Is it possible to animate AppBar navigationIcon appearance? I mean not only of navigationIcon anim in-out, but navigation title slide. I mean exactly smooth swithing between next AppBar states

I would put separate AppBars on each screen, so they would animate together with the content.

Do you mean transition animation for full screen?

Yeah, this is how I am doing it usually.

I think that the best solution for what i am trying to do is to create custom app bar )

It depends on the UI design and architecture requirements. In all apps I worked on - the AppBar was always screens' implementation details. But if you have such a design requirement, to animate items of the AppBar individually, then you need a custom solution indeed.

I am afraid that it doesn’t ) Maybe it could works for nav icon (I am new in compose and don’t sure), but as i understood from code below row with fixed size just appears if set and title move to right with no anim

Yeah, I meant if you will ever implement a custom app bar 😀