ios-使用ios 6苹果地图定位和跟踪

来源：互联网发布：免费收银软件哪个好编辑：程序博客网时间：2024/04/24 04:24

在ios 6中，苹果自己的地图代替了谷歌地图，但是API编程接口没有太大的变化，所以开发人员不需要再学习很多新东西就能开发地图应用。开发地图应用需要导入#import<MapKit/MapKit.h>框架。

代码实现如下：

- (void)initUI{    UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(20, 50, 200, 30)];    label.backgroundColor = [UIColor clearColor];    label.textAlignment = NSTextAlignmentLeft;    label.text = @"输入查询地点关键字:";    [self.view addSubview:label];    [label release];        textQuery = [[UITextField alloc] initWithFrame:CGRectMake(20, 90, 280, 30)];    textQuery.backgroundColor = [UIColor whiteColor];    textQuery.contentHorizontalAlignment = UIControlContentHorizontalAlignmentLeft;    textQuery.contentVerticalAlignment = UIControlContentVerticalAlignmentCenter;    textQuery.borderStyle = UITextBorderStyleRoundedRect;    [self.view addSubview:textQuery];    [textQuery release];        UIButton *btn = [[UIButton alloc] initWithFrame:CGRectMake(60, 150, 200, 30)];    btn.backgroundColor = [UIColor whiteColor];    btn.layer.cornerRadius = 5.0f;    btn.layer.masksToBounds = YES;    btn.showsTouchWhenHighlighted = YES;    [btn setTitle:@"查询" forState:UIControlStateNormal];    [btn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];    [btn addTarget:self action:@selector(geoCodeQuery:) forControlEvents:UIControlEventTouchUpInside];    [self.view addSubview:btn];    [btn release];        m_mapView = [[MKMapView alloc] initWithFrame:CGRectMake(20, 200, 280, 280)];    m_mapView.backgroundColor = [UIColor clearColor];    m_mapView.mapType = MKMapTypeHybrid;    m_mapView.delegate = self;    m_mapView.layer.cornerRadius = 5.0f;    m_mapView.layer.masksToBounds = YES;    m_mapView.showsUserLocation = YES;    [m_mapView setUserTrackingMode:MKUserTrackingModeFollowWithHeading animated:YES];    [self.view addSubview:m_mapView];    [m_mapView release];        /*     MKMapTypeHybrid  // 混合地图类型     MKMapTypeStandard  // 标注地图类型     MKMapTypeSatellite  // 卫星地图类型     */        /*     MKUserTrackingModeFollowWithHeading  // 可以跟踪用户的位置和方向变化     MKUserTrackingModeFollow  // 可以跟踪用户的位置变化     MKUserTrackingModeNone  // 没有用户跟踪模式     */}- (void)geoCodeQuery:(id)sender{    if (textQuery.text == nil || textQuery.text.length <= 0)    {        return;    }        CLGeocoder *geoCoder = [[CLGeocoder alloc] init];    [geoCoder geocodeAddressString:textQuery.text completionHandler:^(NSArray *placemarks, NSError *error) {        NSLog(@"查询记录数:%d",[placemarks count]);        if ([placemarks count] > 0)        {            [m_mapView removeAnnotations:m_mapView.annotations];        }                for (int i = 0; i < [placemarks count]; i ++)        {            CLPlacemark *placeMark = placemarks[i];            [textQuery resignFirstResponder];                        // 调整地图位置和缩放比例            MKCoordinateRegion viewRegion = MKCoordinateRegionMakeWithDistance(placeMark.location.coordinate, 10000, 10000);            [m_mapView setRegion:viewRegion animated:YES];                        // 添加大头针的附件信息            MapLocation *annotation = [[MapLocation alloc] init];            annotation.streetAddress = placeMark.thoroughfare;            annotation.city = placeMark.locality;            annotation.state = placeMark.postalCode;            annotation.coordinate = placeMark.location.coordinate;            [m_mapView addAnnotation:annotation];            [annotation release];        }    }];    [geoCoder release];}

- (MKAnnotationView *)mapView:(MKMapView *)mapView viewForAnnotation:(id<MKAnnotation>)annotation{    static NSString *indentifier = @"PIN_ANNOTATION";    MKPinAnnotationView *annotationView = (MKPinAnnotationView *)[mapView dequeueReusableAnnotationViewWithIdentifier:indentifier];    if (annotationView == nil)    {        annotationView = [[[MKPinAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:indentifier] autorelease];    }        annotationView.pinColor = MKPinAnnotationColorPurple;    annotationView.animatesDrop = YES;    annotationView.canShowCallout = YES;        return annotationView;        /*     MKPinAnnotationColorRed  // 大头针的颜色为红色     MKPinAnnotationColorGreen  // 大头针的颜色为绿色     MKPinAnnotationColorPurple  // 大头针的颜色为紫色     */        // animatesDrop    /*     设置为YES，大头针以动画的效果显示在地图上；设置为NO，即没有动画效果     */        // canShowCallout    /*     大头针附加信息，即点击大头针时，会出现气泡     */}- (void)mapView:(MKMapView *)mapView didUpdateUserLocation:(MKUserLocation *)userLocation{    m_mapView.centerCoordinate = userLocation.location.coordinate;}- (void)mapViewDidFailLoadingMap:(MKMapView *)mapView withError:(NSError *)error{    NSLog(@"%@",[error description]);}

////  MapLocation.h//#import <Foundation/Foundation.h>#import <MapKit/MapKit.h>@interface MapLocation : NSObject <MKAnnotation>@property (copy, nonatomic) NSString *streetAddress;@property (copy, nonatomic) NSString *city;@property (copy, nonatomic) NSString *state;@property (copy, nonatomic) NSString *zip;@property (nonatomic, readwrite, assign) CLLocationCoordinate2D coordinate;@end

////  MapLocation.m//#import "MapLocation.h"@implementation MapLocation- (NSString *)title{    return @"你的位置";}- (NSString *)subtitle{    NSMutableString *mutStr = [NSMutableString new];    if (_state) {        [mutStr appendString:_state];    }    if (_city) {        [mutStr appendString:_city];    }    if (_city && _state) {        [mutStr appendString:@", "];    }    if (_streetAddress && (_city || _state || _zip)) {        [mutStr appendString:@" -"];    }    if (_streetAddress) {        [mutStr appendString:_streetAddress];    }    if (_zip) {        [mutStr appendFormat:@", %@",_zip];    }        return mutStr;}@end

至此，ios 6苹果地图定位和跟踪介绍已经完毕，程序运行效果图如下：

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