2014/10/15 下午 10:15:39

iphone Programming Glossary: userlocation

HowTo initialise MKMapView with a given user location?

http://stackoverflow.com/questions/1437568/howto-initialise-mkmapview-with-a-given-user-location

updates every second or so and update the position of the blue marble annotation yourself. To let the mapview's own userLocation do the updating add to viewDidLoad self.map.userLocation addObserver self forKeyPath @ location options NSKeyValueObservingOptionNew.. the blue marble annotation yourself. To let the mapview's own userLocation do the updating add to viewDidLoad self.map.userLocation addObserver self forKeyPath @ location options NSKeyValueObservingOptionNew NSKeyValueObservingOptionOld context NULL self.map.showsUserLocation.. self.locationManager stopUpdatingLocation self.ownBlueMarble.hidden YES The current location is in self.map.userLocation.coordinate To avoid the warm up delay in showing current location keep a reference to the viewController containing the..

How to remove all annotations from MKMapView without removing the blue dot?

http://stackoverflow.com/questions/2132173/how-to-remove-all-annotations-from-mkmapview-without-removing-the-blue-dot

this and see what annotations you have for id annotation in myMap.annotations NSLog @ @ annotation You also have the userLocation property which gives you the annotation representing the user's location. If you go through the annotations and remember..

MKMapView and CLLocationManager

http://stackoverflow.com/questions/2319506/mkmapview-and-cllocationmanager

sync. I already explored the following ideas without success Use the MKMapView showUserLocation YES and add KVO on the userLocation field. This does not work and I am wondering if this is due to the fact that the userLocation field is read only. Use the.. YES and add KVO on the userLocation field. This does not work and I am wondering if this is due to the fact that the userLocation field is read only. Use the MKMapView showUserLocation YES create a MKMapViewDelegate and add the tracking when the annotation..

How to add Button to userLocation callout?

http://stackoverflow.com/questions/3226004/how-to-add-button-to-userlocation-callout

to add Button to userLocation callout How can I display a DisclosureButton in the userLocation the blue dot callout like the Apple Maps app does Now.. to add Button to userLocation callout How can I display a DisclosureButton in the userLocation the blue dot callout like the Apple Maps app does Now I just can change its title and subtitle but I hope to provide custom.. button it can guide me to another View. I returned MKAnnotationView in viewForAnnotation when annotation self.mapView.userLocation. However the callout can display updated title and subtitle but cannot show the button I added. I really need this function..

Check user location age in Mapkit - GPS accuracy for MapKit User Location significantly better than from CLLocationManager?

http://stackoverflow.com/questions/3945742/check-user-location-age-in-mapkit-gps-accuracy-for-mapkit-user-location-signif

improve this question You can access the timestamp of the user's location used by a MKMapView as follows mapView userLocation location timestamp The timestamp is an NSDate and it tells you when this location was determined. share improve this answer..

Why is the MKMapView's userLocation property rubbish … for a while?

http://stackoverflow.com/questions/4606539/why-is-the-mkmapviews-userlocation-property-rubbish-for-a-while

is the MKMapView's userLocation property rubbish &hellip for a while I have a Map View defined in IB and it is set to show the user location. In my app.. have a Map View defined in IB and it is set to show the user location. In my app in viewDidAppear I query self.mapView.userLocation.location.coordinate and it comes back with insane values such as latitude 4.8194501961644877e 49 longitude 2.2993313035571993e.. the next time viewDidAppear is called after I've simply moved to another tabbed view and then back to this one the userLocation property holds exactly the correct values for my current location. It seems that at the time of my initial call the userLocation..

How to set accuracy and distance filter when using MKMapView

http://stackoverflow.com/questions/5930612/how-to-set-accuracy-and-distance-filter-when-using-mkmapview

NSLog @ newLocation @ newLocation.timestamp NSLog @ last map location @ NSString stringWithFormat @ @ self.mapView userLocation location timestamp and I'm getting different values on each. It looks as if MKMapView uses its own CLLocationManager which..

MKPinannotation detail disclosure button - present new view

http://stackoverflow.com/questions/6195774/mkpinannotation-detail-disclosure-button-present-new-view

mapViewWillStartLocatingUser MKMapView mapView void mapView MKMapView mapView didUpdateUserLocation MKUserLocation userLocation self showPin void viewDidLoad mapView.showsUserLocation YES self showPin super viewDidLoad IBAction updateLocation mapView.showsUserLocation.. pinView.rightCalloutAccessoryView rightButton else pinView.annotation annotation if annotation mapView.userLocation return nil default to blue dot return pinView IBAction showPin MKCoordinateRegion region MKCoordinateSpan span span.latitudeDelta.. 0.2 span.longitudeDelta 0.2 MOST CODE WILL BE INSERTED HERE INSTRUCTIONS CCLocationCoordinate2D companyCity mapView.userLocation.coordinate companyCity.latitude latitude here companyCity.longitutde longitude here CLLocation companyCityLocation CLLocation..

How to change MKMapView's user-location blue dot to an image of choice?

http://stackoverflow.com/questions/6293432/how-to-change-mkmapviews-user-location-blue-dot-to-an-image-of-choice

this. MKAnnotationView mapView MKMapView mapView viewForAnnotation id MKAnnotation annotation if annotation mapView.userLocation return nil ... We return nil if the annotation is userLocation to let the mapView display the blue dot circle animation... id MKAnnotation annotation if annotation mapView.userLocation return nil ... We return nil if the annotation is userLocation to let the mapView display the blue dot circle animation. In order to show our custom annotation for userLocation just remove.. is userLocation to let the mapView display the blue dot circle animation. In order to show our custom annotation for userLocation just remove the line return nil and do your customization there. MKAnnotationView mapView MKMapView mapView viewForAnnotation..

How to call a function in applicationDidEnterBackground?

http://stackoverflow.com/questions/7443131/how-to-call-a-function-in-applicationdidenterbackground

the distance and postes a notification void calculateDistance for NSMutableDictionary obj in placeName CLLocation userLocation AppHelper appDelegate mLatestLocation CLLocation annotation1 CLLocation alloc initWithLatitude obj objectForKey @ Lat doubleValue.. @ Lat doubleValue longitude obj objectForKey @ long doubleValue CGFloat distanceTemp annotation1 getDistanceFrom userLocation obj setObject NSNumber numberWithFloat distanceTemp forKey @ distance annotation1 release if placeName count NSArray sortedArray..

NSData and Uploading Images via POST in iOS

http://stackoverflow.com/questions/8042360/nsdata-and-uploading-images-via-post-in-ios

why this code seems to work for everyone else. Here is the code in question void uploadWithUserLocationString NSString userLocation NSString urlString @ http some.url.com post set up the form keys and values revise using 1 NSDictionary at some point neater.. @ auth @ text @ location nil NSArray vals NSArray alloc initWithObjects self.authToken self.textBox.text userLocation nil set up the request object NSMutableURLRequest request NSMutableURLRequest alloc init autorelease request setURL NSURL..