set feinfo to None when no valid service is available

[vuplus_dvbapp] / lib / python / Screens / Scart.py

diff --git a/lib/python/Screens/Scart.py b/lib/python/Screens/Scart.py
index 50e65f1..3bb2ca9 100644 (file)
--- a/lib/python/Screens/Scart.py
+++ b/lib/python/Screens/Scart.py
@@ -13,11 +13,13 @@ class Scart(Screen):
                
                self.avswitch.setInput("SCART")
                
-               self.onShown.append(self.showMessageBox)
+               self.onExecBegin.append(self.showMessageBox)
                                
        def showMessageBox(self):
+               # only open messagebox on first execBegin
+               self.onExecBegin.remove(self.showMessageBox)
                self.session.openWithCallback(self.switchToTV, MessageBox, _("If you see this, something is wrong with\nyour scart connection. Press OK to return."), MessageBox.TYPE_ERROR)
                
-       def switchToTV(self, val):
+       def switchToTV(self, *val):
                self.avswitch.setInput("ENCODER")
-               self.close()
\ No newline at end of file
+               self.close()