Example

#include <WebServer.h>
#include <NetWizard.h>  // NetWizard Pro: #include <NetWizardPro.h>

WebServer server(80);

// Initialize NetWizard
NetWizard NW(&server);

// Settings fields shown on the portal's settings step
NetWizardHeader nw_header(&NW, "MQTT");
NetWizardDivider nw_divider1(&NW);
NetWizardInput nw_mqtt_host(&NW, "Host", "", "mqtt.example.com");  // String
NetWizardInput nw_mqtt_port(&NW, "Port", 1883);                     // int

void setup(void) {
  delay(3000);
  Serial.begin(115200);
  Serial.println("");

  // BLOCKING: autoConnect() returns only after the captive portal has closed.
  // NON_BLOCKING: autoConnect() returns immediately; the portal runs in the background.
  NW.setStrategy(NetWizardStrategy::BLOCKING);

  // Called whenever the connection status changes
  NW.onConnectionStatus([](NetWizardConnectionStatus status) {
    String status_str = "";

    switch (status) {
      case NetWizardConnectionStatus::DISCONNECTED:
        status_str = "Disconnected";
        break;
      case NetWizardConnectionStatus::CONNECTING:
        status_str = "Connecting";
        break;
      case NetWizardConnectionStatus::CONNECTED:
        status_str = "Connected";
        break;
      case NetWizardConnectionStatus::CONNECTION_FAILED:
        status_str = "Connection Failed";
        break;
      case NetWizardConnectionStatus::CONNECTION_LOST:
        status_str = "Connection Lost";
        break;
      case NetWizardConnectionStatus::NOT_FOUND:
        status_str = "Not Found";
        break;
      default:
        status_str = "Unknown";
    }

    Serial.printf("NW connection status changed: %s\n", status_str.c_str());
  });

  // Called whenever the captive portal state changes
  NW.onPortalState([](NetWizardPortalState state) {
    String state_str = "";

    switch (state) {
      case NetWizardPortalState::IDLE:
        state_str = "Idle";
        break;
      case NetWizardPortalState::CONNECTING_WIFI:
        state_str = "Connecting to WiFi";
        break;
      case NetWizardPortalState::WAITING_FOR_CONNECTION:
        state_str = "Waiting for Connection";
        break;
      case NetWizardPortalState::SUCCESS:
        state_str = "Success";
        break;
      case NetWizardPortalState::FAILED:
        state_str = "Failed";
        break;
      case NetWizardPortalState::TIMEOUT:
        state_str = "Timeout";
        break;
      default:
        state_str = "Unknown";
    }

    Serial.printf("NW portal state changed: %s\n", state_str.c_str());
  });

  // Called when the user submits the settings page
  NW.onConfig([&]() {
    Serial.printf("Host: %s\n", nw_mqtt_host.getValue().c_str());
    Serial.printf("Port: %d\n", nw_mqtt_port.getValue());
    return true;  // accept the submitted values
  });

  // Connect to the saved network, or start the captive portal
  NW.autoConnect("NetWizard Demo", "");

  if (NW.isConfigured()) {
    Serial.println("Device is configured");
    if (NW.getConnectionStatus() == NetWizardConnectionStatus::CONNECTED) {
      Serial.print("Connected to ");
      Serial.println(NW.getSSID());
      Serial.print("IP address: ");
      Serial.println(NW.localIP());
    } else {
      Serial.println("Not connected to any WiFi");
    }
  } else {
    Serial.println("Device is not configured");
  }

  // Application route
  server.on("/demo", HTTP_GET, []() {
    server.send(200, "text/plain", "Hi! This is NetWizard Demo.");
  });

  server.begin();
}

void loop(void) {
  server.handleClient();

  // NetWizard loop task
  NW.loop();
}