Unity Launcher integration and quickly run... fail

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http://askubuntu.com – I'm trying to use the uniy launcher with progress bar.. but it doesn't work.. I just followed the first example on http://www.youtube.com/watch?v=wqGfsgz1Sl4&list=UUWUDCz-Q0m4qK7lkK4CevQA... and watched the code of the hello-unity ppa ... trying integration in my apps.. and it doesn't work. What I did: added from gi.repository import Unity; added self.launcher = Unity.LauncherEntry.get_for_desktop_id ("protoborsa.desktop") in the init code of my window application. added launcher.set_property("progress", 0.42) after my application is displayed added launcher.se (HowTos)