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//Start an activity indicator here | |
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{ | |
//Call your function or whatever work that needs to be done | |
//Code in this part is run on a background thread | |
dispatch_async(dispatch_get_main_queue(), ^(void) { | |
//Stop your activity indicator or anything else with the GUI | |
//Code here is run on the main thread | |
}); | |
}); |
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