The idea behind this is to notify one object/class of another object/class’ action. Thus you need the following: 1. A Class (A) whose object will register to receive notifications (be notified). 2. A Class (B) whose object will be doing something and when it finishes, must notify the other (post notification) Receiving Class A This class must cleanup its listening task so that when it is no longer active, the NSNotificationCenter will not waste time and resources notifying it about events it was once interested in. To do this simply add this to your dealloc method: //1. NSNotifCtr CLEANUP in viewDidUnload or dealloc [[NSNotificationCenter defaultCenter] removeObserver:self]; This class must actually… Read More
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