iOS_mapKit与Core Location

#import "ViewController.h"
#import <MapKit/MapKit.h>
#import "MyAnnotation.h"
@interface ViewController ()<MKMapViewDelegate>
@property (weak, nonatomic) IBOutlet MKMapView *mapView;

@property (weak, nonatomic) IBOutlet UITextField *latitude;
@property (weak, nonatomic) IBOutlet UITextField *longitude;

@end

@implementation ViewController

- (void)viewDidLoad
{
    [super viewDidLoad];
    
    //设置地图的显示风格
    self.mapView.mapType = MKMapTypeStandard;
    //设置地图可缩放
    self.mapView.zoomEnabled = YES;
    //设置地图可滚动
    self.mapView.scrollEnabled = YES;
    //设置地图可旋转
    self.mapView.rotateEnabled = YES;
    //设置显示用户显示位置
    self.mapView.showsUserLocation = YES;
    //为MKMapView设置delegate
    self.mapView.delegate = self;
//    [self locateToLatitude:23.12672 longtitude:113.395];
    NSLog(@"用户当前是否位于地图中：%d",self.mapView.userLocationVisible);
    
}
- (IBAction)goClicked:(UIButton *)sender
{
    //关闭两个文本框的虚拟键盘
//    [self.latitude resignFirstResponder];
//    [self.longitude resignFirstResponder];
    //经度
    NSString *latitudeStr = self.latitude.text;
    //纬度
    NSString *longtitudeStr = self.longitude.text;
    //如果用户输入的经度、纬度为空
    if (latitudeStr != nil && latitudeStr.length > 0
        && longtitudeStr!= nil && longtitudeStr.length > 0)
    {
        //设置经度、纬度
        [self locateToLatitude:latitudeStr.floatValue longtitude:longtitudeStr.floatValue];
    }
}
-(void)locateToLatitude:(CGFloat)latitude longtitude:(CGFloat)longitude
{
    //设置地图中的的经度、纬度
    CLLocationCoordinate2D center = {latitude,longitude};
    //也可以使用如下方式设置经度、纬度
    //center.latitude = latitude;
    //center.longitude = longitude;
    //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];
    
    UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc]initWithTarget:self action:@selector(longPress:)];
    [self.mapView addGestureRecognizer:longPress];
}

-(void)longPress:(UILongPressGestureRecognizer *)sender
{
    CGPoint location = [sender locationInView:self.mapView];
    //转换经纬度
    CLLocationCoordinate2D coordinate = [self.mapView convertPoint:location toCoordinateFromView:self.mapView];
    // 创建标注
    MyAnnotation *annotation = [[MyAnnotation alloc]init];
    annotation.coordinate = coordinate;
    annotation.title = @"新的标注";
    annotation.subtitle = @"开发...";
    [self.mapView addAnnotation:annotation];
}
#pragma mark - mapView代理方法

#pragma mark 显示标注视图
-(MKAnnotationView *)mapView:(MKMapView *)mapView viewForAnnotation:(id<MKAnnotation>)annotation
{
    static NSString *annotationID = @"annotation";
    MKPinAnnotationView *view = (MKPinAnnotationView *)[mapView dequeueReusableAnnotationViewWithIdentifier:annotationID];
    if (!view)
    {
        view = [[MKPinAnnotationView alloc]init];
    }
    view.annotation = annotation;
//    view.leftCalloutAccessoryView
    view.pinColor = MKPinAnnotationColorGreen;
    view.canShowCallout = YES;
    return view;
}
#pragma mark 代理方法
-(void)mapView:(MKMapView *)mapView didUpdateUserLocation:(MKUserLocation *)userLocation
{
    
    CLLocationCoordinate2D coordinate = userLocation.location.coordinate;
    MKCoordinateSpan span = {0.001,0.001};
    MKCoordinateRegion region = {coordinate,span};
    //设置显示区域
    [self.mapView setRegion:region animated:YES];
    
    MyAnnotation *annotation = [[MyAnnotation alloc]init];
    annotation.coordinate = coordinate;
    annotation.title = @"中国";
    annotation.subtitle = @"好牛B的地方";
    //让地图显示标注的区域
    [self.mapView setCenterCoordinate:annotation.coordinate animated:YES];
    

