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CF.lumen 아이콘

CF.lumen

3.74 for Android

CF.lumen에 대한 설명

CF.lumen adapts the colors on your Android device based on the position of the sun, or your custom configuration.

NOTE: Android 5.0 is now required. Versions up to v3.16 that support 4.4 KitKat are still available from the XDA thread (see far below). Performance drop since v3.60? Turn on performance mode.

When using the default settings, your display will get a warmer tint (lower color temperature) when the sun is down, vastly reducing strain on the eyes. Blue light makes your brain want to stay awake, and a lower color temperatures reduces the amount of blue displayed; using this in the evening reduces your brain's effort to keep you awake at night.

During sleeping hours by default a red filter is used. Red strains your eyes the least, and retains your night vision.

Light sensor

The light sensor can be used to automagically adjust the color: switch to the sleep filter in full dark, or to the day filter (usually none) under bright lights.

Because light sensor quality varies wildly between devices, a calibration option is provided to experiment with.

Color filters

Several filters are provided. Those named after a color (red, green, blue, ...) do not limit the display to those colors, but convert the displayed image to grayscale first, then display that image in levels of the selected color. This preserves details that would otherwise be lost.

Grayscale, invert colors, temperature adjustment and custom R/G/B adjustment filters are also provided.

Colorblindness

The master color filter setting also has an option for colorblindness enhancement, with settings for protanopia/anomaly, deuteranopia/anomaly and tritanopia/anomaly. These options in theory enhance clarity and color detail.

No claims are made to the effectiveness of these filters. These filters were thought up by Google engineers, CF.lumen just includes them.

Pro version

Upgrading to CF.lumen Pro will support my developments, remove all nags, unlock the option to start at device boot (make sure you test your configuration first), and unlocks notification options. It also enables Tasker integration.

In Pro mode, the notification adds convenient buttons to quickly disable the current filter or switch to sleep mode, and you can switch the notification to when enabled mode, which shows the notification only when a color filter is active.

In non-Pro mode, the notification only asks you to upgrade to Pro. It may seem that notification is just there to annoy you, but it actually prevents Android from randomly killing the background service taking care of all the work. Getting rid of it without getting the service killed can be done by going to Settings -> Apps -> CF.lumen and unticking Show notifications.

Having Chainfire3D Pro (ancient) installed will enable Pro.

Performance

When no color filter is active, there should not be any noticeable performance impact. When a filter is active, impact depends on device and what you are doing. On some devices we have tested there was no performance impact at all, on others it was slightly noticeable. It also depends on the driver in use.

Future

Keep in mind that Android's rendering system changes over time. You should be aware that this app may simply stop working on future Android versions without the possibility of a fix.

Scary permissions

By far most permissions are used only for Google Maps to set your location, and Google Play to provide for In-App Purchases. I cannot make any claims as to what information the Google components do or do not send to Google servers, but no information is sent to me or anyone else (than Google).

More

Advanced user more information, discussion, and support, can be found in this app's thread on XDA-Developers: http://forum.xda-developers.com/showthread.php?p=51779367
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CF.lumen 3.74 업데이트

2020-12-27
Bare minimum(!) to somewhat support rooted users on Android 11. Rootless and injection driver have been removed as they are currently incompatible.

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Additional Information

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이전 버젼
  • V3.74 1.2 MB APK

    CF.lumen

    2020-12-27

    CF.lumen 3.74 (374)

    -에 업데이트: 2020-12-27

    Uploaded by: Mg Khuta

    안드로이드 필요: Android 5.0+ (Lollipop, API 21)

    서명: 4c1e2c7f9b288ecee81a193f8f917e5076a0621d CF.lumen 3.74(374) 안전확인

    Screen DPI: 160-640dpi

    Architecture: arm64-v8a, armeabi, armeabi-v7a, mips, mips64, x86, x86_64

    파일 SHA1: efdd4a558593e1a3711b2c3fc44be80b9b394643

    파일 크기: 1.2 MB

    새로운 것:

    다운로드

  • V3.70 1.9 MB APK

    CF.lumen

    2017-02-10

    CF.lumen 3.70 (370)

    -에 업데이트: 2017-02-10

    Uploaded by: Bruno Teixeira

    안드로이드 필요: Android 5.0+ (Lollipop, API 21)

    서명: 4c1e2c7f9b288ecee81a193f8f917e5076a0621d CF.lumen 3.70(370) 안전확인

    Screen DPI: 160-640dpi

    Architecture: universal

    파일 SHA1: 9e5841be3fc5d7d0910451f08aa1ce668bc1d24c

    파일 크기: 1.9 MB

    새로운 것:

    다운로드

  • V3.66 1.9 MB APK

    CF.lumen

    2016-03-31

    CF.lumen 3.66 (366)

    -에 업데이트: 2016-03-31

    Uploaded by: Prathan Ananrit

    안드로이드 필요: Android 5.0+ (Lollipop, API 21)

    서명: 4c1e2c7f9b288ecee81a193f8f917e5076a0621d CF.lumen 3.66(366) 안전확인

    Screen DPI: 160-640dpi

    Architecture: universal

    파일 SHA1: 365d48c09adec674b11a7a2795847b761d98bfe5

    파일 크기: 1.9 MB

    새로운 것:

    다운로드

  • V3.65 1.9 MB APK

    CF.lumen

    2016-03-01

    CF.lumen 3.65 (365)

    -에 업데이트: 2016-03-01

    Uploaded by: Irvin Yair Arreaga

    안드로이드 필요: Android 5.0+ (Lollipop, API 21)

    서명: 4c1e2c7f9b288ecee81a193f8f917e5076a0621d CF.lumen 3.65(365) 안전확인

    Screen DPI: 160-640dpi

    Architecture: universal

    파일 SHA1: 47f68e914088ef707870b39e2ac8a229b9e2a2ee

    파일 크기: 1.9 MB

    새로운 것:

    다운로드

  • V3.62 1.0 MB APK

    CF.lumen

    2016-02-18

    CF.lumen 3.62 (362)

    -에 업데이트: 2016-02-18

    Uploaded by: Prathan Ananrit

    안드로이드 필요: Android 5.0+ (Lollipop, API 21)

    서명: 4c1e2c7f9b288ecee81a193f8f917e5076a0621d CF.lumen 3.62(362) 안전확인

    Screen DPI: 160-640dpi

    Architecture: universal

    파일 SHA1: a9fdeb6341bfcb2993f53e941427de7bb3743b86

    파일 크기: 1.0 MB

    새로운 것:

    다운로드

  • V3.61 1.0 MB APK

    CF.lumen

    2016-02-17

    CF.lumen 3.61 (361)

    -에 업데이트: 2016-02-17

    Uploaded by: Irvin Yair Arreaga

    안드로이드 필요: Android 5.0+ (Lollipop, API 21)

    서명: 4c1e2c7f9b288ecee81a193f8f917e5076a0621d CF.lumen 3.61(361) 안전확인

    Screen DPI: 160-640dpi

    Architecture: universal

    파일 SHA1: 2ff2ef8a479b8744ed69a3f554255a3fa501c340

    파일 크기: 1.0 MB

    새로운 것:

    다운로드

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