HKStatisticsCollectionQuery is better suited to use when you want to retrieve data over a time span. Use HKStatisticsQuery to just get the steps for a specific date. Swift 5: let healthStore = HKHealthStore() func getTodaysSteps(completion: @escaping (Double) -> Void) { let stepsQuantityType = HKQuantityType.quantityType(forIdentifier: .stepCount)! let now = Date() let startOfDay = Calendar.current.startOfDay(for: now) let … Read more
After a full day of testing, I can confirm that HealthKit background delivery does work in all of the following application states: background: in background and executing code, suspended: in background and not executing code, terminated: force-killed by the user or purged by the system. Keep in mind: part 1 Some HealthKit data types have … Read more
When should the handler be called? Call it after you are done your job. Your code should not do complex operations. The app is in the background and the user does not see what’s changed. You can just set a “flag” that data is updated and do complex operations after the user launched the app. … Read more