If there is a persistent notification and the user navigates to settings via the pull-down menu, the notification icon is missing from the homescreen when it returns. Similarly, a notification that is shown while the settings screen is active will not cause the notification igon to be shown after returning to the homescreen.
If there is a persistent notification and the user navigates to settings via the pull-down menu, the notification icon is missing from the homescreen when it returns. Similarly, a notification that is shown while the settings screen is active will not cause the notification igon to be shown after returning to the homescreen.
I haven't tested this with other skill GUI pages