iOS App Development

Q.1 Tracking Locationhttp://iosappdev.co.kr

13년 2월 28일 목

CLLocationManager

Core Location Framework

<CoreLocation/CoreLocation.h>

Interface for delivering Location Update

13년 2월 28일 목

CLLocationManagerSteps to use: Simplest Example

Instantiate - [[... alloc] init];

Setup desiredAccuracy @property

Implement and Assign a Delegate

delegate @property

CLLocationManagerDelegate

[... startUpdatingLocation]

Receive Update: CLLocation object

13년 2월 28일 목

CLLocationManagerInitialize and Start Updating

@interface ......@property (nonatomic, strong) CLLocationManager *locationManager;...@end// in a method // Instantiate

self.locationManager = [[CLLocationManager alloc] init]; // Setup Delegate: See Next Slide self.locationManager.delegate = self; // Setup Accuracy CLLocationAccuracy accuracy = kCLLocationAccuracyNearestTenMeters; self.locationManager.desiredAccuracy = accuracy; // Start! [self.locationManager startUpdatingLocation];...

13년 2월 28일 목

CLLocationManagerSetup a Delegate

@interface KMUViewController () <CLLocationManagerDelegate>......@end// in a method, before starting update ... self.locationManager.delegate = self;...

#pragma mark - CLLocationManagerDelegate- (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray *)locations{ CLLocation *location = [locations lastObject]; CLLocationDegrees lat = location.coordinate.latitude; CLLocationDegrees lon = location.coordinate.longitude; // ... self.textField.text = [location description];}

13년 2월 28일 목

Demo

/ Demos / Day2 / Demo / Location /

https://github.com/iosappdev/KMU2013

13년 2월 28일 목

Testing in Simulator

http://iosappdev.co.kr

13년 2월 28일 목