HealthKit背景交付根本不起作用

Question

我在下面检查了链接 当应用程序不运行

并按照所有指令在后台模式下从步行计数中获取更新，如果它检测到步骤，请将信息发送到我的个人服务器。 但是即使我走了很多小时，它也永远不会发送到我的服务器。

我的iOS版本是15.5，观看OS版本是8.6，这是

Swiftui上的最新版本，我们没有A- delegate，所以我在Main View中写下了EnebableDelivery和HkobServerQuery函数

。

import SwiftUI

import HealthKit
import os
import CoreData
// The Coffee Tracker app's main view.
struct CoffeeTrackerView: View {
    
    @EnvironmentObject var coffeeData: CoffeeData
    @State var showDrinkList = false
    
    private var backgroundObserver: HKObserverQuery? = nil
    
    private let store = HKHealthStore()

    // Properties that determine whether the store is available and ready to use.
    private let isAvailable = HKHealthStore.isHealthDataAvailable()
    private var isAuthorized = false
    // Lay out the view's body.
    var body: some View {
        
        // Use a timeline view to update the caffeine dose every minute.
        // This works both when the user's interacting with the app,
        // and when it's in Always On mode.
        TimelineView(.everyMinute) { context in
            VStack {
                
                // Display the current amount of caffeine in the user's body.
                Text(coffeeData.mgCaffeineString(atDate: context.date) + " mg")
                    .font(.body)
                    .fontWeight(.bold)
                    .foregroundColor(colorForCaffeineDose(atDate: context.date))
                Text("Current Caffeine Dose")
                    .font(.footnote)
                Divider()
                
                // Display how much the user has drunk today,
                // using the equivalent number of 8 oz. cups of coffee.
                Text(coffeeData.totalCupsTodayString + " cups")
                    .font(.body)
                    .fontWeight(.bold)
                    .foregroundColor(colorForDailyDrinkCount())
                Text("Equivalent Drinks Today")
                    .font(.footnote)
                Spacer()
                
                // Display a button that lets the user record new drinks.
                Button(action: { self.showDrinkList.toggle() }) {
                    Image("add-coffee")
                        .renderingMode(.template)
                }
            }.onAppear{
                let steps: HKObjectType = HKObjectType.quantityType(forIdentifier: .stepCount)!
                    if store.authorizationStatus(for: steps) != HKAuthorizationStatus.notDetermined {
                        store.enableBackgroundDelivery(for: steps, frequency: .immediate, withCompletion: { (worked, error) in
                            //registers for background data
                            let myUrl = URL(string:"https://my_server/testpage?q=processUpdate22")
                              var request = URLRequest(url: myUrl!)
                              request.httpMethod="GET"
                              let task = URLSession.shared.dataTask(with: request){
                                  (data:Data?,response:URLResponse?,error:Error?) in
                                  if error != nil {
                                      print("error \(error)")
                                      return
                                  }else{
                                      print("no error")
                                  }
                              }
                              task.resume()
                            if error != nil {
                                print(error)
                            }
                        })
                        let sampleType = HKSampleType.quantityType(forIdentifier: HKQuantityTypeIdentifier.stepCount)!
                        let query = HKObserverQuery(sampleType: sampleType, predicate: nil) {
                            query, completionHandler, error in
                                      let myUrl = URL(string:"https://my_server/testpage?q=processUpdatee")
                                        var request = URLRequest(url: myUrl!)
                                        request.httpMethod="GET"
                                        let task = URLSession.shared.dataTask(with: request){
                                            (data:Data?,response:URLResponse?,error:Error?) in
                                            if error != nil {
                                                print("error \(error)")
                                                return
                                            }
                                        }
                                        task.resume()
                            if error != nil {
                                print(error)
                                abort()
                            }

                            // Take whatever steps are necessary to update your app's data and UI
                            // This may involve executing other queries
        //                    self.getSteps(completion: { (stepCount) in
        //                        print("Step count was updated to \(stepCount)")
        //                    })
                            completionHandler()
                        }

                        store.execute(query)
                    }
            }
        }
        .sheet(isPresented: $showDrinkList) {
            DrinkListView().environmentObject(self.coffeeData)
        }
    }