我无法在android项目上打开axml文件

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System.ArgumentNullException: Value cannot be null.
Parameter name: o
   at System.Runtime.InteropServices.Marshal.GetIUnknownForObjectNative(Object o, Boolean onlyInContext)
   at Xamarin.AndroidDesigner.Windows.WindowsAndroidSurfaceRenderer.UpdateD3DImageFromSharedSurface() in E:\A\_work\12\s\Xamarin.Designer.Android\Xamarin.AndroidDesigner.Windows\WindowsAndroidSurfaceRenderer.cs:line 140
   at Xamarin.AndroidDesigner.Windows.WindowsAndroidSurfaceRenderer.RenderDesignerItemVisual(DesignerItem item) in E:\A\_work\12\s\Xamarin.Designer.Android\Xamarin.AndroidDesigner.Windows\WindowsAndroidSurfaceRenderer.cs:line 131
   at Xamarin.Designer.Windows.WpfSurfaceRenderer.QueueRender(DesignerItem item) in E:\A\_work\12\s\Xamarin.Designer\Xamarin.Designer.Windows\WpfSurfaceRenderer.cs:line 361
   at Xamarin.AndroidDesigner.AndroidDesignerSurface.HandleSessionImageChanged(Object sender, EventArgs e) in E:\A\_work\12\s\Xamarin.Designer.Android\Xamarin.AndroidDesigner\Xamarin.AndroidDesigner\AndroidDesignerSurface.cs:line 229
   at Xamarin.AndroidDesigner.AndroidDesignerSession.OnImageChanged() in E:\A\_work\12\s\Xamarin.Designer.Android\Xamarin.AndroidDesigner\Xamarin.AndroidDesigner\AndroidDesignerSession.cs:line 2321
   at Xamarin.AndroidDesigner.AndroidDesignerSession.HandleRendered(Object sender, EventArgs e) in E:\A\_work\12\s\Xamarin.Designer.Android\Xamarin.AndroidDesigner\Xamarin.AndroidDesigner\AndroidDesignerSession.cs:line 1381

  • visual studio 2017版本15.5.7

  • xamarin 4.8.0.760

  • xamarin.android SDK 8.1.5.0

xamarin.android