Camera button launches default camera when locked, Sony camera when unlocked

I want to launch the Sony camera app in both cases.

The phone is a Sony Xperia 1 V XQ-DQ54 pdx234. The Sony camera app is named Photography Pro.

Sony camera in-app setting “Launch with shutter button” is on by default. Trying to turn it off crashes and restarts the app. It’s always on.

System setting “Camera button / Launch camera” is on.

These permissions for Sony camera app are on:

  • disable your screen lock
  • run foreground service
  • run foreground service with the type ‘camera’

After disabling the the default camera’s in-app setting “Show camera when locked”, neither camera launches when locked. Sony camera still launches when unlocked. Now, after re-enabling the default camera’s “Show camera when locked”, nothing launches when locked. I don’t know why it broke. Restarting the phone doesn’t fix it. Uninstalling the Sony camera app fixes it, but reinstalling breaks it again, and nothing launches when locked again.

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