Every so often, seemingly random, this notification appears in my notification bar, but not in the tray.
The circles on the left in the notification bar. I have no clue what it's related to. There's no notification if I slide the tray down. It doesn't stay long, about the time I check for it in the notification tray, it's gone. I develop for my phone. Would anything on the development side of things trigger this weird notification?
It's a Samsung Galaxy S3 running CyanogenMod nightlies, specifically 10.1-20130405-NIGHTLY-d2spr which is Android 4.2.2.
I've noticed that this appears very consistently when I have Moon+ Reader open. It does not appear to be a notification caused by that app, but instead appears to be that the app is somehow "muting" notifications that happen while it is open. Is there something in the API that allows for the silencing of notifications originating from other apps?