• • watchOS
  • Getting Started
    • Configuring Existing Xcode Project
  • Building
  • Complications
  • Notifications
  • Data Transfer
  • Water Lock
  • Distribution
    • App Store Release Process
  • Debugging with os_log
  • Guides
    • Sample Code

watchOS

This document relates to developing watchOS apps for the Apple Watch on macOS Sierra versions 10.12.6 to 10.13.3 using Xcode versions 9.0.1 to 9.2 and watchOS 4.2 together with Swift 4.

• watchOS Home Page
• WatchKit Framework

Getting Started

Configuring Existing Xcode Project

1. In Xcode, select File > New > Target from the menu.

2. Select watchOS from the selection in the top row

3. Select WatchKit App

4. Click Next

5. Optionally select Include Complication

6. Click Finish

7. If prompted to activate a scheme, optionally select Activate

For full details:

• App Programming Guide for watchOS

See also:

• WWDC2015 - Introducing Watch Connectivity
• watchOS 4.2 SDK Release Notes
• Technical Q&A QA1892 - Making the app name on a device consistent with the name in iTunes Connect

Building

To select an existing Watch app scheme, select Product > Scheme > Edit Scheme... from the main menu.

Complications

• ClockKit | Apple Developer Documentation
• Adding a Complication to Your watchOS App | Apple Developer Documentation
• CLKComplicationDataSource
• Adding Placeholders for Your Complication | Apple Developer Documentation
• Complication Images
• Technical Q&A QA1686: App Icons on iPhone, iPad and Apple Watch
• Designing Great Apple Watch Experiences - WWDC 2016 - Videos - Apple Developer
• Keeping Your Watch App Up to Date - WWDC 2016 - Videos - Apple Developer
• watchOS 2 Transition Guide: Creating a Complication

Notifications

• UserNotifications - Apple Developer Documentation
• Local and Remote Notification Programming Guide

Data Transfer

• Watch Connectivity Framework Reference

Water Lock

• https://stackoverflow.com/questions/46512709/use-enablewaterlock
• What's New in Health - WWDC 2017 - Videos - Apple Developer

Distribution

App Store Release Process

• Submitting watchOS Apps to the App Store

Debugging with os_log

• Profiles and Logs - Bug Reporting - Apple Developer
• Apple Watch console / device logs is empty |Apple Developer Forums
• On device watchOS debugging impossible |Apple Developer Forums

Guides

• Guides and Sample Code
• LoopHealth: Using health documents and Activity rings in HealthKit and HealthKitUI
• WatchKit Project Configuration Reference
• Understanding Memory Usage Limits for WatchKit Apps and Extensions

Sample Code

• Using the Watch Connectivity API
• SpeedySloth: Using HealthKit to build a workout app for Apple Watch
• WatchPuzzle: Using SceneKit and SpriteKit on watchOS
• HelloGameKit: A skeleton app for turn based games on watchOS
• QuickSwitch: Supporting Quick Watch Switching with WatchConnectivity
• PotLoc: CoreLocation with iPhone and Apple Watch
• WatchBackgroundRefresh: Using WKRefreshBackgroundTask to update WatchKit apps in the background
• SwingWatch: Using Device Motion on the Watch
• WatchKit Catalog: Using WatchKit Interface Elements
• Activity Rings: Contributing to Activity Rings on Apple Watch

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-- Frank Dean - 14 Feb 2018

Related Topics: iOSDevelopment, iOSTips, MacOSXTips, Swift.md

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