I have a NSXMLParser in a backgroound thread. Does it calls its delagtes methods in a background?
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I have a NSXMLParser in a backgroound thread. Does it calls its delagtes methods in a background?
Yes, but this is easy to check. Just put a breakpoint on your delegate implementation and then look to see which thread is calling it by looking in the threads/stacks inspector.
If you need the call to go back to the UI thread, look at this
https://developer.apple.com/library/mac/#documentation/Cocoa/Reference/Foundation/Classes/NSObject_Class/Reference/Reference.html#//apple_ref/occ/instm/NSObject/performSelector:onThread:withObject:waitUntilDone: