OnePlus devices are missing a fundamental Android 10+ feature: the dark mode. Get a quick settings tile and enable a few automatic tricks to get the best from the Dark Theme.

We use the information from Sunset and Sunrise API to check the sunset and the sunrise times every day. You can also select your custom time range.

This is an open-source project feel free to help:
https://github.com/tommasoberlose/op-dark-mode