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//YourViewController.h @interface YourViewController : UIViewController <MKMapViewDelegate, CLLocationManagerDelegate>{ IBOutlet MKMapView *map; BOOL isLocating; } @end //YourViewController.m #import "YourViewController.h" #import "MapPlaceMark.h" @implementation YourViewController { // The designated initializer. Override to perform setup that is required before the view is loaded. - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil { if (self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]) { // Custom initialization } return self; } - (void) viewDidLoad { [NSTimer scheduledTimerWithTimeInterval:60000 target:self selector:@selector(updateLocation) userInfo:nil repeats:YES]; } - (void) updateLocation { isLocating = YES; CLLocationManager *locationManager=[[CLLocationManager alloc] init]; locationManager.delegate=self; locationManager.desiredAccuracy=kCLLocationAccuracyNearestTenMeters; if (![locationManager locationServicesEnabled]) { //replace with alert [atextfield setText:@"Location Services Are Not Enabled"]; } [locationManager startUpdatingLocation]; } #pragma mark LocationMethods - (void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation{ if(isLocating == YES){ CLLocationCoordinate2D location = [newLocation coordinate]; //One location is obtained.. just zoom to that location NSLog([NSString stringWithFormat:@"%f,%f", location.latitude, location.longitude]); MKCoordinateRegion region; region.center=location; //Set Zoom level using Span MKCoordinateSpan span; span.latitudeDelta=.090; span.longitudeDelta=.090; region.span=span; [map setRegion:region animated:TRUE]; MapPlaceMark *placemark=[[MapPlaceMark alloc] initWithCoordinate:location]; [map addAnnotation:placemark]; [placemark release]; isLocating = NO; } } - (void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *)error { [atextfield setText:@"Location search failed"]; } - (MKAnnotationView *)mapView:(MKMapView *)mapView viewForAnnotation:(id<MKAnnotation>)annotation { static NSString *identifier = @"com.companyname.pin"; MKAnnotationView *pin = [ mapView dequeueReusableAnnotationViewWithIdentifier:identifier ]; if ( !pin ) { if ( annotation == [map userLocation]) { pin = [ [ MKAnnotationView alloc ] initWithAnnotation:annotation reuseIdentifier:identifier ]; } else{ pin = [ [ MKAnnotationView alloc ] initWithAnnotation:annotation reuseIdentifier:identifier ]; } } pin.annotation = annotation; return pin; } } @end //MapPlaceMark.h #import <Foundation/Foundation.h> #import <MapKit/MapKit.h> @interface MapPlaceMark : NSObject <MKAnnotation> { CLLocationCoordinate2D coordinate; NSString *subTitle; NSString *Title; } @property (nonatomic, readonly) CLLocationCoordinate2D coordinate; @property (readwrite, retain) NSString *subTitle; @property (readwrite, retain) NSString *Title; -(id)initWithCoordinate:(CLLocationCoordinate2D) coordinate; - (NSString *)subtitle; - (NSString *)title; @end //MapPlaceMark.m #import <Foundation/Foundation.h> #import <MapKit/MapKit.h> @interface MapPlaceMark : NSObject <MKAnnotation> { CLLocationCoordinate2D coordinate; NSString *subTitle; NSString *Title; } @property (nonatomic, readonly) CLLocationCoordinate2D coordinate; @property (readwrite, retain) NSString *subTitle; @property (readwrite, retain) NSString *Title; -(id)initWithCoordinate:(CLLocationCoordinate2D) coordinate; - (NSString *)subtitle; - (NSString *)title; @end

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