Caffeinate

Caffeinate is an App that helps android developers to keep their phone's display awake without having to change the device settings. It can be toggled at various places: a tile in the quick settings, the place that holds the toggles for e.g. Wi-Fi and Bluetooth. Requires Android 7 or higher.

a button in the app itself

Features

Uses android's WakeLock Class with either SCREEN_DIM_WAKE_LOCK or SCREEN_BRIGHT_WAKE_LOCK lock level based on user settings

Timeout period is configurable

Switch timeouts from the quick settings tile or the button in the app. clicking them, selects the next timeout and after 1 second the timeout will start, if the quick settings tile or the button are clicked after starting, the timeout will stop.

Available timeouts are [30 seconds, 05 minutes, 10 minutes, 15 minutes, 30 minutes, 60 minutes, Ꝏ]

An option to enable the screen to dim while the WakeLock is acquired

An option to enable holding the WakeLock if the screen is locked, so that the screen will keep on after unlocking, default behaviour is that the WakeLock is released when the screen is locked

Multiple theming options [light, dark, system default and material you]