How to detect missing connections?

snapcraft
1

I have an app that depends on the hardware-observe and raw-usb connections being made. But how can I detect if it’s connected in code?

Because right now my app just hangs, if the connection is missing.

Can I perhaps prevent the start of the app if not all connections are made?

2

Have a look at the documentation: https://snapcraft.io/docs/using-snapctl#heading--interface-connections

3

Thank you! How did I miss that…

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