The Google Pixel 2 XL might come with Always-On Display, previous rumors suggested. But you don't have to wait for that one to get the feature - one user at XDA found a way to run it on any rooted Android Oreo phone. A mere modification of the AmbientDisplayConfiguration.java will make the Always-On Display option to appear in Settings once "false" is changed to "true". Then the Always On Ambient Display pops up inside System UI Tuner. Many unofficial ports already enabled the feature. Google's implementation works similarly to Samsung's or LG's AOD. The...
Source: http://www.gsmarena.com/alwayson_display_available_android_oreo_rom-news-27272.php
