Protect your eyes in dark environment.
Lower screen light.
Simple Intuitive Useful.

Features:
Quickly control in notification.
Automatically dim and brighten as environment.
One click icon to switch dim and bright.
Auto launch at the specific time.
Support color filter.

Keywords : Dimmer brightness screen light night mode.

Permissions:
WRITE_SETTINGS: change system brightness
SYSTEM_ALERT_WINDOW: make screen darker
RECEIVE_BOOT_COMPLETED: auto launch after reboot (only works in time mode)
GET_TASKS: exclude specify app from auto launch (only works in auto mode)

Support Tasker: receive broadcast with these actions to control Dimmer
giraffine.dimmer.TOGGLE_ON_OFF
giraffine.dimmer.TOGGLE_PAUSE_RESUME
giraffine.dimmer.STOP
giraffine.dimmer.STEP_UP
giraffine.dimmer.STEP_DOWN
e.g. Add Tasker command: Action Category → Misc → Send Intent → Action

Dimmer Develop Group http://goo.gl/03dsL1
Help refine and translate into your language.
Welcome to contribute Dimmer open source project.

Known issues:
Apk installation failed: Android disable the installation whenever any app with permission SYSTEM_ALERT_WINDOW is active.
Some devices are not support disable physical button backlight.