import <Foundation/Foundation.h>

import <MapKit/MapKit.h>

@protocol PositionToolDelegate <NSObject>

@optional

/**

位置改变时通知传值
*/
- (void)noticePositionChanged;

@end

@interface PositionTool : NSObject<CLLocationManagerDelegate,PositionToolDelegate> {

CLLocationManager _locationManager;
NSMutableArray _locationArr ;

}

@property (nonatomic,assign) CLLocationDegrees latitude;//经度

@property (nonatomic,assign) CLLocationDegrees longtitude;//纬度

/**

位置地区信息
/
@property (nonatomic,strong) NSString positionName;
@property (nonatomic,strong) NSString province;
@property (nonatomic,strong) NSString city;
@property (nonatomic,strong) NSString *area;

//@property (nonatomic,strong) id<PositionToolDelegate> delegate;

/**

添加回调代理方法
*/
- (void)addDelegate:(id)delegate;
  /**

移除回调代理方法
*/
- (void)removeDelegate:(id)delegate;
  /**

获取位置中心信息
*/
- (CLLocationCoordinate2D)getCenter;
  /**

更新位置
*/
- (void)updateLocation;

(void)getLocation;

/**

单例初始化方法
*/
- (PositionTool )shareInfo;
  /*

释放单例信息
*/
- (void)freeInfo;

@end

.m方法的实现

(PositionTool*)shareInfo {

@synchronized(self) {

if (_positionTool == nil) {      _positionTool=[[PositionTool alloc] init];      _positionTool.positionName=@"没有定位"; }

}

return _positionTool;

}

/**

释放单例实现
*/

(void)freeInfo {

if (_positionTool) {
```
_positionTool = nil;
```
}
}

(id)init {

self=[super init];
if (self) {
```
_locationArr=[[NSMutableArray alloc] init];
```
}
return self;
}
/**
- 代理回调添加和删除实现方法
  *
- @param delegate 代理
  */

(void)addDelegate:(id<PositionToolDelegate>)delegate {

[_locationArr addObject:delegate];
}

(void)removeDelegate:(id)delegate {

[_locationArr removeObject:delegate];
}

/**

获取位置信息
*/

(CLLocationCoordinate2D)getCenter {

return [_locationManager location].coordinate;
}

(void)updateLocation {

[_locationManager startUpdatingLocation];
}
pragma mark ========= 获取位置 ==========

(void)getLocation {

if ([CLLocationManager locationServicesEnabled]) {

_locationManager=[[CLLocationManager alloc] init];  _locationManager.delegate=self;  //精度最高，耗电最大  _locationManager.desiredAccuracy=kCLLocationAccuracyBest;  _locationManager.distanceFilter = 200; [_locationManager startUpdatingLocation]; if ([[[UIDevice currentDevice] systemVersion] floatValue] >=8.0) { [_locationManager requestAlwaysAuthorization]; }

}

pragma mark - 调用地图代理方法

(void)locationManager:(CLLocationManager )manager didFailWithError:(NSError )error {

NSLog(@"%@",error);
}

(void)locationManager:(CLLocationManager *)manager didChangeAuthorizationStatus:(CLAuthorizationStatus)status {

switch (status) {

case kCLAuthorizationStatusNotDetermined: if ([_locationManager respondsToSelector:@selector(requestAlwaysAuthorization)]) { [_locationManager requestAlwaysAuthorization]; } break; default: break;

}

//获取经纬度

(void)locationManager:(CLLocationManager )manager didUpdateLocations:(NSArray<CLLocation > )locations {

CLLocation newLocation=locations[0];
//CLLocationCoordinate2D oldCoordinate=newLocation.coordinate;
//NSLog(@"旧的经度：%f,旧的纬度：%f",oldCoordinate.longitude,oldCoordinate.latitude);
//NSLog(@"新的经度：%f,新的纬度：%f",newLocation.coordinate.longitude,newLocation.coordinate.latitude);
self.latitude=newLocation.coordinate.latitude;
self.longtitude=newLocation.coordinate.longitude;
[manager stopUpdatingLocation];

CLGeocoder geocoder=[[CLGeocoder alloc] init];
[geocoder reverseGeocodeLocation:newLocation completionHandler:^(NSArray<CLPlacemark > _Nullable placemarks, NSError _Nullable error) {
```
for (CLPlacemark *place in placemarks) {      self.positionName=place.name; self.city=place.locality; self.area=place.subLocality; NSLog(@"%@",self.area); } for (id
      
       delegate in _locationArr) { if (delegate && [delegate respondsToSelector:@selector(noticePositionChanged)]) { [delegate noticePositionChanged]; } }
      
```
}];

for (id<PositionToolDelegate> delegate in _locationArr) {
```
if (delegate && [delegate respondsToSelector:@selector(noticePositionChanged)]) {      [delegate noticePositionChanged];  }
```
}
}