This is part two of a two part tutorial focusing on creating an Apple Watch app.
Part one is available here.
Part two covers the following topics:
- Adding a WatchKit app and extension to an iPhone app
- Creating a Watch app interface
- Persisting weather data to disk
- Generics in Swift
- Adding a WatchKit app extension to an existing iPhone app
- Using the App Group capability to share data between an app and an app extension
- Accessing the temperature data inside the WatchKit app extension