Release exported dbus object #6127

lib/sugar/activity/activity.py

@@ -54,6 +54,7 @@ import traceback
 
 import gtk, gobject
 import dbus
+import dbus.service
 import json
 
 from sugar import util        
@@ -872,6 +873,9 @@ class Activity(Window, gtk.Container):
         else:
             self.destroy()
 
+        # Make the exported object inaccessible
+        dbus.service.Object.remove_from_connection(self._bus)
+
     def __realize_cb(self, window):
         wm.set_bundle_id(window.window, self.get_bundle_id())
         wm.set_activity_id(window.window, str(self._activity_id))