地图对无涯教程找到位置始终很有帮助。使用MapKit框架将Map集成到iOS中。
涉及步骤
步骤1 - 创建一个基于视图的简单应用程序。
步骤2 - 选择您的项目文件,然后选择目标,然后添加MapKit.framework。
步骤3 - 无涯教程还应该添加Corelocation.framework。
步骤4 - 将MapView添加到ViewController.xib并创建一个ibOutlet并将其命名为mapView。
步骤5 - 选择"文件"→"新建"→"文件...",然后选择" Objective C class",然后单击"Next"。
步骤6 - 将类命名为MapAnnotation,将"sub class of"命名为NSObject。
步骤7 - 选择创建。
步骤8 - 如下更新MapAnnotation.h-
#import <Foundation/Foundation.h> #import <MapKit/MapKit.h> @interface MapAnnotation : NSObject<MKAnnotation> @property (nonatomic, strong) NSString *title; @property (nonatomic, readwrite) CLLocationCoordinate2D coordinate; - (id)initWithTitle:(NSString *)title andCoordinate: (CLLocationCoordinate2D)coordinate2d; @end
步骤9 - 如下更新 MapAnnotation.m -
#import "MapAnnotation.h" @implementation MapAnnotation -(id)initWithTitle:(NSString *)title andCoordinate: (CLLocationCoordinate2D)coordinate2d { self.title = title; self.coordinate =coordinate2d; return self; } @end
步骤10 - 如下更新 ViewController.h -
#import <UIKit/UIKit.h> #import <MapKit/MapKit.h> #import <CoreLocation/CoreLocation.h> @interface ViewController : UIViewController<MKMapViewDelegate> { MKMapView *mapView; } @end
步骤11 - 如下更新 ViewController.m -
#import "ViewController.h" #import "MapAnnotation.h" @interface ViewController () @end @implementation ViewController - (void)viewDidLoad { [super viewDidLoad]; mapView = [[MKMapView alloc]initWithFrame: CGRectMake(10, 100, 300, 300)]; mapView.delegate = self; mapView.centerCoordinate = CLLocationCoordinate2DMake(37.32, -122.03); mapView.mapType = MKMapTypeHybrid; CLLocationCoordinate2D location; location.latitude = (double) 37.332768; location.longitude = (double) -122.030039; //将注释添加到我们的地图视图 MapAnnotation *newAnnotation = [[MapAnnotation alloc] initWithTitle:@"Apple Head quaters" andCoordinate:location]; [mapView addAnnotation:newAnnotation]; CLLocationCoordinate2D location2; location2.latitude = (double) 37.35239; location2.longitude = (double) -122.025919; MapAnnotation *newAnnotation2 = [[MapAnnotation alloc] initWithTitle:@"Test annotation" andCoordinate:location2]; [mapView addAnnotation:newAnnotation2]; [self.view addSubview:mapView]; } //添加地图标注点时,缩放到它(1500范围) - (void)mapView:(MKMapView *)mv didAddAnnotationViews:(NSArray *)views { MKAnnotationView *annotationView = [views objectAtIndex:0]; id <MKAnnotation> mp = [annotationView annotation]; MKCoordinateRegion region = MKCoordinateRegionMakeWithDistance ([mp coordinate], 1500, 1500); [mv setRegion:region animated:YES]; [mv selectAnnotation:mp animated:YES]; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; //Dispose of any resources that can be recreated. } @end
运行应用程序时,将得到如下所示的输出-
当无涯教程向上滚动地图时,将得到如下所示的输出-
参考链接
https://www.learnfk.com/ios/ios-accessing-maps.html
标签:教程,title,步骤,OC,无涯,MapAnnotation,ViewController,import,mapView From: https://blog.51cto.com/u_14033984/7705553