苹果地图使用之MKMapView定位显示

来源：互联网发布：hbase java api 编辑：程序博客网时间：2024/04/29 19:02
#import <MapKit/MapKit.h>#define kScreenWidht  [UIScreen mainScreen].bounds.size.width#define kScreenHeight [UIScreen mainScreen].bounds.size.height@interface ViewController () <MKMapViewDelegate>@property (nonatomic, strong) MKMapView *mapView;@property (nonatomic, strong) CLLocationManager *locationManager;@end@implementation ViewController- (void)viewDidLoad {    [super viewDidLoad];        _mapView = [[MKMapView alloc] initWithFrame:self.view.bounds];    _mapView.delegate = self;    [_mapView setUserTrackingMode:MKUserTrackingModeFollow];    [self.view addSubview:_mapView];        _locationManager = [[CLLocationManager alloc] init];    [_locationManager requestAlwaysAuthorization];        CLLocationCoordinate2D coordinate = {30.26667, 120.20000};    [_mapView setCenterCoordinate:coordinate animated:YES];        // 定位按钮    UIButton *resetLocationBtn = [[UIButton alloc] initWithFrame:CGRectMake(10, kScreenHeight - 45, 30, 35)];    [resetLocationBtn setBackgroundImage:[UIImage imageNamed:@"location.jpg"] forState:UIControlStateNormal];    [resetLocationBtn addTarget:self action:@selector(resetLocation:) forControlEvents:UIControlEventTouchUpInside];    [self.view addSubview:resetLocationBtn];}#pragma mark - MKMapViewDelegate- (void)mapView:(MKMapView *)mapView didUpdateUserLocation:(MKUserLocation *)userLocation{    // 位置发生变化调用    NSLog(@"lan = %f, long = %f", userLocation.coordinate.latitude, userLocation.coordinate.longitude);}- (void)resetLocation:(id)sender {    // 定位到我的位置    [_mapView setCenterCoordinate:_mapView.userLocation.coordinate animated:YES];}@end
0 0