iOS之获取经纬度并通过反向地理编码获取详细地址

 1 _locationManager = [[CLLocationManager alloc] init];
 2
 3     //期望的经度
 4
 5     _locationManager.desiredAccuracy = kCLLocationAccuracyBest;
 6
 7     //大约变化100米更新一次
 8
 9     _locationManager.distanceFilter = 100;
10
11     //认证NSLocationAlwaysUsageDescription
12
13     if ([[UIDevice currentDevice] systemVersion].doubleValue > 8.0) {//如果iOS是8.0以上版本
14
15         if ([_locationManager respondsToSelector:@selector(requestAlwaysAuthorization)]) {//位置管理对象中有requestAlwaysAuthorization这个方法
16
17             //运行
18
19             [_locationManager requestAlwaysAuthorization];
20
21         }
22
23     }
24
25     _locationManager.delegate = self;
26
27     [_locationManager startUpdatingLocation];
28
29
30
31 //获取经纬度和详细地址
32
33 - (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray<CLLocation *> *)locations {
34
35
36
37     CLLocation *location = [locations lastObject];
38
39     NSLog(@"latitude === %g  longitude === %g",location.coordinate.latitude, location.coordinate.longitude);
40
41
42
43     //反向地理编码
44
45     CLGeocoder *clGeoCoder = [[CLGeocoder alloc] init];
46
47     CLLocation *cl = [[CLLocation alloc] initWithLatitude:location.coordinate.latitude longitude:location.coordinate.longitude];
48
49     [clGeoCoder reverseGeocodeLocation:cl completionHandler: ^(NSArray *placemarks,NSError *error) {
50
51         for (CLPlacemark *placeMark in placemarks) {
52
53
54
55             NSDictionary *addressDic = placeMark.addressDictionary;
56
57
58
59             NSString *state=[addressDic objectForKey:@"State"];
60
61             NSString *city=[addressDic objectForKey:@"City"];
62
63             NSString *subLocality=[addressDic objectForKey:@"SubLocality"];
64
65             NSString *street=[addressDic objectForKey:@"Street"];
66
67
68
69             NSLog(@"所在城市====%@ %@ %@ %@", state, city, subLocality, street);
70
71             [_locationManager stopUpdatingLocation];
72
73         }
74
75     }];
76
77 }
78
79