♨ 프레임워크 추가 : CoreLocation.framework
#import <UIKit/UIKit.h>
#import <CoreLocation/CoreLocation.h>
@interface LocationServiceViewController : UIViewController
<CLLocationManagerDelegate> {
CLLocationManager *locationManager;
IBOutlet UILabel *latitude;
IBOutlet UILabel *longitude;
IBOutlet UILabel *Heading;
}
@property (nonatomic, retain) CLLocationManager *locationManager;
@property (nonatomic, retain) IBOutlet UILabel *latitude;
@property (nonatomic, retain) IBOutlet UILabel *longitude;
@property (nonatomic, retain) IBOutlet UILabel *Heading;
@end
#import "LocationServiceViewController.h"
@implementation LocationServiceViewController
@synthesize locationManager;
@synthesize latitude;
@synthesize longitude;
@synthesize Heading;
// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
- (void)viewDidLoad {
[super viewDidLoad];
self.locationManager = [[CLLocationManager alloc] init];
self.locationManager.desiredAccuracy = kCLLocationAccuracyNearestTenMeters;
self.locationManager.delegate = self;
[self.locationManager startUpdatingLocation];
[self.locationManager startUpdatingHeading];
CLLocation *curPos = self.locationManager.location;
NSNumber *nLatitude = [NSNumber numberWithDouble:curPos.coordinate.latitude]; // 위도
NSNumber *nLongitude = [NSNumber numberWithDouble:curPos.coordinate.longitude]; // 경도
NSString *sPosition1 = [NSString stringWithFormat:@"%.3f",
[nLatitude doubleValue]];
NSString *sPosition2 = [NSString stringWithFormat:@"%.3f",
[nLongitude doubleValue]];
//NSLog(@"%@",sPosition);
[self.latitude setText:sPosition1];
[self.longitude setText:sPosition2];
}
// 좌표 업데이트 델리게이트
-(void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation{
// GPS 좌표 업데이트 된 후 호출 됨
NSNumber *nLatitude = [NSNumber numberWithDouble:newLocation.coordinate.latitude]; // 위도
NSNumber *nLongitude = [NSNumber numberWithDouble:newLocation.coordinate.longitude]; // 경도
NSString *sPosition1 = [NSString stringWithFormat:@"%.3f",
[nLatitude doubleValue]];
NSString *sPosition2 = [NSString stringWithFormat:@"%.3f",
[nLongitude doubleValue]];
//NSLog(@"%@",sPosition);
[self.latitude setText:sPosition1];
[self.longitude setText:sPosition2];
}
// 나침반 델리게이트
-(void)locationManager:(CLLocationManager *)manager didUpdateHeading:(CLHeading *)newHeading{
NSString *headingStr = [NSString stringWithFormat:
@"%.4lf", newHeading.magneticHeading];
//NSLog(@"%@",headingStr);
[self.Heading setText:headingStr];
}
// GPS 오류 델리게이트
-(void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *)error{
// GPS 좌표 업데이트에 오류가 발생할 때 호출 됨
}
// Override to allow orientations other than the default portrait orientation.
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
return YES;
}
- (void)didReceiveMemoryWarning {
// Releases the view if it doesn't have a superview.
[super didReceiveMemoryWarning];
// Release any cached data, images, etc that aren't in use.
}
- (void)viewDidUnload {
// Release any retained subviews of the main view.
// e.g. self.myOutlet = nil;
}
- (void)viewWillDisappear:(BOOL)animated {
[super viewWillDisappear:animated];
[self.locationManager stopUpdatingHeading];
self.locationManager = nil;
}
- (void)dealloc {
[super dealloc];
}
@end