core-location

问题 I am trying to use monitoring regions to track if users have visited landmarks. the location manager is initialized in a viewcontroller along with a mapkit in viewdidload of the view controller: if (self.locationManager == nil) { // NSLog(@"creating location manager"); self.locationManager = [[CLLocationManager alloc] init]; locationManager.delegate = self; locationManager.desiredAccuracy = kCLLocationAccuracyBestForNavigation; locationManager.distanceFilter = kCLDistanceFilterNone; } NSSet*

问题 I'm quite new to Objective-c. In my app, I'm trying to plot the users taken route onto a map. Here is what I have so far that just gets the users current location: #import "StartCycleViewController.h" #import "CrumbPath.h" @interface StartCycleViewController () @property (nonatomic, strong) CLLocationManager *locationManager; @property (nonatomic, strong) IBOutlet MKMapView *map; @property (nonatomic, strong) UIView *containerView; @end @implementation StartCycleViewController @synthesize

问题 Currently i am developing an iPhone application where i have to show user's current city and location for which i am using Mapkit Framework.When i build the application it works fine and show me the exact city details .But right now when i try to build the application again application shows following error message in my log /SourceCache/ProtocolBuffer_Sim/ProtocolBuffer-26/Runtime/PBRequester.m:523 server returned error: 503 reverseGeocoder: didFailWithError:Error Domain

问题 Currently i am developing an iPhone application where i have to show user's current city and location for which i am using Mapkit Framework.When i build the application it works fine and show me the exact city details .But right now when i try to build the application again application shows following error message in my log /SourceCache/ProtocolBuffer_Sim/ProtocolBuffer-26/Runtime/PBRequester.m:523 server returned error: 503 reverseGeocoder: didFailWithError:Error Domain

问题 Using location-awareness on the iPhone triggers the "X would like to use your current location" - "Don't allow"/"OK". In the CLLocationManager documentation, it is stated: "The user has the option of denying an application’s access to the location service data. During its initial uses by an application, the Core Location framework prompts the user to confirm that using the location service is acceptable. If the user denies the request, the CLLocationManager object reports an appropriate error

问题 Is it possible to get the street/area where the user currently is by using the CoreLocation framework? So if I get the user's longitude and latitude position, can I get the address (xx street, yy city, z state) from that position? Thanks. Someone had already posted the question before. Just found out Get street address at lat/long pair 回答1: What you would need is a reverse geocoding service, that will translate a lat/lon coordinate set in to an address. I doubt that this, or access to one, is

问题 I've been getting this error in my app through Crashlytics. I can't find where and how this crash occurs. Here is the log from Crashlytics: Thread : Crashed: com.apple.main-thread 0 CoreLocation 0x0000000183f62304 (null) + 60044 1 CoreLocation 0x0000000183f230f0 (null) + 1436 2 CoreLocation 0x0000000183f230f0 (null) + 1436 3 CoreLocation 0x0000000183f2261c (null) + 1980 4 CoreFoundation 0x0000000183754c9c __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 28 5 CoreFoundation

问题 I am using the following code to get the current location,I have added the corelocation framework - (void)viewDidLoad { [super viewDidLoad]; locationManager = [[CLLocationManager alloc] init]; locationManager.delegate = self; locationManager.distanceFilter = kCLDistanceFilterNone; // whenever we move locationManager.desiredAccuracy = kCLLocationAccuracyHundredMeters; // 100 m [locationManager startUpdatingLocation]; } - (void)locationManager:(CLLocationManager *)manager didUpdateToLocation:

问题 I have a dictionary with a collection of n number of latitude, longitude and address. I want to calculate which (latitude and langitude)point is closest from current user location(latitude ,langitude) in ios? Thanks in advance 回答1: If you want to calculate based on the co-ordinates , here is simple scenario : Just take all of the "CLLocationCoordinate2D" from your dictionary . For ex: MKPointAnnotation *annotaion=[MKPointAnnotaion alloc]alloc]; CLLocationCoordinate2D pointACoordinate =

问题 I have a dictionary with a collection of n number of latitude, longitude and address. I want to calculate which (latitude and langitude)point is closest from current user location(latitude ,langitude) in ios? Thanks in advance 回答1: If you want to calculate based on the co-ordinates , here is simple scenario : Just take all of the "CLLocationCoordinate2D" from your dictionary . For ex: MKPointAnnotation *annotaion=[MKPointAnnotaion alloc]alloc]; CLLocationCoordinate2D pointACoordinate =