374Delay method execution, part II 

[NSTimer scheduledTimerWithTimeInterval:1.0 
target:self selector: @selector(methodName:)  
userInfo:nil repeats:NO];
Alternative to Part I [35], has the possibility of repetetive calls.
594Delaying Methods. And cancelling the delaying of methods
536Adding a custom delegate
58Delay method execution & passing objects along the way
35Delay method execution