标签:
一、基本知识点
定位:
1、info.plist文件设置
ios8以后,使用定位需要在info.plist文件中添加两个字段NSLocationAlwaysUsageDescription和NSLocationWhenInUseUsageDescription
2、导入CoreLocation.framework框架并导入头文件
#import <CoreLocation/CoreLocation.h>
3、判断定位服务是否打开
if (![CLLocationManager locationServicesEnabled]) {
NSLog(@"定位不可用");
}
4、创建定位管理器
CLLocationManager *_manager = [[CLLocationManager alloc]init];
5、判断是否授权,如果未授权则发送授权请求
if ([CLLocationManager authorizationStatus]==kCLAuthorizationStatusNotDetermined){
[_manager requestWhenInUseAuthorization];
}
6、设置代理(CLLocationManagerDelegate)
7、设置精度
_manager.desiredAccuracy=kCLLocationAccuracyBest;
8、设置定位频率,多少米定位一次
_manager.distanceFilter=10.0;
9、开始定位
[_manager startUpdatingLocation];
10、停止定位
[_manager stopUpdatingLocation];
11、代理方法
-(void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *)error{
//定位失败
}
-(void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray *)locations{
CLLocation *location = [locations firstObject];
CLLocationCoordinate2D coordinate=location.coordinate;
NSLog(@"经度:%f,纬度:%f,海拔:%f,航向:%f,行走速度:%f",coordinate.longitude,coordinate.latitude,location.altitude,location.course,location.speed);
}
地理编码,根据地址得出经纬度、详细信息等
CLGeocoder *geocode = [[CLGeocoder alloc]init];
[geocode geocodeAddressString:@"泰山" completionHandler:^(NSArray *placemarks, NSError *error) {
CLPlacemark *place = [placemarks firstObject];
CLLocation *location = place.location;//位置
CLRegion *region = place.region;//区域
NSDictionary *dic = place.addressDictionary;//详细地址信息字典,包含以下字段
NSString *name=place.name;//地名
NSString *thoroughfare=place.thoroughfare;//街道
NSString *subThoroughfare=place.subThoroughfare; //街道相关信息,例如门牌等
NSString *locality=place.locality; // 城市
NSString *subLocality=place.subLocality; // 城市相关信息,例如标志性建筑
NSString *administrativeArea=place.administrativeArea; // 州
NSString*subAdministrativeArea=place.subAdministrativeArea; //其他行政区域信息
NSString *postalCode=place.postalCode; //邮编
NSString *ISOcountryCode=place.ISOcountryCode; //国家编码
NSString *country=place.country; //国家
NSString *inlandWater=place.inlandWater; //水源、湖泊
NSString *ocean=place.ocean; // 海洋
NSArray *areasOfInterest=place.areasOfInterest; //关联的或利益相关的地标
}];
}
反向地理编码,根据经纬度得出具体的地址信息
CLLocation*location=[[CLLocation alloc]initWithLatitude:36.228 longitude:117.042];
CLGeocoder *geocoder = [[CLGeocoder alloc]init];
[geocoder reverseGeocodeLocation:location completionHandler:^(NSArray *placemarks, NSError *error) {
CLPlacemark*placemark=[placemarks firstObject];
NSLog(@"详细信息:%@",placemark.addressDictionary);
}];
地图:
12、导入MapKit.framework,并导入#import <MapKit/MapKit.h>头文件,实现MKMapViewDelegate协议
13、创建
_mapView = [[MKMapView alloc] initWithFrame:self.view.bounds];
14、设置代理
_mapView.delegate = self;
15、是否显示用户位置
_mapView.showsUserLocation = YES;
16、用户位置跟踪
_mapView.userTrackingMode = MKUserTrackingModeFollow;//可以省略,但是需要自己设置地图的缩放级别
17、代理方法:获取用户当前位置
-(void)mapView:(MKMapView *)mapView didUpdateUserLocation:(MKUserLocation*)userLocation{
MKCoordinateSpan span=MKCoordinateSpanMake(0.01, 0.01);
MKCoordinateRegion region=MKCoordinateRegionMake(userLocation.location.coordinate, span);
[_mapView setRegion:region animated:true];//设置地图缩放级别
}
18、地图显示范围发生改变
-(void)mapView:(MKMapView *)mapView regionDidChangeAnimated:(BOOL)animated{
NSLog(@"地图显示范围发生改变");
}
19、添加大头针
MKPointAnnotation *point = [[MKPointAnnotation alloc]init];//初始化
point.title = @"大头针";//标题
point.subtitle = @"我是大头针";//子标题
point.coordinate = CLLocationCoordinate2DMake(36.236867, 117.054895);//经纬度
[_mapView addAnnotation:point];
20、大头针被点击
-(void)mapView:(MKMapView *)mapView didSelectAnnotationView:(MKAnnotationView *)view{
NSLog(@"大头针被点击");
}
21、自定义大头针视图
-(MKAnnotationView *)mapView:(MKMapView *)mapView viewForAnnotation:(id<MKAnnotation>)annotation{
if ([annotation isKindOfClass:[MKPointAnnotation class]]) {//判断是不是自己添加的大头针
static NSString *key1=@"AnnotationKey1";
MKAnnotationView*annotationView=[_mapView dequeueReusableAnnotationViewWithIdentifier:key1];//获取大头针视图
//如果缓存池中不存在则新建
if (!annotationView) {
annotationView=[[MKAnnotationView alloc]initWithAnnotation:annotation reuseIdentifier:key1];
annotationView.canShowCallout=true;//允许交互点击 annotationView.calloutOffset=CGPointMake(0, 1);//定义详情视图偏移量
UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
button.frame = CGRectMake(0, 0, 40, 40); [button setBackgroundImage:[UIImage imageNamed:@"icon_classify_cafe.png"] forState:UIControlStateNormal]; annotationView.leftCalloutAccessoryView=button;//定义详情左侧视图
}
//修改大头针视图
//重新设置此类大头针视图的大头针模型(因为有可能是从缓存池中取出来的,位置是放到缓存池时的位置)
annotationView.annotation=annotation;
annotationView.image=[UIImage imageNamed:@"icon_paopao_waterdrop_streetscape"];//设置大头针视图的图片
return annotationView;
}else {
return nil;
}
}
22、大头针左侧或者右侧视图被点击
-(void)mapView:(MKMapView *)mapView annotationView:(MKAnnotationView *)view calloutAccessoryControlTapped:(UIControl *)control{
if ([control isKindOfClass:[UIButton class]]) {
NSLog(@"121212");
}
}
23、调用系统自带地图进行导航
-(void)turnByTurn{
//根据“泰山学院”地理编码
CLGeocoder *_geocoder = [[CLGeocoder alloc] init];
[_geocoder geocodeAddressString:@"泰山学院" completionHandler:^(NSArray *placemarks, NSError *error) {
CLPlacemark *clPlacemark1=[placemarks firstObject];//获取第一个地标
MKPlacemark *mkPlacemark1=[[MKPlacemark alloc]initWithPlacemark:clPlacemark1];
//注意地理编码一次只能定位到一个位置,不能同时定位,所在放到第一个位置定位完成回调函数中再次定位
[_geocoder geocodeAddressString:@"山东省泰安市泰山站" completionHandler:^(NSArray *placemarks, NSError *error) {
CLPlacemark *clPlacemark2=[placemarks firstObject];//获取第一个地标
MKPlacemark *mkPlacemark2=[[MKPlacemark alloc]initWithPlacemark:clPlacemark2];
NSDictionary *options=@{MKLaunchOptionsMapTypeKey:@(MKMapTypeStandard),MKLaunchOptionsDirectionsModeKey:MKLaunchOptionsDirectionsModeDriving};//设置导航类型
MKMapItem *mapItem1=[[MKMapItem alloc]initWithPlacemark:mkPlacemark1];
MKMapItem *mapItem2=[[MKMapItem alloc]initWithPlacemark:mkPlacemark2];
[MKMapItem openMapsWithItems:@[mapItem1,mapItem2] launchOptions:options];
}];
}];}
二、具体代码
#import "ViewController.h”
1、首先导入头文件 #import <CoreLocation/CoreLocation.h>
//导入头文件
2、info.plist文件设置,ios8以后,使用定位需要在info.plist文件中添加两个字段NSLocationAlwaysUsageDescription和NSLocationWhenInUseUsageDescription。
@interface ViewController ()<CLLocationManagerDelegate>{
CLLocationManager *manager;//位置管理
}
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
3、判断是否允许访问定位 if([CLLocationManagerlocationServicesEnabled]) {
manager = [[CLLocationManager alloc]init];//初始化
NSLog(@"允许定位");
//判断用户是否选择了位置访问权限
if ([CLLocationManager authorizationStatus] == 0) {
//如果尚未选择,则重新弹出请求
[manager requestAlwaysAuthorization];
}
//设置代理
manager.delegate = self;
manager.distanceFilter = 10;//多少米访问一次位置
manager.desiredAccuracy = kCLLocationAccuracyBest;//定位的精确度
[manager startUpdatingLocation];//开始定位
[self getInfoBUyAddress];
}
}
4、错误信息
-(void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *)error{
NSLog(@"%@",error);
}
5、打印具体内容
-(void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray<CLLocation *> *)locations{
NSLog(@"--%zi---%@",locations.count,locations);
CLLocation *location = [locations firstObject];
NSLog(@"weidu:%f--jingdu:%f",location.coordinate.latitude,location.coordinate.longitude);
}
6、地理编码
-(void)getInfoBUyAddress{
CLGeocoder *geo = [[CLGeocoder alloc]init];//初始化编码管理
//地理编码,传入地址,得到具体信息
[ geo geocodeAddressString:@"周口火车站" completionHandler:^(NSArray<CLPlacemark *> * _Nullable placemarks, NSError * _Nullable error) {
NSLog(@"--数量:%zi 信息:%@",placemarks.count,placemarks);
CLPlacemark *place = [placemarks firstObject];
NSLog(@"经纬度:%f---%f",place.location.coordinate.latitude,place.location.coordinate.longitude);
NSLog(@"街道:%@",place.ocean);
}];
}
7、反地理编码:根据经纬度得到位置信息
-(void)getInfoBuyCoordinate{
CLGeocoder *geocoder = [[CLGeocoder alloc]init];
CLLocation *location = [[CLLocation alloc]initWithLatitude:34.709895 longitude:113.509167];//通过经纬度定义位置对象
[geocoder reverseGeocodeLocation:location completionHandler:^(NSArray<CLPlacemark *> * _Nullable placemarks, NSError * _Nullable error) {
NSLog(@"数量:%zi 反向: %@",placemarks.count,placemarks);
CLPlacemark *place = [placemarks firstObject];
NSLog(@"经纬度:%f,%f",place.location.coordinate.longitude,place.location.coordinate.latitude);
NSLog(@"街道:%@",place.ocean);
}];
}
地图、定位 CLLocationManager CLGeocoder CLPlacemark
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原文地址:http://www.cnblogs.com/wxzboke/p/5062951.html