Я создаю приложение со службами определения местоположения.
Я использую текущее местоположение пользователей для перемещения объектов вокруг пользователя. Который в настоящее время работает отлично. Единственная проблема в том, что я хочу создать локальные уведомления для пользователя с "signficantLocationChanges" на фоне, но когда приложение запускается из AppDelegate с функцией applicationDidFinishLaunching(_:), launchOptions объект равен nil.
Я хочу чтобы получить фоновые обновления и сделать запрос HTTP API и, в зависимости от ответа, я создам локальное уведомление.
Вот мой класс AppDelegate:
import UIKit
import UserNotifications
import CoreLocation
@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {
var window: UIWindow?
var locationManager: LocationManager?
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
// Checking this because if the app is started for location updates,
// no need to setup app for UI
if let _ = launchOptions?[.location] {
locationManager = LocationManager()
locationManager?.delegate = self
locationManager?.getCurrentLocation()
return true
}
attemptToRegisterForNotifications(application: application)
if #available(iOS 13, *) { } else {
app.start()
}
return true
}
// MARK: UISceneSession Lifecycle
@available(iOS 13.0, *)
func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration {
// Called when a new scene session is being created.
// Use this method to select a configuration to create the new scene with.
return UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role)
}
@available(iOS 13.0, *)
func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set<UISceneSession>) {
// Called when the user discards a scene session.
// If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions.
// Use this method to release any resources that were specific to the discarded scenes, as they will not return.
}
func applicationDidBecomeActive(_ application: UIApplication) {
UNUserNotificationCenter.current().removeAllDeliveredNotifications()
}
}
extension AppDelegate: LocatableOutputProtocol {
func didGetCurrentLocation(latitude: Double, longitude: Double) {
UNUserNotificationCenter.current().getNotificationSettings(completionHandler: { (settings) in
if settings.authorizationStatus == .authorized {
let content = UNMutableNotificationContent()
content.title = "\(Date().timeIntervalSince1970)"
let trigger = UNTimeIntervalNotificationTrigger(timeInterval: 5, repeats: false)
let request = UNNotificationRequest(identifier: "\(Date().timeIntervalSince1970)", content: content, trigger: trigger)
UNUserNotificationCenter.current().add(request) { _ in
}
}
})
}
func failedGetCurrentLocation(error: Error) {
print(error)
}
}
extension AppDelegate: UNUserNotificationCenterDelegate {
private func attemptToRegisterForNotifications(application: UIApplication) {
UNUserNotificationCenter.current().delegate = self
let authOptions: UNAuthorizationOptions = [.alert, .badge, .sound]
UNUserNotificationCenter.current().requestAuthorization(options: authOptions, completionHandler: { granted, error in
if let error = error {
print("failed to get auth", error)
return
}
if granted {
DispatchQueue.main.async {
application.registerForRemoteNotifications()
}
} else {
print("NO AVAIL FOR NOTIFS")
}
})
}
func userNotificationCenter(_ center: UNUserNotificationCenter, willPresent notification: UNNotification, withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void) {
completionHandler(.alert)
}
}
Также у меня есть пользовательский LocationManager class:
import CoreLocation
final class LocationManager: NSObject, Locatable {
weak var delegate: LocatableOutputProtocol?
var locationManager: CLLocationManager
override init() {
locationManager = CLLocationManager()
super.init()
let authStatus = CLLocationManager.authorizationStatus()
if CLLocationManager.locationServicesEnabled() {
if (authStatus == .authorizedAlways || authStatus == .authorizedWhenInUse) {
locationManager.delegate = self
locationManager.startUpdatingLocation()
locationManager.startMonitoringSignificantLocationChanges()
locationManager.allowsBackgroundLocationUpdates = true
locationManager.desiredAccuracy = kCLLocationAccuracyBest
} else {
locationManager.requestAlwaysAuthorization()
print("we dont have permission")
}
} else {
}
}
func getCurrentLocation() {
locationManager.startUpdatingLocation()
}
}
extension LocationManager: CLLocationManagerDelegate {
func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
if let coordinates = locations.first?.coordinate {
locationManager.stopUpdatingLocation()
self.delegate?.didGetCurrentLocation(latitude: coordinates.latitude, longitude: coordinates.longitude)
}
}
func locationManager(_ manager: CLLocationManager, didFailWithError error: Error) {
self.delegate?.failedGetCurrentLocation(error: error)
}
func locationManager(_ manager: CLLocationManager, didChangeAuthorization status: CLAuthorizationStatus) {
print("status changed")
if (status == .authorizedAlways || status == .authorizedWhenInUse) {
print("we got permission")
} else {
print("nope")
}
}
}
Я пытаюсь отладить это, создав новую схему на Xcode с Wait for executable to be launched и используя Freeway Ride в меню отладки симулятора. Также протестировано на реальном устройстве.
Чего мне не хватает?