khadinakbarlabs/expo-mobile-app-builder/add-live-activity

npm install expo-live-activity
npm exec --no -- expo prebuild --clean

{
  "expo": {
    "plugins": ["expo-live-activity"],
    "ios": {
      "infoPlist": {
        "NSSupportsLiveActivities": true,
        "NSSupportsLiveActivitiesFrequentUpdates": true
      }
    }
  }
}

struct DeliveryAttributes: ActivityAttributes {
    public struct ContentState: Codable, Hashable {
        var minutesAway: Int
        var status: String
    }
    var orderNumber: String
}

import * as LiveActivity from 'expo-live-activity';
// Start
const activityId = await LiveActivity.startActivity({
  attributes: { orderNumber: '1234' },
  contentState: { minutesAway: 30, status: 'Preparing' },
});
// Update
await LiveActivity.updateActivity(activityId, { minutesAway: 20, status: 'On the way' });
// End
await LiveActivity.endActivity(activityId, { minutesAway: 0, status: 'Delivered' });