cleanup and get said name as per https://github.com/tzapu/WiFiManager/pull/52

added example of above

WiFiManager.cpp

@@ -49,13 +49,11 @@ void WiFiManager::addParameter(WiFiManagerParameter *p) {
   DEBUG_WM(p->getID());
 }
 
-void WiFiManager::setupConfigPortal(char const *apName, char const *apPassword) {
+void WiFiManager::setupConfigPortal() {
   dnsServer.reset(new DNSServer());
   server.reset(new ESP8266WebServer(80));
 
   DEBUG_WM(F(""));
-  _apName = apName;
-  _apPassword = apPassword;
   start = millis();
 
   DEBUG_WM(F("Configuring access point... "));
@@ -130,14 +128,17 @@ boolean  WiFiManager::startConfigPortal(char const *apName, char const *apPasswo
   //setup AP
   WiFi.mode(WIFI_AP);
   
+  _apName = apName;
+  _apPassword = apPassword;
+
   //notify we entered AP mode
   if ( _apcallback != NULL) {
     _apcallback();
   }
   
   connect = false;
-  setupConfigPortal(apName, apPassword);
-
+  setupConfigPortal();
+  DEBUG_WM("start loop");
   while (timeout == 0 || millis() < start + timeout) {
     //DNS
     dnsServer->processNextRequest();
@@ -169,7 +170,7 @@ boolean  WiFiManager::startConfigPortal(char const *apName, char const *apPasswo
 
   server.reset();
   dnsServer.reset();
-
+  DEBUG_WM("end loop");
   return  WiFi.status() == WL_CONNECTED;
 }
 
@@ -205,6 +206,10 @@ String WiFiManager::getPassword() {
   return _pass;
 }
 
+String WiFiManager::getConfigPortalSSID() {
+  return _apName;
+}
+
 String WiFiManager::urldecode(const char *src)
 {
   String decoded = "";
@@ -477,7 +482,6 @@ void WiFiManager::DEBUG_WM(Generic text) {
   }
 }
 
-
 int WiFiManager::getRSSIasQuality(int RSSI) {
   int quality = 0;
 

WiFiManager.h

@@ -67,6 +67,9 @@ class WiFiManager
     String        getSSID();
     String        getPassword();
 
+    // get the AP name of the config portal, so it can be used in the callback
+    String        getConfigPortalSSID();
+
     void          resetSettings();
     //for convenience
     String        urldecode(const char*);
@@ -96,7 +99,7 @@ class WiFiManager
 
     const String  HTTP_HEAD = "<!DOCTYPE html><html lang=\"en\"><head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1\"/><title>{v}</title>";
 
-    void          setupConfigPortal(char const *apName, char const *apPassword);
+    void          setupConfigPortal();
 
     int           _eepromStart;
     const char*   _apName = "no-net";

examples/AutoConnectWithFeedback/AutoConnectWithFeedback.ino

@@ -3,11 +3,17 @@
 //needed for library
 #include <DNSServer.h>
 #include <ESP8266WebServer.h>
-#include <WiFiManager.h>          //https://github.com/tzapu/WiFiManager
+#include "WiFiManager.h"          //https://github.com/tzapu/WiFiManager
+
+//WiFiManger
+//global intialization: this wastes memory, only used here to have access to wifiManager.getConfigPortalSSID()
+WiFiManager wifiManager;
 
 void configModeCallback () {
   Serial.println("Entered config mode");
   Serial.println(WiFi.softAPIP());
+  //if you used auto generated SSID, print it
+  Serial.println(wifiManager.getConfigPortalSSID());
 }
 
 void setup() {
@@ -16,17 +22,18 @@ void setup() {
   
   //WiFiManager
   //Local intialization. Once its business is done, there is no need to keep it around
-  WiFiManager wifiManager;
+  //WiFiManager wifiManager;
   //reset settings - for testing
   //wifiManager.resetSettings();
 
   //set callback that gets called when connecting to previous WiFi fails, and enters Access Point mode
   wifiManager.setAPCallback(configModeCallback);
+
   //fetches ssid and pass and tries to connect
   //if it does not connect it starts an access point with the specified name
   //here  "AutoConnectAP"
   //and goes into a blocking loop awaiting configuration
-  if(!wifiManager.autoConnect("AutoConnectAP")) {
+  if(!wifiManager.autoConnect()) {
     Serial.println("failed to connect and hit timeout");
     //reset and try again, or maybe put it to deep sleep
     ESP.reset();