Re: iOS cached Screen Flashes after Splash Image

[Bob Sneidar via use-livecode]

That is exactly what I am seeing Colin. I use Dashlane, which has it's own 
built in browser. When I navigate away from one site and back again, I get a 
brief time where the cached page displays, even though the connection has timed 
out, and then it takes me back to a login page for that site. I think this is a 
device specific issue. If a user is used to this, I don't think it is a 
problem, unless of course the last time the site was visited, the user was 
viewing confidential data. Then it could be extremely critical! 

Bob S


> On Mar 14, 2018, at 10:27 , Colin Holgate via use-livecode 
>  wrote:
> 
> I have seen something like you’re describing with other apps, not LiveCode 
> ones. iOS 11 has a new way of doing app switching, and that uses a different 
> snapshot of the apps. Are you letting your app quit on suspend, or is it 
> still open in the background? I can imagine cases where someone switches apps 
> and will get the last app switching image iOS 11 kept. That is bound to be 
> different if the app quit on suspend.

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RE: iOS cached Screen Flashes after Splash Image

[Ralph DiMola via use-livecode]

Hey Colin,

Hope your well

It's still open in the background. It's not exiting on suspend. When the app is 
still open in the background there is no problems switching between apps. When 
the user swipes it off after the double press of the home button and then 
re-opens the app is when this cached page is flashed in between the splash page 
and the first card. I would think that the thumbnail you see after the double 
press of the home button would be the image that flashes. In many cases it is 
but not all, maybe 50-50 between the thumbnail and the some random card from 
the past. I was looking for an app bug until the user said that one of the 
flashed images had an answer dialog opened. If you reinstall the app it still 
happens. If you uninstall/reinstall the app it still happens. If you uninstall 
the app then re-boot the device and then reinstall it does not happen the first 
launch. Then if you swipe the app off and then reopen it's sometimes OK the 
first few launches then after 3 or so launches it's back other times it starts 
after the first time you swipe it off. The happens on Pandora and Google maps 
also on my iPad mini but they are fine on my old iPad 2.

Ralph DiMola
IT Director
Evergreen Information Services
rdim...@evergreeninfo.net


-Original Message-
From: use-livecode [mailto:use-livecode-boun...@lists.runrev.com] On Behalf Of 
Colin Holgate via use-livecode
Sent: Wednesday, March 14, 2018 1:28 PM
To: How to use LiveCode
Cc: Colin Holgate
Subject: Re: iOS cached Screen Flashes after Splash Image

I have seen something like you’re describing with other apps, not LiveCode 
ones. iOS 11 has a new way of doing app switching, and that uses a different 
snapshot of the apps. Are you letting your app quit on suspend, or is it still 
open in the background? I can imagine cases where someone switches apps and 
will get the last app switching image iOS 11 kept. That is bound to be 
different if the app quit on suspend.
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Re: iOS cached Screen Flashes after Splash Image

[Colin Holgate via use-livecode]

I have seen something like you’re describing with other apps, not LiveCode 
ones. iOS 11 has a new way of doing app switching, and that uses a different 
snapshot of the apps. Are you letting your app quit on suspend, or is it still 
open in the background? I can imagine cases where someone switches apps and 
will get the last app switching image iOS 11 kept. That is bound to be 
different if the app quit on suspend.
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RE: iOS cached Screen Flashes after Splash Image

[Ralph DiMola via use-livecode]

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
rdim...@evergreeninfo.net
Phone: 518-636-3998 Ex:11

-Original Message-
From: use-livecode [mailto:use-livecode-boun...@lists.runrev.com] On Behalf
Of Andrew Bell via use-livecode
Sent: Wednesday, March 14, 2018 12:12 PM
To: use-livecode@lists.runrev.com
Cc: and...@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
> rdim...@evergreeninfo.net



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Re: iOS cached Screen Flashes after Splash Image

[Andrew Bell via use-livecode]

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
rdim...@evergreeninfo.net




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Re: iOS cached Screen Flashes after Splash Image

[Bob Sneidar via use-livecode]

We have web pages that work the same way. I catch myself touching buttons in 
our time clock web app, even though I know the page has expired. 

Bob S


> On Mar 13, 2018, at 11:11 , Ralph DiMola via use-livecode 
>  wrote:
> 
> Thank Brian,
> 
> 
> 
> No, It’s when the app starts again after being closed. You get the splash 
> page, the cached page for .1 to 1 second and then the first card of the app 
> is displayed. It’s particularly noticeable because our fist card is the same 
> as the splash screen so you get splash/cached/splash. I’m getting a lot of 
> noise because the vast majority of other apps don’t exhibit this behavior.
> 
> 
> 
> Ralph DiMola

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RE: iOS cached Screen Flashes after Splash Image

[Ralph DiMola via use-livecode]

Thank Brian,

 

No, It’s when the app starts again after being closed. You get the splash page, 
the cached page for .1 to 1 second and then the first card of the app is 
displayed. It’s particularly noticeable because our fist card is the same as 
the splash screen so you get splash/cached/splash. I’m getting a lot of noise 
because the vast majority of other apps don’t exhibit this behavior.

 

Ralph DiMola

IT Director

Evergreen Information Services

rdim...@evergreeninfo.net

 

From: Brian Milby [mailto:br...@milby7.com] 
Sent: Tuesday, March 13, 2018 1:59 PM
To: How to use LiveCode
Cc: Ralph DiMola
Subject: Re: iOS cached Screen Flashes after Splash Image

 

Sounds like an OS thing. When you double tap the home, is that the screen that 
flashes? I think the OS caches the last screen for switching and throws that up 
before the splash. Apps that resume will not notice. The faster the device, the 
less likely you are to see it. At least that is my non-educated guess :)

On Tue, Mar 13, 2018 at 11:55 AM Ralph DiMola via use-livecode 
<use-livecode@lists.runrev.com> wrote:

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
rdim...@evergreeninfo.net


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Re: iOS cached Screen Flashes after Splash Image

[Brian Milby via use-livecode]

Sounds like an OS thing. When you double tap the home, is that the screen
that flashes? I think the OS caches the last screen for switching and
throws that up before the splash. Apps that resume will not notice. The
faster the device, the less likely you are to see it. At least that is my
non-educated guess :)
On Tue, Mar 13, 2018 at 11:55 AM Ralph DiMola via use-livecode <
use-livecode@lists.runrev.com> wrote:

> 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
> rdim...@evergreeninfo.net
>
>
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iOS cached Screen Flashes after Splash Image

[Ralph DiMola via use-livecode]

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
rdim...@evergreeninfo.net


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