#import "ViewController.h"
#import
@interface ViewController ()
{ //地图
MKMapView *mapView;
}
//地理管理器
@property (nonatomic,strong)CLLocationManager * manage;
@end
@implementation ViewController
//地理管理器
-(CLLocationManager *)manage{
if (_manage==nil) {
_manage =[[CLLocationManager alloc]init];
_manage.delegate =self;
//多远更新一次
_manage.distanceFilter =100;
//设置误差
_manage.desiredAccuracy = kCLLocationAccuracyBest;
//设置地图在条件允许下的情况自动停止定位(省电模式)
_manage.pausesLocationUpdatesAutomatically =YES;
}
return _manage;
}
- (void)viewDidLoad {
[super viewDidLoad];
//导入三个文件
//1.corelocation 2.coregraphics 3.MapKit
// info.plist改 Privacy - Location Always Usage Description
//授权可以定位 总是允许
[self.manage requestAlwaysAuthorization];
mapView =[[MKMapView alloc]initWithFrame:self.view.bounds];
//设置类型
mapView.mapType =MKMapTypeStandard;
//可旋转
mapView.rotateEnabled =YES;
//可倾斜
mapView.pitchEnabled =YES;
//可捏合
mapView.zoomEnabled =YES;
//可滚动
mapView.scrollEnabled=YES;
//可见自己位置
mapView.showsUserLocation =YES;
//设置代理
mapView.delegate =self;
//跟踪用户方向
mapView.userTrackingMode =MKUserTrackingModeFollowWithHeading;
//添加父视图
[self.view addSubview:mapView];
//设置长按手势
UILongPressGestureRecognizer * longpress =[[UILongPressGestureRecognizer alloc]initWithTarget:self action:@selector(click:)];
[mapView addGestureRecognizer:longpress];
}
-(void)click:(UILongPressGestureRecognizer *)reco
{
[self.manage startUpdatingLocation];
// 获得手势点击的坐标
CGPoint point = [reco locationInView:self.myMapView];
// 把坐标点转换为经纬度信息
CLLocationCoordinate2D coor = [self.myMapView convertPoint:point toCoordinateFromView:self.myMapView];
NSLog(@"纬度：%g,经度：%g",coor.latitude,coor.longitude);
// 添加锚点
MKPointAnnotation *pointAnno = [[MKPointAnnotation alloc] init];
pointAnno.coordinate = coor;
pointAnno.title = [NSString stringWithFormat:@"纬度：%g,经度：%g",coor.latitude,coor.longitude];
// 根据经纬度解析为地址字符串（）
CLGeocoder *geocoder = [[CLGeocoder alloc] init];
CLLocation *location = [[CLLocation alloc] initWithLatitude:coor.latitude longitude:coor.longitude];
[geocoder reverseGeocodeLocation:location completionHandler:^(NSArray *placemarks, NSError *error) {
CLPlacemark *placeMark = [placemarks lastObject];
pointAnno.subtitle = placeMark.name;
dispatch_async(dispatch_get_main_queue(), ^{
[self.myMapView addAnnotation:pointAnno];
});
}];
}
//代理方法 更新位置自动回调- (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray*)locations __OSX_AVAILABLE_STARTING(__MAC_NA,__IPHONE_6_0){
//获得地理中最后一个地理数据位置的经纬度
CLLocationCoordinate2D coor = [locations lastObject].coordinate;
//设置显示范围精度
MKCoordinateSpan span;
span.latitudeDelta = 0.01;
span.longitudeDelta = 0.01;
//设置地区
MKCoordinateRegion region = {coor,span};
//设置该位置为地图可显示位置
[mapView regionThatFits:region];
[mapView setRegion:region animated:YES];
}
//如果拖拽 往设置的经纬度上放置大头针
- (IBAction)aa:(id)sender {
[self.manage startUpdatingLocation];
// 把坐标点转换为经纬度信息
CLLocationCoordinate2D coor = {[self.mytext1.text floatValue],[self.mytext2.text floatValue]};
MKCoordinateSpan span;
span.latitudeDelta = 0.01;
span.longitudeDelta = 0.01;
MKCoordinateRegion region = {coor,span};
// 添加锚点
MKPointAnnotation *pointAnno = [[MKPointAnnotation alloc] init];
pointAnno.coordinate = coor;
pointAnno.title = [NSString stringWithFormat:@"纬度：%g,经度：%g",coor.latitude,coor.longitude];
// 根据经纬度解析为地址字符串（）
CLGeocoder *geocoder = [[CLGeocoder alloc] init];
CLLocation *location = [[CLLocation alloc] initWithLatitude:coor.latitude longitude:coor.longitude];
[geocoder reverseGeocodeLocation:location completionHandler:^(NSArray *placemarks, NSError *error) {
CLPlacemark *placeMark = [placemarks lastObject];
pointAnno.subtitle = placeMark.name;
dispatch_async(dispatch_get_main_queue(), ^{
[self.mymapView addAnnotation:pointAnno];
});
}];
[self.mymapView regionThatFits:region];
[self.mymapView setRegion:region];
}
//解析反解析
//解析- (IBAction)a:(id)sender {
//授权可以定位 总是允许
[self.manage requestAlwaysAuthorization];
[self.geocoder geocodeAddressString:_mytext.text completionHandler:^(NSArray* _Nullable placemarks, NSError * _Nullable error) {
// 只处理第一个解析结果，实际项目中可使用列表让用户选择
CLPlacemark *place = placemarks[0];
// 获得这个地址的位置信息
CLLocation *location = place.location;
// 获得经纬度信息
CLLocationCoordinate2D coor = location.coordinate;
self.mytextView.text =[NSString stringWithFormat:@"%f,%f",coor.latitude,coor.longitude]; }]; }
//反解析- (IBAction)aaa:(id)sender {
//授权可以定位 总是允许
[self.manage requestAlwaysAuthorization];
//将长按点的坐标转换为经度、纬度值
CLLocationCoordinate2D coord = {[self.mytextwei.text floatValue],[self.mytextjing.text floatValue]};
//将经度纬度值包装为CLLocation对象
CLLocation *location=[[CLLocation alloc] initWithLatitude:coord.latitude longitude:coord.longitude];
//根据经纬度反向解析地址
[self.geocoder reverseGeocodeLocation:location completionHandler:^(NSArray* _Nullable placemarks, NSError * _Nullable error) {
//获取解析得到的第一个地址信息
CLPlacemark *placemark =[placemarks lastObject];
//获取地址信息中的FromattedAddressLines对应的详细地址
//
// NSArray *addArray=placemark.addressDictionary[@"formattedAddressLines"];
//
// //将详细地址拼接成一个字符串
//
// NSMutableString *address=[[NSMutableString alloc] init];
//
// for (int i = 0; i < addArray.count ; i ++) {
//
// [address appendString:addArray[i]];
//
// }
// NSLog(@"11====================%@",address);
// 副标题 annotation.subtitle = address;
self.mytextView.text = [NSString stringWithFormat:@"%@%@%@",placemark.country,placemark.administrativeArea,placemark.name];
}] ;
}