Black Mirror

屏幕关闭YouTube，在后台运行YouTube时节省电量

Black Mirror will cover screen by the black overlay.

Help save battery when running YouTube on the background which cannot turn off screen.

You can play and listen to your favorite videos with the screen turned off.

Why Black Mirror can save your battery?

- It adjusts screen's brightness to minimum

- It covers screen by black color, this will save battery maximum, especially on the devices use AMOLED display (such as Samsung smartphones).

Features

- Sleep Timer: set the countdown timer.

At the end of the countdown, Sleep Timer will stop YouTube and go Home-screen.

Your phone screen will be off after a duration time which depends on system settings.

How to use Black Mirror?

1. Open any YouTube videos you want to run on the background.

2. Open the app and turn on it (tap to Enabled switch).

3. Click on Black Mirror on notifications panel.

Required permissions

- Draw over other apps: in order to simulate screen off.

Hope this app helps you save battery while using smartphone :-)