#import "ViewController.h"
#import <MapKit/MapKit.h>
#import "MYAnnotation.h"
@interface ViewController ()<MKMapViewDelegate>
@property(nonatomic,strong)CLLocationManager *mag;
@property(nonatomic,strong)CLGeocoder *ceocoder;
@property(nonatomic,strong)MKMapView*mapView;
@end
@implementation ViewController
-(MKMapView*)mapView
{
if (!_mapView) {
_mapView=[[MKMapView alloc]init];
}
return _mapView;
}
- (void)viewDidLoad {
[super viewDidLoad];
self.mag=[[CLLocationManager alloc]init];
[self.mag requestAlwaysAuthorization];
[self.mag requestWhenInUseAuthorization];
//必须要记录要不不会进行用户权限验证
// CLLocationManager *mags=[[CLLocationManager alloc]init];
// [mags requestAlwaysAuthorization];
// [mags requestWhenInUseAuthorization];
self.mapView.frame=self.view.bounds;
//self.mapView.visibleMapRect=MKMapRectMake(20, 20, 200, 200);
[self.view addSubview:self.mapView];
//设置地图的代理
self.mapView.delegate=self;
self.mapView.showsUserLocation=YES;
self.mapView.userTrackingMode=MKUserTrackingModeFollow;
}
//更新用户信息
-(void)mapView:(MKMapView *)mapView didUpdateUserLocation:(MKUserLocation *)userLocation
{
[self.ceocoder reverseGeocodeLocation:userLocation.location completionHandler:^(NSArray *placemarks, NSError *error) {
CLPlacemark *mark=[placemarks firstObject];
userLocation.title=mark.name;
userLocation.subtitle=mark.locality;
}];
//设置地图显示的区域
CLLocationCoordinate2D center=userLocation.location.coordinate;
//指定经纬度跨度
MKCoordinateSpan Span=MKCoordinateSpanMake(15, 15);
//将用户当前位置作为中心
MKCoordinateRegion region=MKCoordinateRegionMake(center, Span);
//设置显示区域
[self.mapView setRegion:region animated:YES];
}
//加载大头针
-(MKAnnotationView *)mapView:(MKMapView *)mapView viewForAnnotation:(id<MKAnnotation>)annotation
{
if ([annotation isKindOfClass:[MKUserLocation class]]) {
return nil;
}
static NSString*ID=@"anno";
MKPinAnnotationView *annotationView=(MKPinAnnotationView*)[mapView dequeueReusableAnnotationViewWithIdentifier:ID];
if (annotationView==nil) {
annotationView=[[MKPinAnnotationView alloc]initWithAnnotation:annotation reuseIdentifier:ID];
}
//设置大头针的颜色
annotationView.pinColor=MKPinAnnotationColorPurple;
//设置大头针动画
annotationView.animatesDrop=YES;
return annotationView;
}
-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
CGPoint point=[[touches anyObject] locationInView:self.mapView];
CLLocationCoordinate2D coordinate=[self.mapView convertPoint:point toCoordinateFromView:self.mapView];
//添加大头针
MYAnnotation *anno=[[MYAnnotation alloc]init];
anno.title=@"你想要的";
anno.subtitle=@"可以用CLGeocoder解析出来位置";
anno.coordinate=coordinate;
[self.mapView addAnnotation:anno];
}
@end
#import <Foundation/Foundation.h>
#import <MapKit/MapKit.h>
@interface MYAnnotation : NSObject<MKAnnotation>
@property(nonatomic,assign)CLLocationCoordinate2D coordinate;
@property(nonatomic,copy)NSString*title;
@property(nonatomic,copy)NSString*subtitle;
@end
@implementation MYAnnotation
@end