class NetworkManager(private val context: Context) { fun checkNetworkState(): Boolean { val connectivityManager = context.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) { val nw = connectivityManager.activeNetwork ?: return false val actNw = connectivityManager.getNetworkCapabilities(nw) ?: return false return when { actN..