SnackbarSample.kt

@Composable
fun SnackbarSample() {
    val snackbarHostState = remember { SnackbarHostState() }
    val coroutineScope = rememberCoroutineScope()
    val modifier = Modifier

    Box(modifier.fillMaxSize()) {
        Button(onClick = {
            coroutineScope.launch {
                snackbarHostState.showSnackbar(message = "This is a Snackbar")
            }
        }) {
            Text(text = "Click me!")
        }

        SnackbarHost(
            hostState = snackbarHostState,
            modifier = Modifier.align(Alignment.BottomCenter)
        )
    }
}