tldr; How to temporarily disable auto screen lock on your iPhone.
One of the best and worst things about iPhone's IOS is its obsessive security. While it is possible to disable auto screen lock completely (not a good idea, IMHO) there is very little middle ground. The longest settable time before the screen locks on you is 5 minutes. And there is no obvious way to temporarily disable auto lock if you are doing something like reading a recipe off the screen.
But it turns out, there IS a back-door way to do this! It's through the Accessibility feature (and boy, is that non-intuitive to configure). It has to be set up per individual app, but once it's done all you have to do is triple-click the home button to lock the screen on. It's a little harder to turn it off (due to afore-mentioned obsessive Apple security) but it's a heck of a lot faster than descending through the Settings menu to turn auto lock off and on every time you want to do this.
STEP 1) ENABLE ACCESSIBILITY AND GUIDED ACCESS
Settings->General->Accessibility->Accessibility Shortcut
toggle ON
click through and uncheck all options except Guided Access
Settings->General->Accessibility->Guided Access
toggle ON
Passcode Settings [required to get out of Guided Access mode]
set simple passcode [not the same as regular iPhone password]
Enable TouchID
STEP 2) FOR EACH APP you want to use this feature on
- Open the App
- Triple-click Home to trigger accessibility mode
- Select Options in lower right corner
- Toggle ON the Sleep/Wake Button
I'm finding this incredibly useful in the Photos app. I'm playing a puzzle game (The Witness) and occasionally I find it helpful to take a snapshot of a puzzle and refer to it when solving the next puzzle. This is a lot more useful if the picture you are referring to doesn't keep going dark. I also plan to use this for my shopping list app and of course my all-purpose journal and notes app for things like recipes.
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