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I've implemented notifications extension and now try to debug my code, but without any success. I tried several approaches how to handle it, for example stackoverflow question

When I "attach to process ...", I just see "waiting to attach" message on desired process. If I send push notification to invoke my extension, it just crashes

Message from debugger: Terminated due to signal 9

Is it possible that OS just close my extension, because it uses to much memory or it has too big size (~.appex = 20mb), but I can't find guidelines about extension size/number of files, etc.

Any suggestions, help?

Thx in advance

Viacheslav Kostechko
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3 Answers3

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It seems like that there is a memory limit for Notification Service Extension. Someone said it may be 5mb. And someone said that the limit is 5mb in ObjC, or 15mb in Swift.

Due to the limit, I remove all 3rd party libraries in Notification Service Extension.

AechoLiu
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I disabled the address sanitizer and undefined behavior sanitizer in the main app's scheme and the service extension loads ok now.

acemaker
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I have checked Notification Service Extension, Here you can see what is memory limit as per latest iOS update.

enter image description here

As per Xcode debugging 24 MB is notification extension memory limit.

Parth Patel
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