Hey everyone, For quite some time I am facing a few weird *random* crashes in my iOS app on producti...

# compose-ios

[Vaibhav Jaiswal]

Hey everyone,
For quite some time I am facing a few weird random crashes in my iOS app on production
I found out the crash logs, but I don't understand whats the issue here, can anyone help me out?

2024-09-15_17-51-54.3868_+0530-71f2c8c72fd9527656ddb5c132365c829e1b4db4.crash2024-09-15_14-12-56.4836_+0530-24bcfc2bf724e83f7dc4a1c8d90f5029f92a21b6.crash

[Vaibhav Jaiswal]

Thanks, but I am already using this

[François]

No, my bad, you’re using compose for iOS, it’s useless in your case

[François]

You crashed because of a null value in your compose render, I can’t help you more

[Vaibhav Jaiswal]

Thanks for helping

[Vaibhav Jaiswal]

I'll check for null fields

[François]

0   Medial                        	0x10064061c kfun:kotlin#require(kotlin.Boolean;kotlin.Function0<kotlin.Any>){} + 176 (Preconditions.kt:38)

After you need to follow the white rabbit, good luck!

[François]

using breadcrumb with crashlytics could be a good way to reproduce your crash.

[Vaibhav Jaiswal]

Thanks a lot, this would help me debug.
Crashlytics had the crash info, but not at all helpful, so I had to check XCode

[François]

they are better tools than Firebase for monitoring crash with KMP, but it’s the only who is really free

[Vaibhav Jaiswal]

Yeah, I tried Sentry, its much better than Crashlytics
But was giving some problems, some crashes were missing

[François]

https://www.bugsnag.com/ is also a good tool (need craskios), the free edition is limited but enough for small project

[Vaibhav Jaiswal]

Thanks, i will try this out

[romtsn]

hi @Vaibhav Jaiswal I work at Sentry - could you perhaps share what crashes exactly were missing? Would be ideal if you could open a github issue with all the details: https://github.com/getsentry/sentry-kotlin-multiplatform/issues

[Vaibhav Jaiswal]

Hii @romtsn
App crashes were correctly tracked, but cases in which iOS app froze for some time and then crashes, those crashes were not tracked, neither was that app hang tracked

[François]

This kind of crash is about out of memory

[François]

You should check from xcode the crash logs of your device

[Vaibhav Jaiswal]

Yeah,
Neither Sentry nor Crashlytics tracked it

[François]

OOM are difficult to track

[François]

Try to log the memory warning event trigger by iOS

[Vaibhav Jaiswal]

Thanks ill try this out