fix playService with None

diff --git a/Navigation.py b/Navigation.py
index 7e7c0f2..c453c6c 100644 (file)
--- a/Navigation.py
+++ b/Navigation.py
@@ -30,6 +30,10 @@ class Navigation:
        
        def playService(self, ref):
                self.currentlyPlayingServiceReference = None
+               if ref is None:
+                       self.stopService()
+                       return 0
+               
                if not self.pnav.playService(ref):
                        self.currentlyPlayingServiceReference = ref
                        return 0