MainScreen.kt

@Composable
private fun MainScreen(
    viewModel: PullToRefreshViewModel = hiltViewModel()
) {
    Box(
        modifier = Modifier
            .fillMaxWidth()
            .background(Color.Blue)
    ) {
        val isRefreshing: Boolean by viewModel.isRefreshingState.collectAsStateWithLifecycle()
        PullToRefreshBox(
            isRefreshing = isRefreshing,
            onRefresh = {
                viewModel.onRefresh()
            },
        ) {
            // ....
        }
    }
}