@zahikramer UrhoSharp is a small code-first engine, easy to embed into any existing Xamarin app. It's good for visual effects, visualization etc rather than games with complex scenes. But the good ne… ((more))
Take a look at the "FaceDetection" sample
1) Create a Texture2D with TextureUsage.Dynamic
So it looks like addItem is called outside of the game thread (on some platforms it's not the main UI thread).
You can switch to the game thread via this code:
await Urho.Application.ToMainThreadAs… ((more))