SettingScreen.kt

// stateful
@Composable
fun SettingScreen(
    settingViewModel: SettingViewModel = viewModel()
) {
    val isDarkMode by settingViewModel.isDarkMode.collectAsState()
    SettingScreen(isDarkModeSetting = isDarkMode, onDarkModeSettingChanged = {
        settingViewModel.onDarkModeChange(it)
    })
}

// stateless
@Composable
fun SettingScreen(isDarkModeSetting: Boolean, onDarkModeSettingChanged: (Boolean) -> Unit) {
    MySwitch(checked = isDarkModeSetting, onCheckChanged = {
        onDarkModeSettingChanged(it)
    })
}