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Chapter 18: Where Am I? Finding Your Way... > The Location Manager
The Location Manager
The Core Location API is actually fairly easy to use. The main class we’ll work with is CLLocationManager, usually referred to as the location manager. To interact with Core Location, you need to create an instance of the location manager, like this:
CLLocationManager *locationManager = [[CLLocationManager alloc] init];
This creates an instance of the location manager, but it doesn’t actually start polling for your location. You must create an object that conforms to the CLLocationManagerDelegate protocol and assign it as the location manager’s delegate. The location manager will call delegate methods when location information becomes available or changes. The process of determining location may take some time—even a few seconds.