引入头文件
#import <CoreLocation/CoreLocation.h>
#import <MapKit/MapKit.h>
#import "MapViewController.h"
#import "AnnotationModel.h"
属性
@interface MapViewController ()<CLLocationManagerDelegate,MKMapViewDelegate>
@property (nonatomic, strong) CLLocationManager *manager;
@property (nonatomic, strong) MKMapView *mapView;
@property (nonatomic, strong) CLGeocoder *myGeocoder;
@property (nonatomic, strong) MKAnnotationView *annotation;
// 用于显示目的地详情，及导航按钮
@property (nonatomic, strong) UIView *viewLabel;
// 导航按钮
@property (nonatomic, strong) UIButton *guidanceBtn;
@property (nonatomic ,assign) CLLocationCoordinate2D ToCoords;
@property (nonatomic ,assign) CLLocationCoordinate2D FromCoords;
初始化
_manager = [[CLLocationManager alloc]init];
_manager.delegate = self;
[_manager requestAlwaysAuthorization];
[_manager startUpdatingLocation];
_mapView = [[MKMapView alloc]initWithFrame:CGRectMake(0, 0, SCREEN_WIDTH, SCREENHEIGHT)];
_mapView.delegate = self;
_mapView.showsUserLocation = YES;
_mapView.userTrackingMode = MKUserTrackingModeFollow;
_viewLabel = [[UIView alloc] initWithFrame:CGRectMake(0, SCREEN_HEIGHT - 80-64, SCREEN_WIDTH, 80)];
_viewLabel.backgroundColor = [UIColor whiteColor];
[_mapView addSubview:_viewLabel];
_guidanceBtn = [[UIButton alloc]initWithFrame:CGRectMake(SCREEN_WIDTH - 52, 5, 50, 30)];
_guidanceBtn.backgroundColor = [UIColor orangeColor];
[_guidanceBtn setTitle:@"导航" forState:UIControlStateNormal];
[_viewLabel addSubview:_guidanceBtn];
[_guidanceBtn addTarget:self action:@selector(btnClick) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:self.mapView];
_mapView.delegate = self;
设置定位精确度
_manager.desiredAccuracy = kCLLocationAccuracyBest;
地理编码获取目的地经纬度
_myGeocoder = [[CLGeocoder alloc]init];
[self.myGeocoder geocodeAddressString:@"光谷国际广场"
completionHandler:^(NSArray *placemarks,NSError *error){
if(nil == error && [placemarks count] > 0){
CLPlacemark *pm = [placemarks objectAtIndex:0];
CLLocationCoordinate2D coords=
CLLocationCoordinate2DMake(pm.location.coordinate.latitude, pm.location.coordinate.longitude);
self.ToCoords = coords;
// 自定义的大头针
AnnotationModel *anno = [[AnnotationModel alloc]init];
anno.iconName = @"category_2";
anno.coordinate = CLLocationCoordinate2DMake(pm.location.coordinate.latitude, pm.location.coordinate.longitude);
NSLog(@"%f,%f",anno.coordinate.latitude,anno.coordinate.longitude);
// 地图显示精度
float zoomLevel = 0.01;
MKCoordinateRegion region = MKCoordinateRegionMake(coords, MKCoordinateSpanMake(zoomLevel, zoomLevel));
[_mapView setRegion:region animated:YES];
[_mapView addAnnotation:anno];
}else if([placemarks count] == 0 && error == nil){
NSLog(@"找不到给定地址的经纬度");
}
}];
#pragma mark - CLLocationManager的代理方法
/** 用户拒绝或同意授权后调用*/
- (void)locationManager:(CLLocationManager *)manager didChangeAuthorizationStatus:(CLAuthorizationStatus)status
{
}
- (void)locationManager:(CLLocationManager *)manager
didUpdateLocations:(NSArray<CLLocation *> *)locations
{
NSLog(@"--%f",manager.location.coordinate.latitude);
NSLog(@"--%f",manager.location.coordinate.longitude);
self.FromCoords = manager.location.coordinate;
[self.manager stopUpdatingLocation];
}
- (MKAnnotationView *)mapView:(MKMapView *)mapView viewForAnnotation: (id<MKAnnotation>)annotation
{
if ([annotation isKindOfClass:[MKUserLocation class]])
return nil;
_annotation = [self.mapView dequeueReusableAnnotationViewWithIdentifier:@"ID"];
if (_annotation == nil) {
_annotation = [[MKAnnotationView alloc]initWithAnnotation:annotation reuseIdentifier:@"ID"];
}
_annotation.canShowCallout = YES;
// 根据模型对象，决定本大头针显示的图片样式。
NSString *iconName = ((AnnotationModel *)annotation).iconName;
_annotation.image = [UIImage imageNamed:iconName];
return _annotation;
}
调用苹果自带地图导航
- (void)btnClick
{
//当前的位置
MKMapItem *currentLocation = [MKMapItem mapItemForCurrentLocation];
//起点
//MKMapItem *currentLocation = [[MKMapItem alloc] initWithPlacemark:[[MKPlacemark alloc] initWithCoordinate:coords1 addressDictionary:nil]];
//目的地的位置
MKMapItem *toLocation = [[MKMapItem alloc] initWithPlacemark:[[MKPlacemark alloc] initWithCoordinate:self.ToCoords addressDictionary:nil]];
toLocation.name = @"目的地";
NSArray *items = [NSArray arrayWithObjects:currentLocation, toLocation, nil];
NSDictionary *options = @{ MKLaunchOptionsDirectionsModeKey:MKLaunchOptionsDirectionsModeDriving, MKLaunchOptionsMapTypeKey: [NSNumber numberWithInteger:MKMapTypeStandard], MKLaunchOptionsShowsTrafficKey:@YES };
//打开苹果自身地图应用，并呈现特定的item
[MKMapItem openMapsWithItems:items launchOptions:options];
}
AnnotationModel.h
#import <Foundation/Foundation.h>
#import <MapKit/MapKit.h>
@interface AnnotationModel : NSObject <MKAnnotation>
@property (nonatomic, copy) NSString *iconName;
@property (nonatomic, assign) CLLocationCoordinate2D coordinate;
@property(nonatomic, readonly, copy) NSString *title;
@property(nonatomic, readonly, copy) NSString *subtitle;
@end
AnnotationModel.m
#import "AnnotationModel.h"
@implementation AnnotationModel
@end
