cparam/ios/CParam/LocationManager.m

//
//  LocationManager.m
//  CParam
//
//  Created by breeze deng on 2017/8/7.
//  Copyright © 2017年 Breeze. All rights reserved.
//

#import "LocationManager.h"

static LocationManager *_instance = nil;

@interface LocationManager () <CLLocationManagerDelegate>

@property (nonatomic, strong) CLLocationManager* locationManager;

@end

@implementation LocationManager

+ (LocationManager *)shareInstance
{
    @synchronized(self)
    {
        // 实例对象只分配一次
        if(_instance == nil)
        {
            _instance = [[super allocWithZone:NULL] init];
        }
    }
    
    return _instance;
}

+ (id)allocWithZone:(NSZone *)zone
{
    return [self shareInstance];
}

- (id)copyWithZone:(NSZone *)zone
{
    return self;
}



- (CLLocationManager *)locationManager {
    if (_locationManager == nil) {
        _locationManager = [[CLLocationManager alloc] init];
        _locationManager.delegate = self;
        _locationManager.desiredAccuracy = kCLLocationAccuracyHundredMeters;
    }
    
    return _locationManager;
}


- (void)startUpdatingLocation
{
    if ([self.locationManager respondsToSelector:@selector(requestWhenInUseAuthorization)]) {
        NSLog(@"requestWhenInUseAuthorization =======:");
        [self.locationManager requestWhenInUseAuthorization];
    }
    
    //开始定位，不断调用其代理方法
    [self.locationManager startUpdatingLocation];
}


- (void)stopUpdatingLocation {
    [self.locationManager stopUpdatingLocation];
}

- (void)locationManager:(CLLocationManager *)manager
     didUpdateLocations:(NSArray *)locations
{
    // 1.获取用户位置的对象
    CLLocation *location = [locations lastObject];
    CLLocationCoordinate2D coordinate = location.coordinate;
    
    if ([self.delegate respondsToSelector: @selector(updateLocationWithCoordinate:)]) {
        [self.delegate updateLocationWithCoordinate: coordinate];
    }
    
    // 2.停止定位
    [manager stopUpdatingLocation];
}



@end