/// <summary>
        /// Called when the activity is destroyed.
        /// </summary>
        /// <param name="activity">The activity.</param>
        public void OnActivityDestroyed(Activity activity)
        {
            if (!ReferenceEquals(activity, _activity))
            {
                return;
            }

            var eventArgs = new ActivityEventArgs(activity);

            ActivityDestroyed.SafeInvoke(this, eventArgs);
        }
    /// <summary>
    ///     Called when an activity is destroyed.
    /// </summary>
    /// <param name="activity">The activity.</param>
    public virtual void OnActivityDestroyed(Activity activity)
    {
        ActivityDestroyed?.Invoke(this, new ActivityDestroyedEventArgs(activity));

        // Remove all views from the destroyed activity from the view cache.
        var viewCacheRemovals = MessagingServiceCore.ViewManager.ViewCache.Where(v => v.Key.Context == activity).ToArray();

        foreach (var removal in viewCacheRemovals)
        {
            MessagingServiceCore.ViewManager.ViewCache.Remove(removal.Key);
        }

        if (MessagingServiceCore.ViewManager.SnackbarAnchorViews.ContainsKey(activity))
        {
            MessagingServiceCore.ViewManager.SnackbarAnchorViews.Remove(activity);
        }

        if (MessagingServiceCore.ViewManager.SnackbarContainers.ContainsKey(activity))
        {
            MessagingServiceCore.ViewManager.SnackbarContainers.Remove(activity);
        }
    }