If you say "toggle flashlight" without the flashlight attached, you will see.
But if you attach flashlight before launch this app you will see permission dialog box. You need to give this app permission to access USB. This dialog won't appear again if permission is granted.
When permission is granted you will see "Flashlight toggled" and flashlight will be on. You can simply say "ok glass, toggle flashlight" again to turn it off.

This guide was first published on Apr 23, 2014. It was last updated on Apr 23, 2014.

This page (How to activate flashlight) was last updated on Apr 22, 2014.

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