WiFiDisconnectUseCase.kt

class WiFiDisconnectUseCase(context: Context) {

    private var wifiManager =
        context.applicationContext.getSystemService(Context.WIFI_SERVICE) as WifiManager

    private val connectivityManager =
        context.applicationContext.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager

    private val wifiSSID = "My Network"

    operator fun invoke(networkCallback: ConnectivityManager.NetworkCallback? = null) { //we send the NetworkCallback as parameter from Android 10 and above
        if (wifiManager.connectionInfo.ssid != "\"$wifiSSID\"") {
            Timber.w("Skipping disconnect. The device is not connected to $wifiSSID.")
            return
        }

        networkCallback?.apply {
            Timber.v("unregistering network callback")
            connectivityManager.unregisterNetworkCallback(this)
        }

        val networkId = wifiManager.connectionInfo.networkId
        Timber.v("Disconnecting from ${wifiManager.connectionInfo.ssid}...")
        if (networkId != -1) {
            return if (!wifiManager.removeNetwork(networkId)) {
                Timber.e("Failed to remove network ${wifiSSID}.")
            } else {
                Timber.v("Successfully removed network ${wifiSSID}.")
            }
        } else {
            Timber.w("Cannot remove network with id -1")
        }
    }
}