Re: iOS app erratically freezing up when loading audio files

2020-09-30 Thread Andreas Bergendal via use-livecode
Unfortunately, it didn’t work. It actually crashes the app in Simulator after 
doing it twice(!).

On the first go, it's loading the audio file, by first setting the path to 
empty, then to the actual path. All is fine.
Going back to gallery card, the player is stopped and deleted (as intended, 
mobileControlDelete).
Repeating the procedure a second time (go to profile card (same or other), 
create new player, load the audio file) now crashes the app every time, at the 
stage of loading the real path.

This is another flavour of strange, but a step backwards.

I think we’ll try with other audio formats than mp3, to see if it makes any 
difference...

If anyone has time, an iPad and interest in taking part in testing, I can 
invite you via TestFlight (my client approves). 

J. Landman Gay via use-livecode 
Some video problems can be solved by setting the filename of the player to 
empty, waiting a few milliseconds, and then setting the new filename.


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Re: iOS app erratically freezing up when loading audio files

2020-09-30 Thread Andreas Bergendal via use-livecode
Thanks Jacqueline, I’ll try that!

I use LC business 9.6.1 stable, Xcode 11.3.1


J. Landman Gay via use-livecode 

 Tue, 29 Sep 2020 22:17:57 -0700 

Some video problems can be solved by setting the filename of the player to 
empty, waiting a few milliseconds, and then setting the new filename. I'm not 
sure it will work in this case but it's worth a try.
Also, if you aren't using the latest version of LC, try that.
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Re: iOS app erratically freezing up when loading audio files

2020-09-29 Thread J. Landman Gay via use-livecode
Some video problems can be solved by setting the filename of the player to 
empty, waiting a few milliseconds, and then setting the new filename. I'm 
not sure it will work in this case but it's worth a try.


Also, if you aren't using the latest version of LC, try that.

--
Jacqueline Landman Gay | jac...@hyperactivesw.com
HyperActive Software | http://www.hyperactivesw.com
On September 29, 2020 3:48:55 PM Andreas Bergendal via use-livecode 
 wrote:



Hi folks,

I really need your help now. I’m developing a simple app for a client, to 
be run on iPads in an exhibition starting 8th Oct. It consists of two cards:

a gallery card, with 16 photos
a profile card which you go to by clicking a photo on the gallery card

On the profile card this is loaded:
the photo again, larger
a short text in a field
an audio file (mp3), which starts playing

All resources are included in file folders with the app, no internet 
needed. The audio files are central to the app. They are recordings of 
people on Guernsey speaking Guernesiais, and sizes range from 1.6Mb to 2.6Mb.


In iOS a player is created with mobileControlCreate, and the audio 
controller is visible, so the user can pause, fast fwd etc.


The app design and coding is done and it works perfectly in the IDE, as Mac 
standalone (with standard player) and in the iOS simulator (iOS 13.3).


It works on the client’s iPads too (iOS 13.6), but irregularly freezes 
(rarely crashes), preventing further interaction until the app is killed 
and restarted. The freeze occurs at (or during)

”mobileControlSet "voicePlayer", "filename", sAudioPath”

In the simulator I get a crash (app quits) if I don’t put ”wait 20 ticks 
with messages” after setting the file path, but never a freeze. I’ve tried 
to give the audio loading a full second wait, in case iPads are slower than 
simulator, and it prevents crash but not the random freezing.


The iPad user can sometimes load the same profile (or different ones, we 
see no pattern) 30-40 times before freeze occurs, sometimes just 3. So it 
doesn’t seem to have anything to do with cache build-up or so.


So, has anyone experienced similar problems with playing mp3 files on iOS?
Any obvious pitfalls?

The frustrating thing is that I cannot reproduce the problem in simulator 
(it works perfectly there), and have no iPad myself to hook up for Remote 
debugging. So I have to try various solutions, then upload a new build to 
TestFlight and wait for the client’s ”Sorry, it’s still freezing randomly”…


Help!

Hopeful greetings,
Andreas
WhenInSpace

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iOS app erratically freezing up when loading audio files

2020-09-29 Thread Andreas Bergendal via use-livecode
Hi folks,

I really need your help now. I’m developing a simple app for a client, to be 
run on iPads in an exhibition starting 8th Oct. It consists of two cards: 
a gallery card, with 16 photos
a profile card which you go to by clicking a photo on the gallery card

On the profile card this is loaded:
the photo again, larger
a short text in a field
an audio file (mp3), which starts playing

All resources are included in file folders with the app, no internet needed. 
The audio files are central to the app. They are recordings of people on 
Guernsey speaking Guernesiais, and sizes range from 1.6Mb to 2.6Mb.

In iOS a player is created with mobileControlCreate, and the audio controller 
is visible, so the user can pause, fast fwd etc. 

The app design and coding is done and it works perfectly in the IDE, as Mac 
standalone (with standard player) and in the iOS simulator (iOS 13.3). 

It works on the client’s iPads too (iOS 13.6), but irregularly freezes (rarely 
crashes), preventing further interaction until the app is killed and restarted. 
The freeze occurs at (or during)  
”mobileControlSet "voicePlayer", "filename", sAudioPath”

In the simulator I get a crash (app quits) if I don’t put ”wait 20 ticks with 
messages” after setting the file path, but never a freeze. I’ve tried to give 
the audio loading a full second wait, in case iPads are slower than simulator, 
and it prevents crash but not the random freezing.

The iPad user can sometimes load the same profile (or different ones, we see no 
pattern) 30-40 times before freeze occurs, sometimes just 3. So it doesn’t seem 
to have anything to do with cache build-up or so. 

So, has anyone experienced similar problems with playing mp3 files on iOS?
Any obvious pitfalls? 

The frustrating thing is that I cannot reproduce the problem in simulator (it 
works perfectly there), and have no iPad myself to hook up for Remote 
debugging. So I have to try various solutions, then upload a new build to 
TestFlight and wait for the client’s ”Sorry, it’s still freezing randomly”…

Help!

Hopeful greetings,
Andreas 
WhenInSpace

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