cllocationmanager

问题 I want the users' location to be updated in cloudkit but my code just save a new record every time. How can the existing record be modified or replaced by the new one? func locationManager(manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) { let location = locations.last let center = CLLocationCoordinate2D(latitude: location!.coordinate.latitude, longitude: location!.coordinate.longitude) let region = MKCoordinateRegion(center: center, span: MKCoordinateSpan(latitudeDelta

问题 When the users are asked to allow the user location, if they select accidentally "NO", then this alert is never shown in our app. Is there any option to reprompt the alert every time they open the app.After referring S.O question, many are suggesting this not all possible.Only thing can be do is, we have alert the user to turn-on location service in settings. But in some S.O questions, starting CLLocationManager update method every time based on the user's selection we can reprompt the alert

问题 I use KIF framework (http://github.com/kif-framework/KIF) with Xcode Continuous Integration Server for UI testing. When XCode CI server start app in iOS Simulator system alert "Application would like to use your current location" appears. I use this delegate - (void)locationManager:(CLLocationManager *)manager didChangeAuthorizationStatus: (CLAuthorizationStatus)status to get the notification that user allows to use location and I need it to keep like it is. Is it possible to tap OK on this

问题 I am developing an iOS app to monitor iBeacons. It works well in both foreground and background. I also need it to keep monitoring even when the screen is off. Now my problem is, when I turn off the screen with the shoulder button, NSLog shows that the iBeacon signal goes off (RSSI=0, beacon.accuracy=-1.0) accordingly, and 10 seconds later, there is no beacon found at all, while the delegate method locationManager:didRangeBeacons:inRegion: is called continuously. It seems that the app is

问题 I start updating current location when the view did appear, and stop updating location whenever locationManager:didUpdateLocations: is called. But why the locationManager:didUpdateLocations: always be called several times? What have I missed? #import "ViewController.h" @interface ViewController (){ CLLocationManager *locationManager; // location manager for current location } @end @implementation ViewController - (void)viewDidLoad { [super viewDidLoad]; } - (void)viewDidAppear:(BOOL)animated

问题 I have jailbroken device with 6.1.3 iOS. Also I have command-line tool that should give me coordinates. Code that is about location works perfectly with normal application, but not in command line. I found similar question, but it doesn't seems to work: Get GPS without alert view with ROOT permission(jailbreak) - (void) start { NSLog(@"Started"); if ([CLLocationManager authorizationStatus] != kCLAuthorizationStatusAuthorized) { NSLog(@"%i", [CLLocationManager authorizationStatus]); } //

问题 I have jailbroken device with 6.1.3 iOS. Also I have command-line tool that should give me coordinates. Code that is about location works perfectly with normal application, but not in command line. I found similar question, but it doesn't seems to work: Get GPS without alert view with ROOT permission(jailbreak) - (void) start { NSLog(@"Started"); if ([CLLocationManager authorizationStatus] != kCLAuthorizationStatusAuthorized) { NSLog(@"%i", [CLLocationManager authorizationStatus]); } //

问题 I have a UIView with an MKMapView , in a UIViewController, which appears only when user taps a button. The process is as follows: A CLLocationManager object is declared as private member in the header file. A UIView with an MKMapView is presented (initially the frame is outside bounds. Is moved to within view bounds on user's action, WITHIN THE SAME viewController ). It is initialized: locationManager = [[CLLocationManager alloc] init]; locationManager.distanceFilter = kCLDistanceFilterNone;

问题 I want to write application that every 5 min sends to server low-accuracy-location for its both modes: foreground and background. Because I don't want to reduce the battery charge and the locationSignificantChange gives only the high-accuracy-values, I start/stop locationUpdates from GPS every 5 min. Application works fine from foreground mode, but works only about 1 hour from background mode (and stops to send location afterwards). I guess I am missing something in backgroundTask/NSTimer

问题 I am using CLLocationManager to update the current location but some times the current location is lost. I don't know why the current location is losing. Please help me out of this. Thank you, Madan Mohan 回答1: The location can become lost for a wide variety of reasons: The device no longer has reasonably open access to the sky so GPS satellite information is unavailable. There aren't enough cell towers available to perform triangulation. The wifi access point isn't in the database of known