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I'm trying to curtail idle phone and tablet use. This article proposes making your phone boring by making it display in grayscale.

Most phones (including mine) let you render everything in greyscale for accessibility reasons. However, there are certain apps I that want to use in full color. So I'm looking for an Android app that allows me to pick and choose exactly which apps are drawn in grayscale. Does such an app exist? More specifically:

  • It's okay if my phone has to be rooted.
  • I don't care whether or not system overlays (e.g. the battery indicator, notifications) are drawn in color or not.
  • It's okay if my home screen isn't affected; I'll just use a grey background and icon set.

If no such apps exist, which APIs could I use to write my own?

  • You can probably get Tasker to do this. – aBochur Mar 9 '18 at 2:49
  • @ABochur This? – JesseTG Mar 9 '18 at 15:21
  • yes but it's an app that needs some know on how to work it. – aBochur Mar 9 '18 at 16:14
  • I'll give it a try and will report back if it helps me solve my problem. I'm not ready to call it an answer yet, but thank you all the same. – JesseTG Mar 9 '18 at 20:27
  • It's not an answer at all, as Tasker is an app that helps you automate almost anything on your phone. As long as you know how to use it, you can do some cool stuff with it. – aBochur Mar 9 '18 at 20:43

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