Lux Auto Brightness

Lux Auto Brightness

50,000 - 100,000 downloads

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Pros
  • Create brightness profiles
  • Lots of features
  • Auto-brightness detector using light sensor
Cons
  • We didn't find any, did you?
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Expert's Review
9.0
Awesome

"Smart battery saving"

Reviewed by / Apr 27, 2012

Lux is a custom auto-brightness app that adjust it depending on the brightness of your environment

Smartphones screens are now larger while batteries don't keep it up. For this reason, we need to make an effort by keeping track of those features that leak battery most. The jewel of the crown of battery draining is, of course, screen brightness. Lux is an app that comes to automatize brightness preferences depending on the environment.

It works by linking the brightness of your surroundings (ambient light) with the brightness of your device's display. The ambien light is obtained via the light sensor installed on your device (usually above the display). From the dashboard you can produce linked samples (profiles), toggle astronomer and night modes and access to preferences.

Likewise, you can create different levels depending on the amount of ambient light that camera catches, which is quite util for a more accurate performance. There are other extra features like: keeping the brightness 100% while charging, a handy widget for an easy management (enable/disable automatic mode, switch between profiles, etc.)

The main catch is that its free version is almost a demo since it is quite restricted. Anyway, the app is worth and if after giving it a go you like it, you can upgrade to the paid version which costs just AU $1.49.

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Developer's original description available here
The original custom auto brightness solution for Android.

"To put it simply, Lux kicks the pants off of Android’s stock brightness manager, and it’s worth every cent." - Lifehacker

"Lux is a third-party app that allows you to easily calibrate your phone’s brightness sensor, saving you battery power and reducing eye strain if your phone is normally too bright in dark rooms." - HowToGeek

Lux isn't your ordinary brightness app. It intelligently adjusts the brightness of your display based on the environment you're in. If you step into a dimly lit room, Lux will automatically lower the brightness of your display to make it not only comfortable to read, but to also preserve battery power.

Lux is also able to adjust the screen temperature of your display automatically to make it appropriate for night usage. At sunset, you can have Lux automatically warm your display and switch to your Night profile. If you're an astronomer, you can enable astronomer mode to cut out harsh white light. If you have a root enabled phone, you may even be able to apply these enhancements at a low level with Lux's plug-in system.

Perhaps the best thing about Lux is that you can teach it how to behave. If the backlight is too bright or dim for your liking, simply open the provided Dashboard, adjust the brightness slider to the level you desire, then hold the link button. Lux will use this new 'link' as a reference in future.

Give it a go! I want you to test Lux for more than the 15 minute refund period offered by Google. I understand that some devices may not have the best quality light sensor, and that you may need more time to play around with settings. If you find that Lux doesn't suit you after the 15 minutes is up, you can request a refund within a week of purchase via e-mail - no questions asked.

FEATURES
■ Stable, custom auto brightness with root plug-in support.
■ Use your ambient light sensor or camera(s) to read in ambient light.
■ Subzero brightness for night viewing.
■ Select between Auto, Day, Night, Car and Cinema light profiles
■ Automatic night mode. Change the colour temperature of your display for comfortable night time viewing.
■ Astronomer mode. Adds a red filter to your display to preserve the eyesight of stargazers.
■ Power-user settings such as choice of interpolation, filters, and linked sample editing.
■ Add app specific exceptions via sleep mode. NOTE: This is broken in Android 5.0 due to API changes beyond my control.
■ Customisable fade for backlight adjustments.
■ Tasker and Locale support
■ Battery efficient.
■ Backup to SD.
■ No ads or other nuisances.

Note: Please disable other brightness apps before using Lux. The author is not liable for any issues caused when using this app.

Want Lux in your language? Join the translation project here:
http://crowdin.net/project/lux-auto-brightness

PERMISSIONS
TAKE PICTURES AND VIDEOS: Used to read in luma values if camera input is selected.

DRAW OVER OTHER APPS: Required for night/astro mode.

READ PHONE STATE: Required to prevent Lux from interfering with phone controls in Android 4.1.

MODIFY SYSTEM SETTINGS: Brightness is a system setting, as is toggling the default auto brightness.

RETRIEVE RUNNING APPS: Required to make the 'sleep list' functionality work, so Lux can disable itself when certain apps are in the foreground.

COARSE LOCATION: Required to automatically calculate sunrise/sunset times.

Need assistance? Have questions? Contact me via the 'Send Feedback' button in Lux settings, or via email at vcas720@gmail.com.

Recently changed in this version

Interim update!

- Added CF.lumen support (don't need CF.lumen active, just install the driver). Acts as a plug-in for all Android 4.4+ devices. Please buy the pro version to support his work.
- System autobrightness enabled during calls
- Option to shake at lockscreen to increase brightness
- Option to prevent drop in brightness in landscape
- Enforced persistent notification, added system removal method
- Fixed dashboard width issue
- Fixed notification priority resetting at boot
- Misc. fixes


Lists with Lux Auto Brightness

Some lists where this application appears: Reviewed by Emmanuel Lund.

Comments and ratings for Lux Auto Brightness
  • (72)

    by john Smith on 05/12/2014

    I live in sunny Arizona. The outside light is usually very bright compared to indoors. This solved my problem.

  • (72)

    by Evan Maulana on 05/12/2014

    This app prevent accessibility service to works on Lollipop ( cannot put them to "ON" ) i don't know why.. And sometimes prevent to touch "install" when i want to install some apk file.. Fix this and 5 star will be yours.. I hope this is just me, but i saw another report with same problem. Thinking for refund if dev don't take any action about this.. Fix it please..

  • (72)

    by Victorias Egret on 05/12/2014

    Have to give this a 5 for functionality - it works. A 1 for a notification that's always on. Apps like this render notifications useless

  • (72)

    by Alex K on 03/12/2014

    How am I supposed to dim the screen in to subzero when I'm using CF.lumen?

  • (72)

    by Allan Cheong on 03/12/2014

    Very good.

  • (72)

    by Roy Blumenthal on 02/12/2014

    My girlfriend has a theory that electronic screens in bed are bad, cos they disrupt sleep. This app is one of those 'outta sight, outta mind' tools. Because I can take the brightness level right down to almost-invisible, she doesn't even know I'm reading. And my eyes don't burn out of my skull. Win win. EDIT: One year later, and Lux remains one of the first apps I install on any device. Brilliant.

  • (72)

    by Paul Monlezun on 02/12/2014

    With Lux (Pro or Lite) installed on my phone or tablet, somehow I am prevented from sideloading apps, including from the Amazon store. I have to manually stop the app from running if I want to add a new app. This is something you need to fix ASAP. I have the latest version available as of December 1 2014