#import "ViewController.h"
#import
#import
@interface ViewController ()
{
CLGeocoder* geocoder;
}
@property (strong, nonatomic) IBOutlet MKMapView *mapView;
@property (nonatomic,strong)CLLocationManager *locationManager;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
UIAlertView *alter = [[UIAlertView alloc]initWithTitle:@"提示" message:@"显示当前位置" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"确定", nil];
[alter show];
self.locationManager = [[CLLocationManager alloc] init];
// 获取用户的授权
[self.locationManager requestAlwaysAuthorization];
[self.locationManager setActivityType:CLActivityTypeOther];
self.locationManager.desiredAccuracy = kCLLocationAccuracyBest; // 定位精度
self.locationManager.delegate = self;
self.mapView.delegate = self;
[self.locationManager startUpdatingLocation];
// 创建一个手势处理器，用于检测、处理长按手势
UILongPressGestureRecognizer* gesture = [[UILongPressGestureRecognizer alloc]initWithTarget:self action:@selector(longPress:)];
// 为该控件添加手势处理器
[self.view addGestureRecognizer:gesture];
}
-(void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray *)locations
{
// 获取当前位置
CLLocation *currentLoc = [locations lastObject];
// 创建MKPointAnnotation对象——代表一个锚点
MKPointAnnotation* annotation = [[MKPointAnnotation alloc] init];
annotation.title = @"当前位置";
// 获取当前经纬度
CLLocationCoordinate2D center = currentLoc.coordinate;
annotation.coordinate = center;
// 添加锚点
[self.mapView addAnnotation:annotation];
// 设置地图显示的范围，
MKCoordinateSpan span;
// 地图显示范围越小，细节越清楚
span.latitudeDelta = 0.01;
span.longitudeDelta =0.01;
// 创建MKCoordinateRegion对象，该对象代表了地图的显示中心和显示范围。
MKCoordinateRegion region = {center,span};
// 设置当前地图的显示中心和显示范围
[self.mapView setRegion:region animated:YES];
}
-(void)longPress:(UILongPressGestureRecognizer *)sender
{
NSLog(@"1");
CGPoint point = [sender locationInView:_mapView];
CLLocationCoordinate2D coord = [_mapView convertPoint:point toCoordinateFromView:_mapView];
// CLLocation *location = [[CLLocation alloc] initWithLatitude:coord.latitude longitude:coord.longitude];
MKPointAnnotation *annocation = [[MKPointAnnotation alloc] init];
annocation.coordinate = coord;
annocation.title = @"我的锚点";
[_mapView addAnnotation:annocation];
}
#if 1
// MKMapViewDelegate协议中的方法，该方法的返回值可用于定制锚点控件的外观- (MKAnnotationView *) mapView:(MKMapView *)mapView viewForAnnotation:(id
{
static NSString* annoId = @"fkAnno";
// 获取可重用的锚点控件
MKAnnotationView* annoView = [mapView dequeueReusableAnnotationViewWithIdentifier:annoId];
// 如果可重用的锚点控件不存在，创建新的可重用锚点控件
if (!annoView)
{
annoView= [[MKAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:annoId];
/*
如果不想改变锚点控件的图片，只想改变颜色，则可创建MKPinAnnotationView实例
再修改MKPinAnnotationView对象的pinColor属性即可。
*/
}
// 为锚点控件设置图片
annoView.image = [UIImage imageNamed:@"pos.gif"];
// 设置该锚点控件是否可显示气泡信息
annoView.canShowCallout = YES;
// 可通过锚点控件的rightCalloutAccessoryView、leftCalloutAccessoryView设置附加控件
return annoView;
}
#endif