CYC-MKMapView用法

#import "ViewController.h"
#import <CoreLocation/CoreLocation.h>
#import <MapKit/MapKit.h>

@interface ViewController ()<MKMapViewDelegate>

@property (nonatomic, strong) CLLocationManager *locationManager;
@property (nonatomic,strong) MKMapView *mapView;
@property (nonatomic, strong) CLGeocoder *geocoder;

@end

@implementation ViewController

- (void)viewDidLoad {
[super viewDidLoad];

// 初始化
self.locationManager = [[CLLocationManager alloc] init];

// 设置代理
self.locationManager.delegate = self;

// 定位精度
self.locationManager.desiredAccuracy =  kCLLocationAccuracyBest;

// 设置多少米更新一次距离
self.locationManager.distanceFilter = 100;

// 请求位置信息
[self.locationManager requestAlwaysAuthorization];

// 开始请求位置信息
[self.locationManager startUpdatingLocation];

// 将位置信息装换为经纬度
[self.geocoder geocodeAddressString:@"北京" completionHandler:^(NSArray *placemarks, NSError *error) {

CLPlacemark *placemack = [placemarks firstObject];
// 经度
CGFloat longitude = placemack.location.coordinate.longitude;
// 维度
CGFloat  latitude = placemack.location.coordinate.latitude;
NSLog(@"地理位置!!!!! ~~维度%f  经度%f", latitude, longitude);
}];

// 地图初始化
self.mapView = [[MKMapView alloc] initWithFrame:self.view.bounds];

// 设置代理
self.mapView.delegate = self;

// 设置地图跟随移动
self.mapView.userTrackingMode = MKUserTrackingModeFollow;

// 设置地图样式
self.mapView.mapType = MKMapTypeStandard;

[self.view addSubview:self.mapView];

}

#pragma mark - 代理方法

// 定位成功
- (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray *)locations
{
CLLocation *location = [locations firstObject];
NSLog(@"%@", location);

[self.geocoder reverseGeocodeLocation:location completionHandler:^(NSArray *placemarks, NSError *error) {
if (error) {
NSLog(@"%@", [error localizedDescription]);
} else {

CLPlacemark *placemark = [placemarks firstObject];
NSLog(@"%@", placemark.addressDictionary);

}

}];

}

// 定位失败
- (void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *)error
{
// 错误信息描述
NSLog(@"%@",[error localizedDescription]);
}

#pragma mark - 懒加载方法
- (CLGeocoder *)geocoder
{
if (!_geocoder) {
_geocoder = [[CLGeocoder alloc] init];
}

return _geocoder;
}