This is being caused by Unity bug where locking the phone after launching the app for the first time does not provide the app with the proper signal to suspend, thus the camera service stays running
https://bugs.launchpad.net/ubuntu/+source/unity8/+bug/1491034
This is being caused by Unity bug where locking the phone after launching the app for the first time does not provide the app with the proper signal to suspend, thus the camera service stays running
https:/ /bugs.launchpad .net/ubuntu/ +source/ unity8/ +bug/1491034