定位与地图

标签：interface   manager   

@interface ViewController ()

{

    CLLocationManager *manager;

}

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view, typically from a nib.

    manager = [[CLLocationManager alloc] init];

    [manager requestAlwaysAuthorization];

    MKMapView *mapView = [[MKMapView alloc] initWithFrame:self.view.bounds];

    mapView.delegate = self;

    mapView.mapType = MKMapTypeStandard;

    mapView.showsUserLocation = YES;

    //设置经纬度

    CLLocationCoordinate2D center = {39.9115696831,116.2396262413};

    //设置精确度,数值越大，显示的范围越大

    MKCoordinateSpan span = {0.1, 0.1};

    //创建一个区域

    MKCoordinateRegion region = {center, span};

    //设置显示的区域

    [mapView setRegion:region animated:YES];

    [self.view addSubview:mapView];

    //第二部 创建标注Annotation对象

    CLLocationCoordinate2D cl1 = {39.9231997850,116.1998431153};

    AnotationModel *model1 = [[AnotationModel alloc] initWithCoordinate:cl1];

    model1.title = @"八宝山";

    model1.subtitle = @"hehe八宝山";

    CLLocationCoordinate2D cl2 = {39.9190639028,116.1901162217};

    AnotationModel *model2 = [[AnotationModel alloc] initWithCoordinate:cl2];

    model2.title = @"石景山体育场";

    model2.subtitle = @"就是体育场";

    CLLocationCoordinate2D cl3 = {39.9013418421,116.5168125821};

    AnotationModel *model3 = [[AnotationModel alloc] initWithCoordinate:cl3];

    model3.title = @"北京东站";

    model3.subtitle = @"hehe北京东站";

    CLLocationCoordinate2D cl4 = {39.8566488252,116.3856497732};

    AnotationModel *model4 = [[AnotationModel alloc] initWithCoordinate:cl4];

    model4.title = @"bj南站";

    model4.subtitle = @"就是南站";

    //第三步 将Annotation对象添加到MapView中

    [mapView addAnnotation:model1];

    [mapView addAnnotation:model2];

    [mapView addAnnotation:model3];

    [mapView addAnnotation:model4];

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

#pragma mark -MKMapViewDelegate

#pragma mark -MKMapViewDelegate

- (void)mapView:(MKMapView *)mapView didUpdateUserLocation:(MKUserLocation *)userLocation

{

    NSLog(@"userLocation: %@", userLocation);

}

- (void)mapView:(MKMapView *)mapView didSelectAnnotationView:(MKAnnotationView *)view

{

    NSLog(@"view is %@", view);

}

/*第四步

 最后实现MKMapViewDelegate协议方法，在该代理中创建MKPinAnnotationView标注视图

 */

- (MKAnnotationView *)mapView:(MKMapView *)mapView viewForAnnotation:(id <MKAnnotation>)annotation

{

    NSLog(@"anotation: %@", annotation);

    //自己的位置也是一个标注视图，它是一个属于MKUserLocation这么一个类

    if ([annotation isKindOfClass:[MKUserLocation class]]) {

        //如果满足条件，说明当前是用户自己的位置，不需要我们设置标注视图

        return nil;

    }

    static NSString *identifier = @"annotationView";

    //MKPinAnnotationView是一个大头针视图

    MKPinAnnotationView *annotationView = (MKPinAnnotationView *)[mapView dequeueReusableAnnotationViewWithIdentifier:identifier];

    if (annotationView == nil) {

        annotationView = [[MKPinAnnotationView alloc] initWithAnnotation:nil reuseIdentifier:identifier];

        //设置大头针的颜色

        annotationView.pinColor = MKPinAnnotationColorPurple;

        //设置显示从天而降的动画

        annotationView.animatesDrop = YES;

        //是否显示标题视图

        annotationView.canShowCallout = YES;

        //设置辅助视图

        annotationView.rightCalloutAccessoryView = [UIButton buttonWithType:UIButtonTypeDetailDisclosure];

    }

    //防止复用

    annotationView.annotation = annotation;

    return annotationView;

}

定位与地图

标签：interface   manager   

原文地址：http://10577688.blog.51cto.com/10567688/1697915