how to use Live Activities
Asked on 06/19/2025
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To use Live Activities, you can follow several approaches based on the context provided at WWDC:
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Designing for Apple Watch: Live Activities on Apple Watch are designed to be highly glanceable, providing just the information you need. They can be interacted with through the smart stack, which automatically presents a widget for the live activity. This allows users to see the status of an activity just by raising their wrist. For more details, you can refer to the session Design Live Activities for Apple Watch.
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Broadcasting Updates: You can broadcast updates to Live Activities using push notifications. This ensures that the live activity has the latest information, which is particularly useful for tracking deliveries or monitoring events. For more information, see the session Broadcast updates to your Live Activities.
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Customizing for Apple Watch: If you have an iOS Live Activity, it will automatically appear in the smart stack on Apple Watch. You can customize the view for the smart stack to provide a better user experience. For more details, check out the session Bring your Live Activity to Apple Watch.
These sessions provide a comprehensive guide on how to implement and optimize Live Activities for different Apple devices.

Design Live Activities for Apple Watch
Starting in watchOS 11, Live Activities from your iOS app will automatically appear in the Smart Stack on a connected Apple Watch. Learn how to optimize the layout of your Live Activity for the wrist, and provide the right level of information and interactivity at the right time.

Track workouts with HealthKit on iOS and iPadOS
Learn best practices for building a great workout experience for iOS. Review the life cycle of a workout session, explore the differences between workouts on Apple Watch and iPhone, and find out how to use Live Activities and Siri to pump up your app’s Lock Screen experience.

Broadcast updates to your Live Activities
With broadcast push notifications, your app can send updates to thousands of Live Activities with a single request. We’ll discover how broadcast push notifications work between an app, a server, and the Apple Push Notification service, then we’ll walk through best practices for this capability and how to implement it.