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With the removal of notification-area, what program now handles those few applications still using it?

My use case is the following: I have a legacy application in my start up applications that requires the notification area to be running before it can start up (otherwise I get an error about no system tray being around). Therefor I had written a little bash script that checked every few seconds whether notification-area was already in the running programs and if so, it would start up the program.

What program would be the new one to check for?

PS: I realize I could also add a sleep for x seconds and then just run the program regardless, but I see that as an ugly workaround.

Note: This question isn't about allowing the icon to be shown, I have set that setting to all the first day I started using Unity. This is about my program starting up before the program that handles the notification area and thus failing because there is simply no systray yet.

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2 Answers 2

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Unity actually is the program that runs the system tray. If you can read code, you may be able to see it for yourself here.

Supposedly gnome-session 3 will automatically run startup in different phases so the panel & desktop would load before any applications which might fix your issue.

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  • Based on this, I went on to assume that the process in question is unity-panel-service. Checking for this before starting up the program seems to be enough, but that could also be due to it simply starting up late enough. Either way, marked as solved.
    – Ward Muylaert
    May 3, 2011 at 12:16
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I think gsettings handles it.

To enable the Notification Area (Systray) for all applications, run the following command:

gsettings set com.canonical.Unity.Panel systray-whitelist "['all']"

for gui: 

sudo apt-get install dconf-editor

Source

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  • This is not what I am looking for. gsettings is a backend for various settings for a program. What I want is the name of the program actually showing the notification icons. For example, indicator-datetime is the program that has to run to show the clock in the panel. Similarly there must be a program that runs to show those notification icons.
    – Ward Muylaert
    May 2, 2011 at 12:01
  • Ok. I see. I am not aware of that program. Having said that, I am using an application, davmail, which does not have updated app-indicator icons. The davmail icon only shows up if I set the gsettings to 'All'. This leads me to believe that whatever program is behind the notification, its still there, only restricted to show whitelisted applications.
    – Ubuntuser
    May 2, 2011 at 12:13
  • Well, the program used to be called notification-area if I remember correctly, which now doesn't run at all. So there has been some change under the hood, it either got renamed or replaced by a similar program. That new name is the one I need.
    – Ward Muylaert
    May 2, 2011 at 12:19
  • indicator-applet-complete may be the one. The description here says " Indicator-applet is an applet to display information from various applications consistently in the GNOME panel. This instance will load all indicators in a single panel applet."
    – Ubuntuser
    May 2, 2011 at 12:22
  • Hang on! i think this one is more appropriate. indicator-application : A library and indicator to take menus from applications and place them in the panel.
    – Ubuntuser
    May 2, 2011 at 12:24

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