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Locking screen from an application

To: <ubuntu-phone@xxxxxxxxxxxxxxxxxxx>
From: Maciej Sumiński <maciej.suminski@xxxxxxx>
Date: Thu, 21 Apr 2016 13:26:43 +0200
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Is there a way to lock screen by an application? Is there a method in
SDK (I could not find one), a shell command or maybe a D-Bus call that
would do it?

I would like to have a small service that follows proximity sensor and
locks the screen when it detects an event (i.e. I hide my phone in a
pocket, or close its case).

Regards,
Orson

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