CS 696 Mobile Phone Application DevelopmentFall Semester, 2010Doc 18 MapKitNov 2, 2010Copyright ©, All rights reserved. 2010 SDSU & Roger Whitney, 5500 Campanile Drive, San Diego, CA 92182-7700 USA. OpenContent (http://www.opencontent.org/opl.shtml) license defines the copyright on this document.References2Location Awareness Programming Guide, Apple Documentation, http://developer.apple.com/library/ios/#documentation/UserExperience/Conceptual/LocationAwarenessPG/Introduction/Introduction.htmlMore iPhone 3 Development: Tacking iPhone SDK 3, Mark, LaMarche, Apress, 2009, Chapter 11Maps3MKMapViewMKMapViewDelegateMKReverseGeocoderDelegateCLLocationManagerDelegateClassesFrameworksCoreLocationMapKitGoogle Maps4http://code.google.com/apis/maps/iphone/terms.htmlMapkit uses Google mapsLicense AgreementLocation & Geocoding5Latitude & Longitude<+32.76572793, -117.07319879>Address5500 Campanile DriveSan Diego, CA 92182ReverseGeocodingGeocodingCoreLocation only supports reverse geocodingCoreLocation6CLLocationCLLocationManagerCLHeadingUsesGPSWifiCell Network More accurate the more powerkCLLocationAccuracyBest;kCLLocationAccuracyNearestTenMeters;kCLLocationAccuracyHundredMeters;kCLLocationAccuracyKilometer;kCLLocationAccuracyThreeKilometers;CLLocation7@property CLLocationCoordinate2D coordinate; @property CLLocationDistance altitude;@property CLLocationAccuracy horizontalAccuracy; @property CLLocationAccuracy verticalAccuracy;@property CLLocationDirection course; @property CLLocationSpeed speed;- (NSDate *)timeStamp; - (CLLocationDistance)distanceFromLocation:(CLLocation *)locationlocation: <+32.76572793, -117.07319879> +/- 100.00m (speed -1.00 mps / course -1.00) @ 2010-11-02 01:56:29 GMTPoint in real world plus direction and speedCLLocationManager8Starting point for Location@property CLLocation *location; @property id <CLLocationManagerDelegate> delegate;@property CLLocationDistance distanceFilter; @property CLLocationAccuracy verticalAccuracy;- (void)startUpdatingLocation - (void)stopUpdatingLocation - (void)startUpdatingHeading - (void)stopUpdatingHeading- (void)startMonitoringForRegion:(CLRegion *)region desiredAccuracy:(CLLocationAccuracy)accuracyCLLocationManagerDelegate9Callbacks for Location Change – locationManager:didUpdateToLocation:fromLocation: – locationManager:didFailWithError: – locationManager:didUpdateHeading: – locationManagerShouldDisplayHeadingCalibration: – locationManager:didEnterRegion: – locationManager:didExitRegion: – locationManager:monitoringDidFailForRegion:withError:Callbacks for Heading ChangeCallbacks for Region EventsMapKit10Displays Google MapsReverse GeocodingPins on maps (annotations)MKMapViewMKMapViewDelegateMKAnnotationMKPlacemarkMKUserLocationMKReverseGeocoderMKMapView11Displays mapMap & SatellitePanning & zoomingAnnotationsUser locationMKMapViewDelegate12Responding to Map Position Changes – mapView:regionWillChangeAnimated: – mapView:regionDidChangeAnimated:Loading the Map Data – mapViewWillStartLoadingMap: – mapViewDidFinishLoadingMap: – mapViewDidFailLoadingMap:withError:Tracking the User Location – mapViewWillStartLocatingUser: – mapViewDidStopLocatingUser: – mapView:didUpdateUserLocation: – mapView:didFailToLocateUserWithError:Managing Annotation Views – mapView:viewForAnnotation: – mapView:didAddAnnotationViews: – mapView:annotationView:calloutAccessoryControlTapped:Dragging an Annotation View – mapView:annotationView:didChangeDragState:fromOldState:Selecting Annotation Views – mapView:didSelectAnnotationView: – mapView:didDeselectAnnotationView:Managing Overlay Views – mapView:viewForOverlay: – mapView:didAddOverlayViews:TextMKAnnotation13Add to map view to show pinsOnly a protocolNeed to create class that implements protocol@property CLLocationCoordinate2D coordinate;@property NSString *title; @property NSString *subtitle;MKReverseGeocoder14Reverse geocodes latitude/longitude to addressNeeds delegate to get resultExample15Need to add Frameworks:MapKitCoreLocationMapViewController16#import <UIKit/UIKit.h>#import <MapKit/MapKit.h>#import <CoreLocation/CoreLocation.h>@interface MapViewController : UIViewController <CLLocationManagerDelegate, MKReverseGeocoderDelegate, MKMapViewDelegate>{}@property (nonatomic, retain) IBOutlet MKMapView *mapView;- (IBAction)findMe;- (IBAction)showThere;@endShowing the World17- (void)viewDidLoad { [super viewDidLoad]; mapView.mapType = MKMapTypeStandard; mapView.showsUserLocation = YES;}Restricting the Map18- (void)viewDidLoad { [super viewDidLoad]; CLLocationCoordinate2D sanDiego = {latitude: 32.76572795, longitude: -117.07319880}; MKCoordinateSpan span = {latitudeDelta: 0.9, longitudeDelta: 0.5}; MKCoordinateRegion county = {sanDiego, span}; mapView.region = county; mapView.mapType = MKMapTypeStandard; mapView.showsUserLocation = YES;}Adding an annotation19- (IBAction)showThere { AnnotatedLocation *annotation = [[AnnotatedLocation alloc] init]; CLLocationCoordinate2D there = {latitude: 32.955, longitude: -117.2459}; annotation.coordinate = there; [annotation setTitle: @"There"]; annotation.subtitle = @"You are not here"; [mapView addAnnotation:annotation]; [annotation release]; }AnnotatedLocation20#import <Foundation/Foundation.h>#import <MapKit/MapKit.h>@interface AnnotatedLocation : NSObject <MKAnnotation>{ NSString * title;}@property (nonatomic, readwrite) CLLocationCoordinate2D coordinate;@property (nonatomic, readwrite, retain) NSString *subtitle;- (void)setTitle: (NSString *) aTitle; @property (nonatomic, copy) NSString *streetAddress;@property (nonatomic, copy) NSString *city;@property (nonatomic, copy) NSString *state;@property (nonatomic, copy) NSString *zip;@endAnnotatedLocation21@implementation AnnotatedLocation@synthesize coordinate;@synthesize subtitle;@synthesize streetAddress;@synthesize city;@synthesize state;@synthesize zip;- (NSString *)title { return title; }- (void)setTitle: (NSString *) aTitle { title = [aTitle copy];}@endUsing Location Manager22- (IBAction)findMe { NSLog(@"FindMe"); CLLocationManager *finder = [[CLLocationManager alloc] init]; finder.delegate = self; finder.desiredAccuracy = kCLLocationAccuracyBest; [finder startUpdatingLocation]; }Location Manager Delegate Methods23- (void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *)error { NSString *errorType = (error.code ==