}
//当MKMapView显示区域将要发生改变时激发该方法
-(void)mapView:(MKMapView *)mapView regionWillChangeAnimated:(BOOL)animated
{
    NSLog(@"地图控件的显示区域要发生改变");
}
//当MKMapView显示区域改变完成时激发该方法
-(void)mapView:(MKMapView *)mapView regionDidChangeAnimated:(BOOL)animated
{
    NSLog(@"地图控件完成了改变");
}
//当地图控件MKMapView开始加载数据时激发该方法
-(void)mapViewWillStartLoadingMap:(MKMapView *)mapView
{
    NSLog(@"地图控件开始加载地图数据");
    //创建MKCoordinateRegion对象，该对象代表地图的显示中心和显示范围
    MKCoordinateRegion region = mapView.region;
    self.latitude.text = [NSString stringWithFormat:@"%f",region.center.latitude];
    self.longitude.text = [NSString stringWithFormat:@"%f",region.center.longitude];
    
}
//当MKMapView加载数据完成时激发该方法
-(void)mapViewDidFinishLoadingMap:(MKMapView *)mapView
{
    NSLog(@"地图控件加载地图数据完成");
    NSLog(@"%@",mapView);
}
//当MKMapView加载数据失败时激发该方法
-(void)mapViewDidFailLoadingMap:(MKMapView *)mapView withError:(NSError *)error
{
    NSLog(@"地图控件加载地图数据发生错误：错误信息：%@",error);
}
//当MKMapView开始渲染地图时激发该方法
-(void)mapViewWillStartRenderingMap:(MKMapView *)mapView
{
    NSLog(@"地图控件开始渲染地图");
}
//当MKMapView渲染地图完成时激发该方法
-(void)mapViewDidFinishRenderingMap:(MKMapView *)mapView fullyRendered:(BOOL)fullyRendered
{
    NSLog(@"地图控件渲染完成");
}
@end

#import <Foundation/Foundation.h>
#import <MapKit/MapKit.h>
@interface MyAnnotation : NSObject<MKAnnotation>
@property(copy,nonatomic)NSString *title;
@property(copy,nonatomic)NSString *subtitle;
@property(assign,nonatomic)CLLocationCoordinate2D coordinate;
@end

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

@interface ViewController ()<CLLocationManagerDelegate>
@property(strong,nonatomic)CLLocationManager *locationManager;
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // 创建定位管理器
    self.locationManager = [[CLLocationManager alloc]init];
    //获取用户授权
    [self.locationManager requestAlwaysAuthorization];
    
    //获取当前授权状态
    CLAuthorizationStatus status = [CLLocationManager authorizationStatus];
    if (status == kCLAuthorizationStatusAuthorizedAlways || status == kCLAuthorizationStatusAuthorizedWhenInUse)
    {
        NSLog(@"授权通过");
    }
    else
    {
        NSLog(@"授权不通过");
    }
    //设置代理
    self.locationManager.delegate = self;
    //设置经度
    self.locationManager.desiredAccuracy =kCLLocationAccuracyBest;
    //开始定位
    [self.locationManager startUpdatingLocation];
}
#pragma mark - 定位管理器的代理方法
-(void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray *)locations
{
   // NSLog(@"%@",locations);
    //取出位置信息
    CLLocation *location = [locations lastObject];
    
    //创建地理信息编解码对象
    CLGeocoder *geoCoder = [[CLGeocoder alloc]init];
    
    //转换位置信息
    [geoCoder reverseGeocodeLocation:location completionHandler:^(NSArray *placemarks, NSError *error) {
//        NSLog(@"%@",placemarks[0]);
        CLPlacemark *placeMark = placemarks[0];
        NSLog(@"%@%@",placeMark.country,placeMark.locality);
    }];
}
-(void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *)error
{
    NSLog(@"%@",error);
}
-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
    CLGeocoder *geoCoder = [[CLGeocoder alloc]init];
    [geoCoder geocodeAddressString:@"西三旗" completionHandler:^(NSArray *placemarks, NSError *error) {
        if ([placemarks count] == 0) {
            NSLog(@"没有找到相应的地理信息");
        }
        else
        {
            CLPlacemark *placemark = [placemarks objectAtIndex:0];
            //NSLog(@"%@",placeMark);
            // NSLog(@"%f,%f",placeMark.location.coordinate.latitude,placeMark.location.coordinate.longitude);
            
