Added methods to remove service UUID from BLEAdvertising (#8747)

* Modified 'BLEAdvertising.h' & 'BLEAdvertising.cpp'

Added three methods for removing service UUID from BLEAdvertised

* Update BLEAdvertising.cpp

Changed 'i' to 'index'

---------

Co-authored-by: Jan Procházka <90197375+P-R-O-C-H-Y@users.noreply.github.com>

Author: dpnebert

libraries/BLE/src/BLEAdvertising.cpp

@@ -79,6 +79,41 @@ void BLEAdvertising::addServiceUUID(const char* serviceUUID) {
 } // addServiceUUID
 
 
+/**
+ * @brief Remove a service uuid to exposed list of services.
+ * @param [in] index The index of the service to stop exposing.
+ */
+bool BLEAdvertising::removeServiceUUID(int index) {
+	
+	// If index is larger than the size of the
+	// advertised services, return false
+	if(index > m_serviceUUIDs.size()) return false;
+	
+	m_serviceUUIDs.erase(m_serviceUUIDs.begin() + index);
+	return true;
+}
+	
+/**
+ * @brief Remove a service uuid to exposed list of services.
+ * @param [in] serviceUUID The BLEUUID of the service to stop exposing.
+ */
+bool BLEAdvertising::removeServiceUUID(BLEUUID serviceUUID) {
+	for(int i = 0; i < m_serviceUUIDs.size(); i++) {
+		if(m_serviceUUIDs.at(i).equals(serviceUUID)) {
+			return removeServiceUUID(i);
+		}
+	}
+	return false;
+}
+	
+/**
+ * @brief Remove a service uuid to exposed list of services.
+ * @param [in] serviceUUID The string of the service to stop exposing.
+ */
+bool BLEAdvertising::removeServiceUUID(const char* serviceUUID) {
+	return removeServiceUUID(BLEUUID(serviceUUID));
+}
+
 /**
  * @brief Set the device appearance in the advertising data.
  * The appearance attribute is of type 0x19.  The codes for distinct appearances can be found here:

libraries/BLE/src/BLEAdvertising.h

@@ -51,7 +51,10 @@ class BLEAdvertising {
 public:
 	BLEAdvertising();
 	void addServiceUUID(BLEUUID serviceUUID);
-	void addServiceUUID(const char* serviceUUID);
+	void addServiceUUID(const char* serviceUUID);	
+	bool removeServiceUUID(int index);
+	bool removeServiceUUID(BLEUUID serviceUUID);
+	bool removeServiceUUID(const char* serviceUUID);	
 	void start();
 	void stop();
 	void setAppearance(uint16_t appearance);