How do I design Live Activities with ActivityKit in Swift?

Live Activities in Swift using ActivityKit allow developers to provide real-time updates directly on the lock screen or in the Dynamic Island for ongoing tasks or events. This can greatly enhance user engagement by keeping them informed about important events without needing to open an app.

Here's a simple example of how to integrate Live Activities using ActivityKit:

// Import the necessary framework import ActivityKit // Define a structure for your Activity's content state struct MyActivityAttributes: ActivityAttributes { public typealias Status = ContentState public struct ContentState: Codable, Hashable { var progress: Double } var title: String } // Create and start a Live Activity func startLiveActivity() { let attributes = MyActivityAttributes(title: "Downloading...") let initialContentState = MyActivityAttributes.ContentState(progress: 0.0) let activity = try? Activity.request(attributes: attributes, contentState: initialContentState, pushType: nil) } // Update the Live Activity func updateLiveActivity(progress: Double) { let updatedState = MyActivityAttributes.ContentState(progress: progress) Task.init { let activity = Activity.activities.first await activity?.update(using: updatedState) } }

Live Activities ActivityKit Swift iOS Development Real-Time Updates