iOS cached Screen Flashes after Splash Image

Ralph DiMola rdimola at evergreeninfo.net
Wed Mar 14 18:24:05 CET 2018


It's interesting that the user never had this problem until last week even
on apps that have not changed. I wonder if the Apple speed throttling has
anything to do with it. The user loaded some app that shows if throttling is
in effect and his speed is now reduced by .1 mhz. I wonder if this became a
problem on older devices since Apple introduced as "App Thinning/Slicing."

Ralph DiMola
IT Director
Evergreen Information Services
rdimola at evergreeninfo.net
Phone: 518-636-3998 Ex:11

-----Original Message-----
From: use-livecode [mailto:use-livecode-bounces at lists.runrev.com] On Behalf
Of Andrew Bell via use-livecode
Sent: Wednesday, March 14, 2018 12:12 PM
To: use-livecode at lists.runrev.com
Cc: andrew at midwestcoastmedia.com
Subject: Re: iOS cached Screen Flashes after Splash Image

I don't have a clear answer for this, but just an observation: iPhone
5 was the last of the Apple 32bit hardware devices. That makes me think this
is an OS issue more than an LC issue.

--Andrew Bell


> I'm getting a very strange complaint from one user who has an older 
> iPhone 5 running iOS 11.2. When the app opens it briefly flashes the 
> last screen that was up before the app was closed. This happens in 
> between the splash page and the app's first card. The page flashed 
> page sometimes even has an "answer" dialog from a previous session!
> I can't replicate it on any of my 3 iOS devices. I also noticed that 
> Pandora and Google Maps does the same thing on my iPad Mini but on my 
> iPad or iPod. The user has two other non-LC apps that are doing the 
> cached flashing. All of the user's other apps except for LC apps and 
> two others don't exhibit the flashing behavior. I'm wondering if the 
> Apple throttle-back for older batteries is exposing: a problem with 
> LC(and other apps), an iOS bug or their device need a factory reset. 
> The last thing I want to do is have the user factory reset their 
> iPhone and have the same thing happen. Could this be an Apple bug for 
> testers that side load many versions of apps? This user has 
> side-loaded many versions to test. Then I had download a store version 
> of the app that never did it before and it's now happening but never 
> did before. I find it very strange that apps that never did this are 
> now acting strangely. I find very little in web searches on this 
> subject. The few hits I've seen were mainly Safari a couple of years 
> ago and a one or two non native Xcode "app building" platforms.
>
> Has anyone else ever seen this?
> Thanks
>
> Ralph DiMola
> IT Director
> Evergreen Information Services
> rdimola at evergreeninfo.net



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