SystemBarsBehavior.Immersive not working on IOS

[SOG-web]

@OptIn(ExperimentalResourceApi::class)
@Composable
fun App() {
    AppTheme {
        var showContent by remember { mutableStateOf(false) }
        val greeting = remember { Greeting().greet() }
        SplashScreen()
    }
}

@OptIn(ExperimentalResourceApi::class)
@Composable
fun SplashScreen(modifier: Modifier = Modifier) {
    val windowInsetsController = rememberWindowInsetsController()
    LaunchedEffect(Unit) {
        // Hide the status bars
        windowInsetsController?.setIsStatusBarsVisible(false)
        // Hide the navigation bars
        windowInsetsController?.setIsNavigationBarsVisible(false)
        // Change an options for behavior when system bars are hidden
        windowInsetsController?.setSystemBarsBehavior(SystemBarsBehavior.Immersive)
    }

    Box(
        modifier = Modifier
            .fillMaxSize()
            .background(Color.Transparent)
    ) {
        Image(
            painterResource("images/splash.jpg"),
            contentDescription = "image description",
            modifier = Modifier.fillMaxSize(),
            contentScale = ContentScale.FillBounds
        )
        Box(
            modifier = Modifier
                .fillMaxSize()
                .background(Color(0x8CFE6927)) // Add the color overlay
        )
        Scaffold(
            modifier = modifier.fillMaxSize(),
            backgroundColor = Color.Transparent,
        ) {
            Box(
                modifier = modifier.fillMaxSize(),
            ) {
                Column(
                    horizontalAlignment = Alignment.CenterHorizontally,
                    verticalArrangement = Arrangement.Center,
                    modifier = modifier.fillMaxSize()
                ) {
                    Row(
                        horizontalArrangement = Arrangement.Center,
                        verticalAlignment = Alignment.CenterVertically
                    ) {
                        Image(
                            painterResource("images/logo.png"),
                            contentDescription = "logo",
                            modifier = modifier.width(44.dp).height(40.dp),
                            contentScale = ContentScale.Fit
                        )
                        Spacer(modifier = Modifier.width(8.dp))
                        Text(
                            text = "House of ROU",
                            style = TextStyle(
                                fontSize = 26.sp,
                                fontWeight = FontWeight(900),
                                color = Color(0xFFFFFFFF)
                            )
                        )
                    }
                    Spacer(modifier = Modifier.height(24.dp))
                    Text(
                        text = "Peace and Trust",
                        style = TextStyle(
                            fontSize = 31.sp,
                            lineHeight = 40.sp,
//                            fontFamily = FontFamily(Font(R.font.satoshi)),
                            fontWeight = FontWeight(700),
                            color = Color(0xFFFFFFFF),
                            textAlign = TextAlign.Center,
                        )
                    )
                    Spacer(modifier = Modifier.height(8.dp))
                    Text(
                        modifier = modifier.width(343.dp),
                        text = "It’s easier to manage your home with an account",
                        style = TextStyle(
                            fontSize = 16.sp,
                            lineHeight = 24.sp,
//                            fontFamily = FontFamily(Font(R.font.satoshi)),
                            fontWeight = FontWeight(500),
                            color = Color(0xFFFFFFFF),
                            textAlign = TextAlign.Center,
                            letterSpacing = 0.5.sp,
                        )
                    )
                }
            }
        }
    }
}

import com.moriatsushi.insetsx.WindowInsetsUIViewController

fun MainViewController() = WindowInsetsUIViewController { App() }

result android ios