使用以下方法进行反向地理编码，
[api getRequest:[NSString stringWithFormat:@"https://maps.googleapis.com/maps/api/geocode/json?latlng=%f,%f&key=%@&language=%@",latV,lonV,kGoogleAPIKey,@"en"] withCompletionHandle:^(NSData *data) {
NSMutableDictionary *returnedDict = [NSJSONSerialization JSONObjectWithData:data options:kNilOptions error:nil];
NSLog(@"the data value returned %@",returnedDict);
这个链接对我来说并不起作用，总是说请求超时或其他错误，
很少能正确得到答案，
无法理解为什么会发生这种情况，iPhone 6中的一个以及iOS 9中的iPhone 6，有时会得到正确的响应，但有时我无法
有时会收到此错误
This application is modifying the autolayout engine from a background thread, which can lead to engine corruption and weird crashes. This will cause an exception in a future release.
Stack:(
0 CoreFoundation 0x0000000186304f74 <redacted> + 148
1 libobjc.A.dylib 0x000000019aefbf80 objc_exception_throw + 56
2 CoreFoundation 0x0000000186304ea4 <redacted> + 0
3 Foundation 0x000000018731e5d8 <redacted> + 88
4 Foundation 0x00000001871a0a1c <redacted> + 36
5 UIKit 0x000000018c0826a0 <redacted> + 884
6 UIKit 0x000000018c083b14 <redacted> + 788
7 UIKit 0x000000018c14ca6c <redacted> + 480
8 UIKit 0x000000018c149a44 <redacted> + 172
9 UIKit 0x000000018c149cb4 <redacted> + 96
10 UIKit 0x000000018c14a178 <redacted> + 80
11 UIKit 0x000000018c14e5c4 <redacted> + 492
12 UIKit 0x000000018c14d878 <redacted> + 164
13 UIKit 0x000000018c14d7a8 <redacted> + 284
14 UIKit 0x000000018bcaa700 <redacted> + 444
15 UIKit 0x000000018bcaa7d4 <redacted> + 60
16 UIKit 0x000000018bcaa914 <redacted> + 28
17 UIKit 0x000000018bca9f08 <redacted> + 100
18 UIKit 0x000000018b85b610 <redacted> + 1124
19 UIKit 0x000000018b85b194 <redacted> + 28
20 UIKit 0x000000018bbcdbfc <redacted> + 108
21 UIKit 0x000000018bbc6e58 <redacted> + 1328
22 UIKit 0x000000018bbc8840 <redacted> + 4428
23 UIKit 0x000000018bbcb278 <redacted> + 472
24 UIKit 0x000000018b9520a4 <redacted> + 184
25 UIKit 0x000000018c13d324 <redacted> + 512
26 UIKit 0x000000018c13b8d8 <redacted> + 228
27 UIKit 0x000000018bcb8328 <redacted> + 260
28 Mawgif 0x0000000100177534 __63-[APIService_Request_Response getRequest:withCompletionHandle:]_block_invoke + 628
29 CFNetwork 0x0000000185a1349c <redacted> + 32
30 CFNetwork 0x0000000185a26454 <redacted> + 296
31 Foundation 0x000000018722782c <redacted> + 16
32 Foundation 0x000000018717a6c0 <redacted> + 96
33 Foundation 0x000000018716a918 <redacted> + 604
34 Foundation 0x0000000187229c20 <redacted> + 224
35 libdispatch.dylib 0x0000000101ec5d30 _dispatch_client_callout + 16
36 libdispatch.dylib 0x0000000101ed27f0 _dispatch_queue_drain + 1036
37 libdispatch.dylib 0x0000000101ec9a20 _dispatch_queue_invoke + 464
38 libdispatch.dylib 0x0000000101ed4908 _dispatch_root_queue_drain + 760
39 libdispatch.dylib 0x0000000101ed4600 _dispatch_worker_thread3 + 132
40 libsystem_pthread.dylib 0x000000019b909478 _pthread_wqthread + 1092
41 libsystem_pthread.dylib 0x000000019b909028 start_wqthread + 4
）