Android ANR (App not responding | Jacque was right :-)

[William Prothero]

Klaus,
Re sheet music display, I also display sheet music, mostly jazz. There's an app, very low cost, named igigbook that displays pdfs. If you're into jazz, you can get lots of real book music and there is even an addon for changing the key for some realbook songs.

The trouble is, iGigbook is optimized for the Mac, so I'm not sure it would work for you. So, excuse me if my comment is irrelevant to your goal.

Have fun,
Bill
William A. Prothero, PhD
Prof Emeritus, Dept of Earth Science
University of California, Santa Barbara

> On Sep 15, 2023, at 3:34 AM, Klaus major-k via use-livecode <use-livecode at lists.runrev.com> wrote:
> 
> Hi Mark,
> 
>> Am 15.09.2023 um 12:14 schrieb Mark Waddingham via use-livecode <use-livecode at lists.runrev.com>:
>> 
>>> On 2023-09-14 18:49, Klaus major-k via use-livecode wrote:
>>> But I'm using a Mac and it looks like that tool is not available here in the SDK tools folder.
>>> Maybe available somewhere in "Android Studio".
>>> And my problem NEVER happened when I'm at home, only during band rehearsals and gigs! :-D
>> So this is perhaps the most useful observation...
> 
> :-)
> 
>> This could suggest there is a either a difference in usage, or environment between the two places. e.g.
>> - is the app used more / for longer at gigs compared to home?
> 
> Yes.
> 
>> - how is the tablet powered at home vs at gigs?
> 
> Via its internal rechargable battery, will recharge it overnight with no connection to my Mac.
> 
>> - how does the tablet connect to the internet at home vs at gigs? (even if the app does not use the internet, lots of background stuff on Android *does*)
> 
> At home via W-Lan, at gigs no internet connection (no SIM card or something!)
> 
>> - when the problem happens is there anything specific you can think of in common with what you were doing / the app was doing / the device was doing just before? (e.g. does it happen just after the device has gone to sleep).
> 
> No, sometimes I get the black screen immediately when I start the tablet at a gig or rehearsal, sometimes after several quit/start of the app.
> 
>> The fact it is 'hanging' suggests there is something (on startup?) which is failing and causing an infinite loop.
> 
> Nothing remarkable here, I only fill the two polygrids (< 10 entries each) on the first card on preopenstack.
> 
>> Is there anything in the startup code for the app which waits for something to happen? e.g. an network request, something to initialize etc.?
> 
> No, nada, just what I wrote above.
> 
>> Warmest Regards,
>> 
>> Mark.
>> 
>> P.S. If you send your app's source to support at livecode.com with a rough outline of where to look for startup code etc. then Panos and I can take a quick look and see if we can see anything which may be causing your issue.
> 
> Great, thanks, will remove all unneccessary files and will send it with some instructions.
> 
>> -- 
>> Mark Waddingham ~ mark at livecode.com ~ http://www.livecode.com/
>> LiveCode: Build Amazing Things
> 
> Best
> 
> Klaus
> 
> --
> Klaus Major
> https://www.major-k.de
> https://www.major-k.de/bass
> klaus at major-k.de
> 
> 
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