Apple Watch and watchKit
In September 2014, Apple announced the Apple Watch, which it considers to be the next chapter in Apple’s history. This watch not only handles phone calls and text messages, but is also tied to the wearer’s health by tracking heart rate and exercise. At the same time, Apple announced WatchKit, a framework designed for developing apps for the Apple Watch. WatchKit will be very familiar to developers already familiar with UIKit.
Initially, the Apple Watch had some serious limitations with development. The watch acted as an additional screen for an iPhone app. This required the watch to be close to the phone to function and also caused apps to run slowly. In June 2015, Apple announced watchOS 2.0. This new update ...