1.在工程的 info.plist 文件中增加两个key( 右键 - Add Row )
Privacy - Location Always and When In Use Usage Description Privacy - Location When In Use Usage Description
value里输入征求获取位置信息时展示的提示语:
2.在需要获取地理位置信息的文件中
#import <CoreLocation/CoreLocation.h>
在interfce行添加相关的delegate
CLLocationManagerDelegate
3.在interface构造两个属性:
@property (nonatomic,strong) CLLocationManager *locationManager; //定位 @property (nonatomic,strong) CLGeocoder *geoCoder; //地理位置信息
4.初始化两个定位相关的工具类,我们把它写成一个 名叫 initLocationInfo 的函数:
*此处有个坑爹的地方,定位的获取必须在主线程中进行,不然的话虽然也会有弹窗提示看起来一切正常,但是不会触发delegate回调
- (void)initLocationInfo { // 初始化定位管理器 _locationManager = [[CLLocationManager alloc] init]; // 设置代理 _locationManager.delegate = self; // 设置定位精确度到米 _locationManager.desiredAccuracy = kCLLocationAccuracyBest; // 设置过滤器为无 _locationManager.distanceFilter = kCLDistanceFilterNone; // 取得定位权限,有两个方法,取决于你的定位使用情况 // 一个是requestAlwaysAuthorization,一个是requestWhenInUseAuthorization // 这句话ios8以上版本使用。 [_locationManager requestAlwaysAuthorization]; // 开始定位 [_locationManager startUpdatingLocation]; //地理信息 _geoCoder = [[CLGeocoder alloc] init]; }
5.更新的地理位置信息会回调一个delegate:
- (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray<CLLocation *> *)locations
在回调的delegate中我们对回传的地理信息进行处理:
//MARK: - CLLocationManagerDelegate - (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray<CLLocation *> *)locations { NSLog(@"%lu",(unsigned long)locations.count); CLLocation * location = locations.lastObject; // 纬度 CLLocationDegrees latitude = location.coordinate.latitude; // 经度 CLLocationDegrees longitude = location.coordinate.longitude; NSLog(@"%@",[NSString stringWithFormat:@"%lf", location.coordinate.longitude]); // NSLog(@"经度:%f,纬度:%f,海拔:%f,航向:%f,行走速度:%f", location.coordinate.longitude, location.coordinate.latitude,location.altitude,location.course,location.speed); [_geoCoder reverseGeocodeLocation:location completionHandler:^(NSArray<CLPlacemark *> * _Nullable placemarks, NSError * _Nullable error) { if (placemarks.count > 0) { CLPlacemark *placemark = [placemarks objectAtIndex:0]; NSLog(@"%@",placemark.name); //获取城市 NSString *city = placemark.locality; if (!city) { //四大直辖市的城市信息无法通过locality获得,只能通过获取省份的方法来获得(如果city为空,则可知为直辖市) city = placemark.administrativeArea; } // 位置名 NSLog(@"name,%@",placemark.name); // 街道 NSLog(@"thoroughfare,%@",placemark.thoroughfare); // 子街道 NSLog(@"subThoroughfare,%@",placemark.subThoroughfare); // 市 NSLog(@"locality,%@",placemark.locality); // 区 NSLog(@"subLocality,%@",placemark.subLocality); // 国家 NSLog(@"country,%@",placemark.country); }else if (error == nil && [placemarks count] == 0) { NSLog(@"No results were returned."); } else if (error != nil){ NSLog(@"An error occurred = %@", error); } }]; // [manager stopUpdatingLocation];不用的时候关闭更新位置服务 }
原文地址:https://www.cnblogs.com/OranBlog/p/12186490.html
时间: 2024-10-03 05:58:15