定位
//第一步导入框架
@import CoreLocation;
//协议和属性
@interface LocationViewController ()
@property (nonatomic, strong) CLLocationManager *locationManager;
@property (nonatomic, strong) CLGeocoder *geocoder;
@end
@implementation LocationViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.title = @"定位";
[self startLocation];
[self startCoder];
// Do any additional setup after loading the view.
}
//开始定位
- (void)startLocation
{
if ([CLLocationManager locationServicesEnabled] && [CLLocationManager authorizationStatus] != kCLAuthorizationStatusDenied) {
//设置代理
_locationManager = [[CLLocationManager alloc] init];
_locationManager.delegate = self;
//设置定位精度
_locationManager.desiredAccuracy = kCLLocationAccuracyBest;
//多远定位依次
_locationManager.distanceFilter = 100;
//ios8
if ([_locationManager respondsToSelector:@selector(requestWhenInUseAuthorization)]){
[_locationManager requestAlwaysAuthorization];
}
//启动
[_locationManager startUpdatingLocation];
}else
{
UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"提示!" message:@"需要开启定位服务,请到设置->隐私,打开定位服务" delegate:self cancelButtonTitle:@"确定" otherButtonTitles: nil];
[alertView show];
}
}
#pragma mark - ****************CoreLocation 代理****************
#pragma mark - 跟踪定位代理方法,每次位置发生变化都会执行(只要定位到相应的位置)
//可以通过模拟器设置一个虚拟的位置,否则在模拟器中无法调用此方法
//定位成功
- (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray *)locations
{
CLLocation *location = [locations lastObject];//取出最后一个位置
CLLocationCoordinate2D coordinate = location.coordinate;//位置坐标
NSLog(@"经度:%f,维度:%f",coordinate.longitude,coordinate.latitude);
//如果不需要实时定位,使用完即使关闭定位服务
[_locationManager stopUpdatingLocation];
}
//定位失败
- (void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *)error
{
}
- (void)startCoder
{
_geocoder = [[CLGeocoder alloc] init];
//编码 通过地址获得经纬度
[self getCoordinateByAddress:@"北京"];
//反编码 通过经纬度获得地址
[self getAddressByLatitude:40.04 longitude:116.34];
}
#pragma mark - ****************编码****************
-(void)getCoordinateByAddress:(NSString *)address{
//地理编码
//1. 初始化编码对象
_geocoder = [[CLGeocoder alloc] init];
//2. 系统的block方法 geocodeAddressString
[_geocoder geocodeAddressString:address completionHandler:^(NSArray *placemarks, NSError *error) {
//根据方法取得一组数据信息,取最后一个对象
NSArray *marks = placemarks;
CLPlacemark *placeMark = [marks lastObject];
//通过 placeMark 获取当前Location 对象
//通过 location 对象获取当前的经纬度
CLLocation *location = placeMark.location;
NSLog(@"%@",placeMark.country);
NSLog(@"%f,%f",location.coordinate.latitude,location.coordinate.longitude);
}];
}
#pragma mark - ****************反编码 (根据坐标取得地名)****************
-(void)getAddressByLatitude:(CLLocationDegrees)latitude longitude:(CLLocationDegrees)longitude{
//反地理编码
//初始化 location 对象 和 geocoder 对象
CLLocation *location = [[CLLocation alloc] initWithLatitude:latitude longitude:longitude];
_geocoder = [[CLGeocoder alloc] init];
//调用 geocoder 的block方法 reverseGeocodeLocation
[_geocoder reverseGeocodeLocation:location completionHandler:^(NSArray *placemarks, NSError *error) {
CLPlacemark *placeMark = [placemarks lastObject];
NSDictionary *dict = placeMark.addressDictionary;
NSLog(@"详细信息:%@",dict);
NSLog(@"City:%@",[dict objectForKey:@"City"]);
}];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
/*
#pragma mark - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
// Get the new view controller using [segue destinationViewController].
// Pass the selected object to the new view controller.
}
*/
@end
#import "MapkitViewController.h"
@import MapKit;
@import CoreLocation;
#import "MYAnnotion.h"
@interface MapkitViewController ()
@property (nonatomic, strong) CLLocationManager *locationManager;
@property (nonatomic, strong) MKMapView *mapView;
@end
@implementation MapkitViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.title = @"地图";
[self initWithGUI];
// Do any additional setup after loading the view.
}
#pragma mark - ****************初始化地图****************
- (void) initWithGUI{
//初始化 mapView
_mapView = [[MKMapView alloc] initWithFrame:[UIScreen mainScreen].bounds];
[self.view addSubview:_mapView];
//设置代理
_mapView.delegate = self;
//请求定位服务
_locationManager = [[CLLocationManager alloc] init];
if (![CLLocationManager locationServicesEnabled] || [CLLocationManager authorizationStatus] != kCLAuthorizationStatusAuthorizedWhenInUse) {
[_locationManager requestAlwaysAuthorization];
}
//地图类型
_mapView.mapType = MKMapTypeStandard;
//用户位置追踪(用户位置追踪用于标记用户当前位置，此时会调用定位服务)
_mapView.userTrackingMode = MKUserTrackingModeFollow;
//添加大头针
[self addAnnotation];
}
#pragma mark 添加大头针
-(void)addAnnotation{
CLLocationCoordinate2D location1=CLLocationCoordinate2DMake(40.0304727852, 116.3434817061);
MYAnnotion *annotation1=[[MYAnnotion alloc]init];
annotation1.title=@"测试";
annotation1.subtitle=@"蓝鸥";
annotation1.coordinate=location1;
[_mapView addAnnotation:annotation1];
}
-(void)mapView:(MKMapView *)mapView didUpdateUserLocation:(MKUserLocation *)userLocation
{
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
/*
#pragma mark - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
// Get the new view controller using [segue destinationViewController].
// Pass the selected object to the new view controller.
}
*/
@end