[x-Code7新功能之四]Core Location和MapKit框架练习

#import <UIKit/UIKit.h>#import <CoreLocation/CoreLocation.h>#import <MapKit/MapKit.h>@interface MyAnnotication : NSObject<MKAnnotation>@property (nonatomic) CLLocationCoordinate2D coordinate;@property (nonatomic, copy) NSString *title;@property (nonatomic, copy) NSString *subtitle;@end@interface ViewController : UIViewController<CLLocationManagerDelegate,MKMapViewDelegate>@end

#import "ViewController.h"@implementation MyAnnotication@end@interface ViewController ()@end@implementation ViewController{    CLLocationManager* _Manager;    CLGeocoder* _Geocoder;    CLLocation* _MyLocation;    MKMapView* _MapView;}- (void)viewDidLoad {    [super viewDidLoad];    _Manager = [[CLLocationManager alloc] init];    _MapView = [[MKMapView alloc] initWithFrame:[UIScreen mainScreen].bounds];    _MapView.delegate = self;    _MapView.userTrackingMode = MKUserTrackingModeFollow;    [self.view addSubview:_MapView];    if (![CLLocationManager locationServicesEnabled]) {        NSLog(@"定位功能还没有打开");        return;    }    CLAuthorizationStatus state = [CLLocationManager authorizationStatus];    if (state ==kCLAuthorizationStatusNotDetermined){        [_Manager requestWhenInUseAuthorization];    }    else if (state == kCLAuthorizationStatusAuthorizedWhenInUse){        _Manager.delegate = self;        _Manager.desiredAccuracy = kCLLocationAccuracyNearestTenMeters;        CLLocationDistance distance = 10.0;        _Manager.distanceFilter = distance;        [_Manager startUpdatingLocation];    }            _Geocoder = [[CLGeocoder alloc] init];        /*地理编码测试*///    [_Geocoder geocodeAddressString:@"昌平区沙河镇" completionHandler:^(NSArray<CLPlacemark *> * _Nullable placemarks, NSError * _Nullable error) {//        [placemarks enumerateObjectsUsingBlock:^(CLPlacemark * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {//            CLLocation* Location = obj.location;//            CLRegion* Region = obj.region;//            NSData* data = [NSJSONSerialization dataWithJSONObject:obj.addressDictionary options:NSJSONWritingPrettyPrinted error:nil];//            NSString* str = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];//            NSLog(@"位置:%@,区域:%@,详细信息:%@",Location,Region,str);//        }];//    }];}-(void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray<CLLocation *> *)locations{    _MyLocation = [locations firstObject];    CLLocationCoordinate2D FirstCoordinate = [_MyLocation coordinate];    NSLog(@"经度：%f,纬度：%f,海拔：%f,航向：%f,行走速度：%f",FirstCoordinate.longitude,FirstCoordinate.latitude,_MyLocation.altitude,_MyLocation.course,_MyLocation.speed);    /*地理反编码测试～*/    [_Geocoder reverseGeocodeLocation:_MyLocation completionHandler:^(NSArray<CLPlacemark *> * _Nullable placemarks, NSError * _Nullable error) {        CLPlacemark *placemark=[placemarks firstObject];        NSData* data = [NSJSONSerialization dataWithJSONObject:placemark.addressDictionary options:NSJSONWritingPrettyPrinted error:nil];        NSString* str = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];        MyAnnotication *annotation1=[[MyAnnotication alloc]init];        annotation1.title=[placemark.addressDictionary valueForKey:@"Name"];        annotation1.subtitle=[placemark.addressDictionary valueForKey:@"SubLocality"];        annotation1.coordinate=FirstCoordinate;        [_MapView addAnnotation:annotation1];                /*定位一次后，关闭*/        [_Manager stopUpdatingLocation];        NSLog(@"详细信息:%@",str);    }];}-(MKAnnotationView*)mapView:(MKMapView *)mapView viewForAnnotation:(id<MKAnnotation>)annotation{    static NSString* ViewIdentifer = @"ViewIdentifer";    if ([annotation isKindOfClass:[MyAnnotication class]]) {        MKAnnotationView* AnnotationView = [mapView dequeueReusableAnnotationViewWithIdentifier:ViewIdentifer];        if (!AnnotationView) {            AnnotationView = [[MKAnnotationView alloc] initWithAnnotation:annotation                                                          reuseIdentifier:ViewIdentifer];            AnnotationView.canShowCallout = YES;/*允许用户点击*/            AnnotationView.calloutOffset = CGPointMake(0, 1);            AnnotationView.leftCalloutAccessoryView =[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"J.jpg"]];            /*如果不设置这个值，什么都看不到～*/            AnnotationView.image = [UIImage imageNamed:@"J.jpg"];        }        return AnnotationView;    }    else{        return nil;    }   }- (void)didReceiveMemoryWarning {    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}@end

定位效果还挺理想，不错啊。

想利用这个写个移动签到的小程序。。。

参考：http://www.cnblogs.com/kenshincui/p/4125570.html