cllocationmanager

问题 I want to track the user location in background , in the purpose to show him an alert when he is close to one of his friend. So i start with CLLocationManager . As far as i know their is only one reliable way to let the app know about the location update even if the user reboot the Iphone or kill the app: startMonitoringSignificantLocationChanges . But the problem is that even inside a city with many wifi, startMonitoringSignificantLocationChanges fire the DidUpdateLocations when the user

问题 I want to track the user location in background , in the purpose to show him an alert when he is close to one of his friend. So i start with CLLocationManager . As far as i know their is only one reliable way to let the app know about the location update even if the user reboot the Iphone or kill the app: startMonitoringSignificantLocationChanges . But the problem is that even inside a city with many wifi, startMonitoringSignificantLocationChanges fire the DidUpdateLocations when the user

问题 I am new to Swift and I have managed to create a starter app which gets the current GPS location. Now I am trying to create a helper class (Location.swift) which will perform all the GPS location-based functions and can be called from my main ViewController (e.g. Location.getGPSLocation() where getGPSLocation is a static func in my Location.swift helper class). Please review my code for the Location.swift helper class: import Foundation import CoreLocation public class Location { private

问题 In my header i put CLLocationManager *locationManager; @property (nonatomic, retain) CLLocationManager *locationManager; in my implementation file: - (void)viewDidLoad { self.locationManager = [[[CLLocationManager alloc] init] autorelease]; self.locationManager.distanceFilter = 50.0f; [self.locationManager setDesiredAccuracy:kCLLocationAccuracyNearestTenMeters]; self.locationManager.delegate = self; [locationManager startUpdatingLocation]; [super viewDidLoad]; } then in the delegate method -

来源： https://stackoverflow.com/questions/35834700/didupdateheading-not-called-in-swift

来源： https://stackoverflow.com/questions/35834700/didupdateheading-not-called-in-swift

来源： https://stackoverflow.com/questions/64066241/ios-14-how-to-get-ibeacon-to-wake-up-the-app-when-precise-location-permission

来源： https://stackoverflow.com/questions/64056873/swift-fetch-minutes-per-kilometer-from-seconds-per-meter

来源： https://stackoverflow.com/questions/63471091/tracking-user-location-mkpolyline-getting-drawn-from-utc-coordinates-0-0-to

问题 I'm using Parse and with geoPointForCurrentLocationInBackground I can stop updating once a location is received without having to manually stop it. How do I stop updating location immediately right after I receive location using CLLocationManager? Edit I know [self.locationManager stopUpdatingLocation]; stops it. What I'm really asking is, how do I know I've received location for the first time then stop it immediately? 回答1: After getting your location, use this method: [self.locationManager