Originally Posted by
tickerguy I have an application (which I wrote) that has multiple notification classes (an Oreo+ thing) that has started doing this across multiple devices -- all running Oreo or later, including some running Pie.
It is an extremely serious mater in my case because there are "alarm" conditions that users want to be alerted to on audio even if in "DND" mode, and thus they create an override channel for that. Well, when the bug hits you get only a pop-up and (if set) vibration -- no audio.
It LOOKS like something is going wrong with the audio vectoring (Android can send it to a Bluetooth device, etc) but I've not been able to identify exactly where it's going, despite being able to recreate it on multiple devices - none of them Blackberry devices either. The common thread is that they're all Oreo or Pie devices; everything before that is fine.
Reboot, and it clears. I'm actively trying to figure out what triggers it (because I may then be able to get around the problem) but so far.... no joy on that.