            MKMapItem *mapItem1 = [[MKMapItem alloc]initWithPlacemark:(MKPlacemark*)placemark];
            [geoCoder geocodeAddressString:@"八达岭长城" completionHandler:^(NSArray *placemarks, NSError *error) {
                MKMapItem *mapItem2 = [[MKMapItem alloc]initWithPlacemark:(MKPlacemark*)placemarks[0]];
                //调用系统地图打开一个位置
                [MKMapItem openMapsWithItems:@[mapItem1,mapItem2] launchOptions:nil];
            }];
        }
    }];
}
@end

#import "ViewController.h"
#import <MapKit/MapKit.h>
#import "MyAnnoation.h"
@interface ViewController ()<MKMapViewDelegate>
@property(strong,nonatomic)MKMapView *mapView;

@end

@implementation ViewController


- (void)viewDidLoad {
    [super viewDidLoad];
    // 创建mapView
    self.mapView = [[MKMapView alloc]initWithFrame:self.view.frame];
    //设置地图的类型
    self.mapView.mapType = MKMapTypeStandard;
    [self.view addSubview:self.mapView];
    
    self.mapView.delegate = self;
    
    //创建标注
    MyAnnoation *annoation = [[MyAnnoation alloc]init];
    annoation.coordinate= CLLocationCoordinate2DMake(40, 100);
    annoation.title = @"中国";
    annoation.subtitle = @"好牛B的地方";
    //添加标注
    [self.mapView addAnnotation:annoation];
    
    //让地图显示标注的区域
    [self.mapView setCenterCoordinate:annoation.coordinate animated:YES];
    
    //添加手势
    UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc]initWithTarget:self action:@selector(longPress:)];
    [self.mapView addGestureRecognizer:longPress];
}
-(void)longPress:(UILongPressGestureRecognizer *)sender
{

    //获取当前位置
    CGPoint location = [sender locationInView:self.view];
    //转换经纬度
    CLLocationCoordinate2D coordinate =[self.mapView convertPoint:location toCoordinateFromView:self.mapView];
    //创建标注
    MyAnnoation *annotation = [[MyAnnoation alloc]init];
    annotation.coordinate = coordinate;
    annotation.title = @"新的标注";
    annotation.subtitle = @"待开发。。";
    //添加标注
    [self.mapView addAnnotation:annotation];
    
}
#pragma mark - mapView代理方法
#pragma mark 显示标注视图
-(MKAnnotationView *)mapView:(MKMapView *)mapView viewForAnnotation:(id<MKAnnotation>)annotation
{
    static NSString *annotationID =@"annotation";
    //先从重用队列中去找
    MKPinAnnotationView *view = (MKPinAnnotationView *)[mapView dequeueReusableAnnotationViewWithIdentifier:annotationID];
    //如果找不到，自己创建
    if (!view)
    {
        view = [[MKPinAnnotationView alloc]init];
    }
    //设置属性
    view.annotation = annotation;
    view.canShowCallout = YES;//显示气泡视图
    view.pinColor = MKPinAnnotationColorPurple;//设置大头针颜色
    //显示图片（这种方式设置图片会取代大头针）
    view.image  = [UIImage imageNamed:@"0.png"];
    //设置气泡的辅助视图（显示图片）
    view.leftCalloutAccessoryView = [[UIImageView alloc]initWithImage:[UIImage imageNamed:@"0.png"]];
    return view;
}
#pragma mark 选中了标注后的处理

-(void)mapView:(MKMapView *)mapView didSelectAnnotationView:(MKAnnotationView *)view
{
    NSLog(@"选中了标注");
}
-(void)mapView:(MKMapView *)mapView didDeselectAnnotationView:(MKAnnotationView *)view
{
    NSLog(@"取消了标注");
}
@end