Since AndroidComposeView is implemented using a ViewGroup, is it possible to access to its children (composeviews) as they were normal android views? (I know there is a specific way to test Compose views, but I'd like to know how these compose nodes are implemented).

No, they are never materialized as

View

subtypes.

Thanks for the fast reply. Do you know if there are any resources on how these compose nodes are represented inside an AndroidComposeView

They are all instances of the

LayoutNode

class which is a tree of objects that can measure and render themselves. The bridge to the

View

world is only for propagating measurements and being given the

Canvas

onto which to render.

Great, I'll take a look into that. Thanks!