objective c - iPhone app crashes randomly without any error or stack trace -


i new here . sorry if question being repeated have different issue others.

my app crashes randomly after amount of time interval without error logs or stack trace. suspect it's memory issue . have following questions :

1.) how stack trace (i have tried nszombie enabled , nsunacughtexcpetion handler) didn't worked

2.) memory warning in app. how confirm whether it's prime suspect above issue? (i have used leaks, app crashes when has 4mb usage not quite sure whether memory leak causing app crash. know application take heap memory more 4mb .)

3.) upper limit memory leak application in ios before app crashes ?

4.) arc me in situation ?

also, have tried debug issue using nslog statements since crashes randomly , hard me detect root cause using technique.

any ideas or appreciated

my app crashes randomly after amount of time interval without error logs or stack trace. suspect it's memory issue.

to confirm it's memory issue, sync device itunes,and in ~/library/logs/crashreporter/mobiledevice/ files lowmemory in name. if see (jettisoned) next app name, confirms killed ios using memory.

the other way app exit without leaving crash report if erroneously called exit().

for more information, see "debugging deployed ios apps", , "understanding , analyzing ios application crash reports".


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