public static void StartListening(OnMessageReceived MessageReceivedHandler, bool additional = false)
{
state = State.Listening;
if (!additional)
{
//Clear all
StopAll();
OnMessageReceivedHandler.Clear();
}
//Start NFC
CrossNFC.Current.StartListening();
//Handler
if (!OnMessageReceivedHandler.Contains(MessageReceivedHandler))
{
OnMessageReceivedHandler.Add(MessageReceivedHandler);
}
//Local Handlers
messageReceived = MessageReceived;
if (!(OnMessageReceivedHandler.Count > 1) || !IsListening)
{
CrossNFC.Current.OnMessageReceived += messageReceived;
IsListening = true;
}
}
public static void StartListening()
{
state = State.Listening;
if (!(OnMessageReceivedHandler.Count > 1) || !IsListening)
{
//Start NFC
CrossNFC.Current.StartListening();
//Local Handlers
messageReceived = MessageReceived;
CrossNFC.Current.OnMessageReceived += messageReceived;
IsListening = true;
}
}
public static void StopAll()
{
try
{
CrossNFC.Current.OnMessageReceived -= messageReceived;
messageReceived = null;
CrossNFC.Current.OnMessagePublished -= messagePublished;
messagePublished = null;
CrossNFC.Current.OnTagDiscovered -= tagDiscovered;
tagDiscovered = null;
CrossNFC.Current.StopListening();
CrossNFC.Current.StopPublishing();
IsListening = false;
}
catch (Exception ex)
{
}
}
