What You’ll Learn in This Hour:
• Finding the device with Core Location
• Showing the way with Map Kit
• Orienting with the compass
In addition to being a cell phone, and a handy pocket computer, an iPhone is an amazing navigation device (see Figure 22.1). It’s so proficient at this task it would give science fiction writers of 30 years ago a good shock. Having an iPhone is like having a whole store’s worth of maps and guidebooks tucked away in your pocket or purse.
Figure 22.1. From left to right: directions from Apple’s Maps application, restaurants from Tweakersoft’s AroundMe application and GPS data from MotionX GPS.
In this hour, we work with three navigation-related services ...