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Were you aware that Android has built-in tinting capability? It's under Display > Night Light. There's a quick tile for it too.

sitepodmatt 9y ago
I think this is vendor implemented (or maybe vendor crippled). It does not appear on Huawei android 6.0
joshuamorton 9y ago
That's only available on 7.0+ phones with hardware support (currently I think only the pixels?)
- sangnoir 9y ago
  Context (emphasis mine): >> After my Pixel updated recently to Oreo, being frustrated by a constant notification for Twilight
  - on_and_off 9y ago
    Twilight is a third party app. It draws a red layer on top of everything else. This is why the system displays a notification : it wants you to know that an app is drawing on top of everything. The system settings works very differently, it directly applies a matrix to what needs to be displayed. This is way more efficiencient since applying this matrix is basically free instead of adding one layer with alpha composition. It also allows other customizations, like adapting the screen for deuteranomaly. Ideally, Google should open the API behind this feature at some point.
- drdaeman 9y ago
  Not really. It worked for me even on old CM13 (6.0-based) on ZenFone 2. That's a custom ROM, though.
kuschku 9y ago
That is only available on the Pixels, not even on the Nexus 5X (which has similar hardware for that). Since 8.0, it is impossible to get any kind of night light on the Nexus 5X without a custom rom.
- zengid 9y ago
  I have it on my Motorola Play.
  - kuschku 9y ago
    Great, how does that help me on my Nexus 5X? Alternatively, do you get Android Preview Releases on your Motorola Play? The issue is that there’s no device suitable for development (meaning that you get preview releases, so you can fix your bugs before users have the new android) which also supports Night Light.
    - on_and_off 9y ago
      Doesn't the pixel has both night light and O ? Also, why do you need to test night light on O ?
Jedd 9y ago
I wasn't - but now I am, thanks! I have enabled it and will get to try it in 12 hours from now. Twilight has Hue integration, gentle transition, and a few other nifty features, which I'm probably not going to want to abandon - though I'm sure the native feature will gently encourage me to re-fit out my Home with a confusingly named Google product.
- eco 9y ago
  My understanding was that unless you were rooted Twilight doesn't actually filter out blue light. Instead it does a red overlay. That makes the screen brighter which lets you turn down the overall brightness resulting in less blue light but it's not as good as a true blue light filter that actually removes blue (which is what the built in support does and why it needed hardware support). Edit: And adding a little more I just read, because it uses a red overlay it red tints what was pure black pixels which isn't helpful.

sitepodmatt 9y ago

I think this is vendor implemented (or maybe vendor crippled). It does not appear on Huawei android 6.0

joshuamorton 9y ago

That's only available on 7.0+ phones with hardware support (currently I think only the pixels?)

sangnoir 9y ago
Context (emphasis mine): >> After my Pixel updated recently to Oreo, being frustrated by a constant notification for Twilight
- on_and_off 9y ago
  Twilight is a third party app. It draws a red layer on top of everything else. This is why the system displays a notification : it wants you to know that an app is drawing on top of everything. The system settings works very differently, it directly applies a matrix to what needs to be displayed. This is way more efficiencient since applying this matrix is basically free instead of adding one layer with alpha composition. It also allows other customizations, like adapting the screen for deuteranomaly. Ideally, Google should open the API behind this feature at some point.
drdaeman 9y ago
Not really. It worked for me even on old CM13 (6.0-based) on ZenFone 2. That's a custom ROM, though.

kuschku 9y ago

That is only available on the Pixels, not even on the Nexus 5X (which has similar hardware for that). Since 8.0, it is impossible to get any kind of night light on the Nexus 5X without a custom rom.

zengid 9y ago
I have it on my Motorola Play.
- kuschku 9y ago
  Great, how does that help me on my Nexus 5X? Alternatively, do you get Android Preview Releases on your Motorola Play? The issue is that there’s no device suitable for development (meaning that you get preview releases, so you can fix your bugs before users have the new android) which also supports Night Light.
  - on_and_off 9y ago
    Doesn't the pixel has both night light and O ? Also, why do you need to test night light on O ?

Jedd 9y ago

I wasn't - but now I am, thanks! I have enabled it and will get to try it in 12 hours from now. Twilight has Hue integration, gentle transition, and a few other nifty features, which I'm probably not going to want to abandon - though I'm sure the native feature will gently encourage me to re-fit out my Home with a confusingly named Google product.

eco 9y ago
My understanding was that unless you were rooted Twilight doesn't actually filter out blue light. Instead it does a red overlay. That makes the screen brighter which lets you turn down the overall brightness resulting in less blue light but it's not as good as a true blue light filter that actually removes blue (which is what the built in support does and why it needed hardware support). Edit: And adding a little more I just read, because it uses a red overlay it red tints what was pure black pixels which isn't helpful.