Issue: Opening up AXML file and no intellisense in Visual Studio
- open file explorer, navigate to c:\program files (x86)\MSBuild\Xamarin
- copy android-layout-xml.xsd and schemas.android.com.apk.res.android.xsd to C:\Program Files (x86)\Microsoft Visual Studio 14.0\Xml\Schemas
- XML – Schemas and Add selecting the 2 xsd files
- Restart Visual Studio and your intellisense should be working now.