iboss-ios/IBOSS/Utils/Position/PositionTool.m

//
//  PositionTool.m
//  IBOSS
//
//  Created by ssl on 2017/12/28.
//  Copyright © 2017年 elongtian. All rights reserved.
//

#import "PositionTool.h"

@implementation PositionTool

 static PositionTool *_positionTool;

+(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 requestAlwaysAuthorization];
        
        //定位授权状态(始终定位、当使用时定位)
           CLAuthorizationStatus status = [CLLocationManager authorizationStatus];
           if (status == kCLAuthorizationStatusAuthorizedAlways || status == kCLAuthorizationStatusAuthorizedWhenInUse)
           {
               NSLog(@"授权通过");
           }
           else
           {
               NSLog(@"授权不通过");
           }
        _locationManager.delegate=self;
        //精度最高，耗电最大
        _locationManager.desiredAccuracy=kCLLocationAccuracyBest;
        _locationManager.distanceFilter = 10;
        [_locationManager startUpdatingLocation];
        
        
    if ([[UIDevice currentDevice].systemVersion floatValue] >= 8.0) {
            
   _locationManager.allowsBackgroundLocationUpdates =NO;
            
    }
}
}
    
#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 firstObject];;
    //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);
    _latitude=newLocation.coordinate.latitude;
    _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) {
            if(place.name == nil || [place.name isEqualToString:@""]){
                self.street = @"";
            }else{
                self.street = place.name;
            }
            if(place.locality == nil || [place.locality isEqualToString:@""]){
                self.city = @"";
            }else{
                self.city = place.locality;
            }
            if(place.subLocality == nil || [place.subLocality isEqualToString:@""]){
                self.area = @"";
            }else{
                self.area = place.subLocality;
            }
            if(place.administrativeArea == nil || [place.administrativeArea isEqualToString:@""]){
                self.province = @"";
            }else{
                self.province = place.administrativeArea;
            }
        }
        
        for (id<PositionToolDelegate>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];
        }
    }
}


@end