[PyQt] Android crashes

[Phil Thompson]

On 17 Apr 2018, at 10:43 am, Kálmán Viktor <viktorvector at gmail.com> wrote:
> 
> We have recently released our Android client in the app store and I see weird crashes, there is mainly 2 categories.
> 
> One looks like this:
> *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
> pid: 0, tid: 0 >>> com.my.app <<<
> 
> backtrace:
>   #00  pc 00000000007a323c  /data/app/com.my.app-iKDbJjkEEJRo37MXTF-nlQ==/lib/arm/libMyapp.so (PySys_SetObject+24)
> 
> 
> 
> The other looks like this
> *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
> pid: 0, tid: 0 >>> com.my.app <<<
> 
> backtrace:
>   #00  pc 000000000004b520  /system/lib/libc.so (tgkill+12)
>   #01  pc 000000000001a453  /system/lib/libc.so (abort+54)
>   #02  pc 000000000006ce5b  /data/app/com.my.aoo-cGOoB_LsJlH2RTPTKYMGyw==/lib/arm/libQt5Core.so (_ZNK14QMessageLogger5fatalEPKcz+50)
>   #03  pc 000000000034cea7  /data/app/com.my.app-cGOoB_LsJlH2RTPTKYMGyw==/lib/arm/libMyapp.so
> 
> 
> I've seen the 2nd on my development phone a few times, it usually happens if the app crashes and it tries to log it but it fails, about the PySys_SetObject I have no idea.
> 
> Also I've noticed that both crashes have only happened on Android 8/8.1 (tho the sample size is very small, only ~10+ crashes)
> 
> I'm using NDK r10e, Python 3.5.3, Qt 5.9.1 (and PyQt version that was out that time).
> 
> Has anyone faced similar issues before? Would upgrading to 5.9.5 and newer PyQt might help or just a waste of manpower?

Difficult say without a more complete backtrace. Note that pyqtdeploy v2 has dropped support for Python versions earlier that v3.6.

Phil