MainActivity.kt

/* ... */
var isFired by remember { mutableStateOf(false) }
val shoesArticles = remember { mutableStateListOf<ShoesArticle>() }

var addedArticle by remember { mutableStateOf(ShoesArticle()) }
var id by remember { mutableStateOf(0) }

 Scaffold(
        topBar = {
            Box {
                /* ... */
                TopAppBar(
                    title = {
                        Text(text = "List Animations In Compose")
                    },
                    actions = {
                        IconButton(onClick = {
                            particleColor = colorsArray.random()
                            addedArticle =
                                allShoesArticles.first { it.color == particleColor }.copy(id = id)
                                    .also {
                                        id++
                                    }
                            shoesArticles.add(0, addedArticle)
                            isFired = true
                        }) {
                            Icon(Icons.Filled.AddCircle, contentDescription = null)
                        }
                    },
                    /* ... */
                )
            }
        }
    ) { /* ... */ }