MKMapView+MKAnnotation

 

ViewController.h

#import <UIKit/UIKit.h>
#import "MapKit/MapKit.h"

@interface ViewController : UIViewController
<CLLocationManagerDelegate,MKMapViewDelegate>
{
    MKMapView *_mapView;
}
@end

ViewController.m

#import "ViewController.h"
#import "MyAnnotation.h"

@implementation ViewController


- (void)viewDidLoad
{
    [super viewDidLoad];
    
    //初始纬度，经度
    CLLocationCoordinate2D coordinate = CLLocationCoordinate2DMake(39.928168, 116.39328);
    //缩放比例
    MKCoordinateSpan span = MKCoordinateSpanMake(0.1, 0.1);
    //确定一个区域
    MKCoordinateRegion region = MKCoordinateRegionMake(coordinate, span);
    
    //地图
    _mapView = [[MKMapView alloc]initWithFrame:CGRectMake(0, 0, 320, 460)];
    _mapView.delegate = self;
    _mapView.mapType = MKMapTypeHybrid;
        //地图类型
        //MKMapTypeStandard = 0,  标准
        //MKMapTypeSatellite,  卫星
        //MKMapTypeHybrid    混合
    _mapView.region = region;//显示区域
    _mapView.showsUserLocation = YES;//显示当前位置
    [self.view addSubview:_mapView];
    [_mapView release];
    
    
    //定位
    CLLocationManager* manager = [[CLLocationManager alloc]init];
    manager.distanceFilter = 10;//每隔10米定位一次
    manager.desiredAccuracy = kCLLocationAccuracyBest;//精细程度 费电
    manager.delegate = self;
    [manager startUpdatingLocation];
    
    //加入大头针
    MyAnnotation *anno = [[MyAnnotation alloc]initWithTitle:@"title" SubTitle:@"subtitle" Coordinate:coordinate];
    [_mapView addAnnotation:anno];
    [anno release];
    
    //长按手势 插上大头针
    UILongPressGestureRecognizer* longPress = [[UILongPressGestureRecognizer alloc]initWithTarget:self action:@selector(longPress:)];
    [_mapView addGestureRecognizer:longPress];
    [longPress release];
    
}

#pragma mark - viewDidLoad UILongPressGestureRecognize longPress:
- (void)longPress:(UILongPressGestureRecognizer*)longPress
{
    //长按一次 只在开始插入一次大头针   否则能用大头针写字。。。
    if (longPress.state == UIGestureRecognizerStateBegan) {
        CGPoint point = [longPress locationInView:_mapView];
        CLLocationCoordinate2D coordinate = [_mapView convertPoint:point toCoordinateFromView:_mapView];
        MyAnnotation* an = [[MyAnnotation alloc] initWithTitle:@"title" SubTitle:@"subtitle" Coordinate:coordinate];
        [_mapView addAnnotation:an];
        [an release];
    }
}


#pragma mark - CLLocationManagerDelegate
- (void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation
{
    //得到定位后的位置
    CLLocationCoordinate2D coordinate = newLocation.coordinate;
    MKCoordinateSpan span = MKCoordinateSpanMake(0.1, 0.1);
    MKCoordinateRegion region = MKCoordinateRegionMake(coordinate, span);
    [_mapView setRegion:region animated:YES];
    //停止定位
    [manager stopUpdatingLocation];
    [manager release];
    
}
-(void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *)error
{
    NSLog(@"定位失败");
}

#pragma mark - MKMapViewDelegate
- (MKAnnotationView *)mapView:(MKMapView *)mapView viewForAnnotation:(id<MKAnnotation>)annotation
{
    //如果是所在地 跳过   固定写法
    if ([annotation isKindOfClass:[mapView.userLocation class]]) {
        return nil;
    }    
    MKPinAnnotationView* pinView = (MKPinAnnotationView*)[mapView dequeueReusableAnnotationViewWithIdentifier:@"ID"];
    if (pinView == nil) {
        pinView = [[[MKPinAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:@"ID"] autorelease];
    }
    
    pinView.canShowCallout = YES;//能显示Call信息 上面那些图字
    pinView.pinColor = MKPinAnnotationColorPurple;//只有三种
        //大头针颜色
        //MKPinAnnotationColorRed = 0,
        //MKPinAnnotationColorGreen,
        //MKPinAnnotationColorPurple
    pinView.animatesDrop = YES;//显示动画  从天上落下
    
    UIView* view = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 20, 20)];
    view.backgroundColor = [UIColor redColor];
    pinView.leftCalloutAccessoryView = view;
    [view release];
    
    UIButton* button = [UIButton buttonWithType:UIButtonTypeDetailDisclosure];
    pinView.rightCalloutAccessoryView = button;
    
    return pinView;
}

@end

 

 

MyAnnotation.h

#import <Foundation/Foundation.h>
#import <MapKit/MapKit.h>

@interface MyAnnotation : NSObject
<MKAnnotation>

@property (nonatomic,retain)NSString *title2;
@property (nonatomic,retain)NSString *subtitle2;
@property (nonatomic,assign)CLLocationCoordinate2D coordinate;

- (id)initWithTitle:(NSString*)title SubTitle:(NSString*)subtitle Coordinate:(CLLocationCoordinate2D)coordinate;

@end

MyAnnotation.m

#import "MyAnnotation.h"

@implementation MyAnnotation
@synthesize title2 = _title2;
@synthesize subtitle2 = _subtitle2;
@synthesize coordinate = _coordinate;

- (id)initWithTitle:(NSString*)title SubTitle:(NSString*)subtitle Coordinate:(CLLocationCoordinate2D)coordinate
{
    if (self = [super init]) {
        self.title2 = title;
        self.subtitle2 = subtitle;
        self.coordinate = coordinate;
    }
    return self;
}

//不写你就死定了 直接崩
- (NSString *)title
{
    return _title2;
}
- (NSString *)subtitle
{
    return _subtitle2;
}
- (CLLocationCoordinate2D)coordinate
{
    return _coordinate;
}

//这个别忘了
- (void)dealloc
{
    self.title2 = nil;
    self.subtitle2 = nil;
    [super dealloc];
}

@end