Snippet showing how to send an accessibility event to viewModel.

DelegatingKeyEventFromActivityToViewModel.kt

override fun dispatchKeyEvent(event: KeyEvent?): Boolean {
    return event?.let {
        currentFocus?.let { focusView ->
            talkBackViewModel.dispatchKeyEvent(it, WeakReference(focusView))
        }
    } ?: super.dispatchKeyEvent(event)
}