大佬教程收集整理的这篇文章主要介绍了iphone – 一旦地图加载,显示带标题(注释)的Pin，大佬教程大佬觉得挺不错的，现在分享给大家，也给大家做个参考。
FirstLocateViewController.m代码：
#import "FirstLocateViewController.h" @implementation FirstLocateViewController @synthesize dismissviewButton; -(IBACtion)dismissview:(id)sender { [self dismissModalViewControllerAnimated:YES]; } - (void)viewDidLoad { [super viewDidLoad]; CGRect frame = CGRectMake(0,320,420); mapView = [[MKMapView alloc] initWithFrame:frame]; mapView.mapType = MKMapTypeStandard; CLLOCATIOnCoordinate2D coord = {latitude: 12.3456,longitude: -7.890}; MKCoordinateSpan span = {latitudeDelta: 0.05,longitudeDelta: 0.05}; MKCoordinateRegion region = {Coord,span}; [mapView setRegion:region]; [self.view addSubview:mapView];
}
FirstLocateViewController.h代码：
#import <UIKit/UIKit.h> #import <MapKit/MapKit.h> #import <MapKit/MKAnnotation.h> @interface FirstLocateViewController : UIViewController <MKMapViewDelegate> { UIButton *dismissviewButton; MKMapView *mapView; } @property (nonatomic,retain) IBOutlet UIButton *dismissviewButton; - (IBACtion)dismissviewButton:(id)sender; @end
感谢您提前获得任何重要帮助.
#import <Foundation/Foundation.h> #import <MapKit/MKAnnotation.h> @interface Displaymap : NSObject <MKAnnotation> { CLLOCATIOnCoordinate2D coordinate; NSString *title; NSString *subtitle; } @property (nonatomic,assign) CLLOCATIOnCoordinate2D coordinate; @property (nonatomic,copy) NSString *title; @property (nonatomic,copy) NSString *subtitle; @end
和.m文件
#import "Displaymap.h" @implementation Displaymap @synthesize coordinate,subtitle; -(void)dealloc{ [title release]; [super dealloc]; } @end
Displaymap *Ann = [[Displaymap alloc] init]; Ann.title=@"put title here"; Ann.coordinate = region.center; [mapView addAnnotation:Ann];
并实现以下@L_772_23@
-(MKAnnotationView *)mapView:(MKMapView *)mV viewForAnnotation: (id <MKAnnotation>)Annotation { MKPinAnnotationView *pinView = nil; if(Annotation != mapView.userLOCATIOn) { static NSString *defaultPinID = @"com.invasivecode.pin"; pinView = (MKPinAnnotationView *)[mapView dequeueReusableAnnotationViewWithIdentifier:defaultPinID]; if ( pinView == nil ) pinView = [[[MKPinAnnotationView alloc] initWithAnnotation:Annotation reusEIDentifier:defaultPinID] autorelease]; pinView.pinColor = MKPinAnnotationColorPurple; pinView.canShowCallout = YES; pinView.animatesDrop = YES; } else { [mapView.userLOCATIOn settitle:@"I am here"]; } return pinView; }
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