I have a Chrome OS device, and I want to programmatically lock the screen when a timer has expired (when a child has used up their available screen time). The Chromebook supports Android apps, but I can't find much information about how to do this specific to Chrome OS. I have found information about using the DevicePolicyManager LockNow Android function, which I really thought would do it - but it doesn't. It locks my Android phone just fine, but when I deploy it to my Chromebook (an Acer R 13), the line hits, continues without issue, but does nothing. I get the proper security prompt the first time to set the app as a device admin, but the LockNow code appears to do absolutely nothing despite working perfectly on my Samsung Note 9.
Does anyone know of some documentation or able to point me in the right direction? Thanks
from How can you programmatically lock a Chromebook?
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