My phone has Android 4.0.4 (ICS). Now, I use several apps for reading like browser, Wikipedia, Adobe Reader, etc. Only Adobe has a screen dimmer setting.

Is there an app or setting that allows me to stop the screen from turning off while I have any of these apps open for reading?

2 Answers 2


That's one of the many things Tasker does for me, with a quite simple profile:

  • Condition: App (select your browser, reader, etc., multiple apps can be selected simultaneously)
  • Task: Display-Timeout (all sliders to max = never)

Optionally, you also can adjust screen brightness. Then, as soon as one of the selected apps is running in the foreground, that action triggers – the screen won't turn off anymore. When you bring another app in front which was not selected with your condition, Tasker reverts to the previous state automatically.

Of course, there are also several apps available just doing that and nothing else; but having one app () that can doing this and so much more, I forgot about them long ago...


Found this while searching for info on how to prevent screen dimming in KOReader. In KOReader in top settings > Settings (Cogwheel icon) > Screen > with Automatic Dimmer enabled it is possible to set Idle time for dimmer to a custom value.

Disabling Automatic Dimmer did not result in the screen not dimming, since it seems KOReader then was following general system settings for which I wanted to keep screen dimming.

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