static extern bool _gs_showActivityDetailsView(string customWindowTitle, string activityId, bool showFeedView, string commentId, Action <IntPtr> onOpenAction, IntPtr onOpenActionPtr, Action <IntPtr> onCloseAction, IntPtr onCloseActionPtr, Action <IntPtr, int> uiActionListener, IntPtr uiActionListenerPtr, Action <IntPtr, string> avatarClickListener, IntPtr avatarClickListenerPtr, Action <IntPtr, string> mentionClickListener, IntPtr mentionClickListenerPtr, Action <IntPtr, string> tagClickListener, IntPtr tagClickListenerPtr, ActionListenerDelegate actionListener, IntPtr actionListenerPtr);
static extern bool _gs_showActivityFeedView(string customWindowTitle, string feed, string filterUserId, bool readOnly, bool friendsFeed, string tagsList, Action <IntPtr, string, string> onActionButtonClick, IntPtr onButtonClickPtr, Action <IntPtr> onOpenAction, IntPtr onOpenActionPtr, Action <IntPtr> onCloseAction, IntPtr onCloseActionPtr, Action <IntPtr, int> uiActionListener, IntPtr uiActionListenerPtr, Action <IntPtr, string> avatarClickListener, IntPtr avatarClickListenerPtr, Action <IntPtr, string> mentionClickListener, IntPtr mentionClickListenerPtr, Action <IntPtr, string> tagClickListener, IntPtr tagClickListenerPtr, ActionListenerDelegate actionListener, IntPtr actionListenerPtr);