I am designing a slightly smarter resource cache that purges less frequently
used resources instead of a purge all when getting an UIApplication delegate
"applicationDidReceiveMemoryWarning:" message. I know the target (currently)
is 20 MBs (although that could change with future hardware). The problem I am
running into is finding out if I have purged enough.
Is there a method to get the current app memory allocation for the iPhone?
Also is there a constant that I can compare it to (memory value to issue
warning)?
This would allow me to do a loop something like:
while (appCurrentMemory > issueMemoryWarningAtValue) {
[self purgeOldestAccessedObject];
}
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