I'm overriding this method in my iOS 5 application: 

- (void)awakeFromSnapshotEvents:(NSSnapshotEventType)flags

According to the documentation, 'flags' is a bitmask of NSSnapshotEventType 
constants.

However, it seems that the 'flags' value is always 128 when this method is 
called by CoreData. This value is not defined in the headers.

I ask, because when my application is playing audio using an AudioQueue, 
playback usually get's interrupted when awakeFromSnapshotEvents: is called 
(mostly at times when there is no user interaction with the app). This is not 
caused by my override of awakeFromSnapshotEvents:.

I'm trying to understand what is happening in the app / frameworks when flags 
== 128…

patrick
--
Patrick Machielse
Hieper Software

http://www.hieper.nl
i...@hieper.nl


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