Has anyone experienced crashes when using ALAssetsLibrary in a background thread?

Question

I have an ios app which has not crashed in this way on ios 5 which is now crashing consistently on ios 6 on startup after 4 or 5 bg/fg cycles. I\'ve traced the issue to my invo

Answer 1

ALAssetsLibrary enumeration runs in the main thread (see this SO answer). I suspect this is because the assets library may want to interact with the user for permissions to use location data (because photos have geotagging).

This may be the source of your problem, if your code assumes that ALAssetsLibrary will continue to run in a background thread.