6.0. Introduction

The Core Location and Map Kit frameworks can be used to create location-aware and map-based applications. The Core Location framework uses the internal device’s hardware to determine the current location of the device. The Map Kit framework enables your application to display maps to your users, put custom annotations on the maps, and so on. The availability of location services from the pure programming perspective depends on the availability of hardware on the device; if the hardware is there, it must be enabled and switched on for the Map Kit and Core Location frameworks to work. An iOS device with GPS services can use 2G, EDGE, 3G, and other technologies to determine the user’s location. Presently,....