SleepTimer app
SleepTimer is Sports & Health tool that is open source under the GPL-3.0-only license. SleepTimer is a timer, like the ones in TVs an Hifi systems. After a specified time the devicesstandby mode is activated, as if the power button was shortly touched. It doesn't matter if a video
or audio stream is played or another app tries to prevent the standby mode.
Reactivating is possible by a short press of the power button.
Features:
- permanent notification showing the remaining time until standby
- possibility to use Androids quick settings for pausing and resuming a countdown