适用于Windows Phone 8.1的IoC容器

I'm currently working on a WP 8.1 app(runtime, not silverlight) and I want to find a IoC container. I'm using Caliburn.Micro, which is great because it's using constructor injection in the view models, but I also have a background agent which can't accces the IoC container from Caliburn.Micro.I'm currently working on a WP 8.1 app(runtime,