I used https://github.com/jkuhlmann/gainput https://github.com/jkuhlmann/gainput for input. I never did get around to handling audio. For the UI I used imgui.

I used https://github.com/jkuhlmann/gainput https://github.com/jkuhlmann/gainput for input. I never did get around to handling audio. For the UI I used imgui. Skia actually comes with an imgui backend (it's used for the Viewer tool) that is easy enough to hack into whatever you need.