/// <summary>
/// If already registered, remove an app event listener from this event's list of listeners.
/// </summary>
/// <param name="listener">An instance of a listener component in the current scene.</param>
/// <returns>Returns whether or not the listener was unregistered successfully.</returns>
public bool UnregisterListener(AppEventListener listener)
{
if (listener == null)
{
return(false);
}
if (listeners.Contains(listener))
{
return(listeners.Remove(listener));
}
return(false);
}
/// <summary>
/// If not already registered, add an app event listener to this event's list of listeners.
/// </summary>
/// <param name="listener">An instance of a listener component in the current scene.</param>
/// <returns>Returns whether or not the listener was registered successfully.</returns>
public bool RegisterListener(AppEventListener listener)
{
if (listener == null)
{
return(false);
}
if (!listeners.Contains(listener))
{
listeners.Add(listener);
return(true);
}
return(false);
}
