In this chapter, you learned about WatchKit glances and how you can go about adding these to an existing Apple Watch application. You learned how to create a custom
GlanceInterfaceController class, which will be used to display information within the glance user interface once the glance is displayed onscreen.
Next, you learned that glances are template-based, which means that you don't have total control over their appearance when designing your glance user interface. You then moved on and learned about the interface guidelines that you need to follow when designing your glances, keeping in mind that each of the glance scenes within a WatchKit app can have a number of text labels and can incorporate an image and title.
In the next chapter, you will learn how to incorporate notifications, which comes as part of the WatchKit platform, within an existing app. You'll learn about the notification life cycle and the Apple Push Notification service (APNs) and how to work with both local...