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2014.05.24 20:19
[ios] 아이폰 GPS 사용하기
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GPS 사용을 위해서 CoreLocation.framework 프레임워크를 추가하고 아래 코드처럼..
# LocationServiceViewController.h
#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
# LocationServiceViewController.m
#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; // 위도 NSNumber *nLatitude = [NSNumber numberWithDouble:curPos.coordinate.latitude]; // 경도 NSNumber *nLongitude = [NSNumber numberWithDouble:curPos.coordinate.longitude]; 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 // 위도 NSNumber *nLatitude = [NSNumber numberWithDouble:newLocation.coordinate.latitude]; // 경도 NSNumber *nLongitude = [NSNumber numberWithDouble:newLocation.coordinate.longitude]; 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
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