Introduction to watchOS 4

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last updated: 2017-10

New features available to developers using Xamarin for watchOS 4.

Access new features of watchOS 4 in your apps:

  • Read barometric altimeter data in the new Apple Watch Series 3.
  • Connect directly to network resources with cellular data available on some Apple Watch Series 3 models.
  • Core Bluetooth can connect directly to accessories.
  • New background modes for workout and audio apps.
  • New SiriKit intents for lists and notes.

Changes since watchOS 3:

  • App code and UI run in a single process.
  • Location permission can be granted on the watch (no need to ask the user to accept on their phone).

Xamarin Workbook

If it's not already installed, install the Xamarin Workbooks app first. The workbook file should download automatically, but if it doesn't, just click to start the workbook download manually.