GMSReverseGeocodeResponse
包含
- (GMSReverseGeocodeResult *)firstResult;
其定义如下:
@interface GMSReverseGeocodeResult : NSObject<NSCopying>
/** Returns the first line of the address. */
- (NSString *)addressLine1;
/** Returns the second line of the address. */
- (NSString *)addressLine2;
@end
有没有办法从这两个字符串中获取国家/地区,ISO国家/地区代码,州(administrative_area_1或相应的一个)(适用于所有国家/地区和所有地址)?
注意:我试图执行这段代码
[[GMSGeocoder geocoder] reverseGeocodeCoordinate:CLLocationCoordinate2DMake(40.4375, -3.6818) completionHandler:^(GMSReverseGeocodeResponse *resp, NSError *error)
{
NSLog( @"Error is %@", error) ;
NSLog( @"%@" , resp.firstResult.addressLine1 ) ;
NSLog( @"%@" , resp.firstResult.addressLine2 ) ;
} ] ;
但由于某种原因,处理程序从未被调用过。我确实添加了应用密钥,并且还将iOS捆绑包ID添加到了应用密钥。控制台中未打印错误。有了这个,我的意思是我不知道线条的内容。
答案 0 :(得分:35)
最简单的方法是升级到Google Maps SDK for iOS的版本1.7 (2014年2月发布)。
来自release notes:
GMSGeocoder
现在通过GMSAddress
提供结构化地址,弃用GMSReverseGeocodeResult
。
从GMSAddress
Class Reference,您可以找到these properties:
<强>
coordinate
强>
位置,或kLocationCoordinate2DInvalid
,如果不知道。<强>
thoroughfare
强>
街道号码和名称。<强>
locality
强>
地方或城市。<强>
subLocality
强>
地方,地区或公园的细分。<强>
administrativeArea
强>
地区/州/行政区。<强>
postalCode
强>
邮政编码。<强>
country
强>
国名。<强>
lines
强>
包含地址格式化行的NSString
数组。
虽然没有ISO国家/地区代码
另请注意,某些属性可能会返回nil
。
以下是一个完整的例子:
[[GMSGeocoder geocoder] reverseGeocodeCoordinate:CLLocationCoordinate2DMake(40.4375, -3.6818) completionHandler:^(GMSReverseGeocodeResponse* response, NSError* error) {
NSLog(@"reverse geocoding results:");
for(GMSAddress* addressObj in [response results])
{
NSLog(@"coordinate.latitude=%f", addressObj.coordinate.latitude);
NSLog(@"coordinate.longitude=%f", addressObj.coordinate.longitude);
NSLog(@"thoroughfare=%@", addressObj.thoroughfare);
NSLog(@"locality=%@", addressObj.locality);
NSLog(@"subLocality=%@", addressObj.subLocality);
NSLog(@"administrativeArea=%@", addressObj.administrativeArea);
NSLog(@"postalCode=%@", addressObj.postalCode);
NSLog(@"country=%@", addressObj.country);
NSLog(@"lines=%@", addressObj.lines);
}
}];
及其输出:
coordinate.latitude=40.437500
coordinate.longitude=-3.681800
thoroughfare=(null)
locality=(null)
subLocality=(null)
administrativeArea=Community of Madrid
postalCode=(null)
country=Spain
lines=(
"",
"Community of Madrid, Spain"
)
或者,您可以考虑在Reverse Geocoding(The Google Geocoding API)中使用example。
答案 1 :(得分:18)
回答 Swift
使用Google Maps iOS SDK(目前使用的是V1.9.2,您无法指定返回结果的语言):
@IBAction func googleMapsiOSSDKReverseGeocoding(sender: UIButton) {
let aGMSGeocoder: GMSGeocoder = GMSGeocoder()
aGMSGeocoder.reverseGeocodeCoordinate(CLLocationCoordinate2DMake(self.latitude, self.longitude)) {
(let gmsReverseGeocodeResponse: GMSReverseGeocodeResponse!, let error: NSError!) -> Void in
let gmsAddress: GMSAddress = gmsReverseGeocodeResponse.firstResult()
print("\ncoordinate.latitude=\(gmsAddress.coordinate.latitude)")
print("coordinate.longitude=\(gmsAddress.coordinate.longitude)")
print("thoroughfare=\(gmsAddress.thoroughfare)")
print("locality=\(gmsAddress.locality)")
print("subLocality=\(gmsAddress.subLocality)")
print("administrativeArea=\(gmsAddress.administrativeArea)")
print("postalCode=\(gmsAddress.postalCode)")
print("country=\(gmsAddress.country)")
print("lines=\(gmsAddress.lines)")
}
}
使用Google Reverse Geocoding API V3(目前您可以specify返回结果的语言):
@IBAction func googleMapsWebServiceGeocodingAPI(sender: UIButton) {
self.callGoogleReverseGeocodingWebservice(self.currentUserLocation())
}
// #1 - Get the current user's location (latitude, longitude).
private func currentUserLocation() -> CLLocationCoordinate2D {
// returns current user's location.
}
// #2 - Call Google Reverse Geocoding Web Service using AFNetworking.
private func callGoogleReverseGeocodingWebservice(let userLocation: CLLocationCoordinate2D) {
let url = "https://maps.googleapis.com/maps/api/geocode/json?latlng=\(userLocation.latitude),\(userLocation.longitude)&key=\(self.googleMapsiOSAPIKey)&language=\(self.googleReverseGeocodingWebserviceOutputLanguageCode)&result_type=country"
AFHTTPRequestOperationManager().GET(
url,
parameters: nil,
success: { (operation: AFHTTPRequestOperation!, responseObject: AnyObject!) in
println("GET user's country request succeeded !!!\n")
// The goal here was only for me to get the user's iso country code +
// the user's Country in english language.
if let responseObject: AnyObject = responseObject {
println("responseObject:\n\n\(responseObject)\n\n")
let rootDictionary = responseObject as! NSDictionary
if let results = rootDictionary["results"] as? NSArray {
if let firstResult = results[0] as? NSDictionary {
if let addressComponents = firstResult["address_components"] as? NSArray {
if let firstAddressComponent = addressComponents[0] as? NSDictionary {
if let longName = firstAddressComponent["long_name"] as? String {
println("long_name: \(longName)")
}
if let shortName = firstAddressComponent["short_name"] as? String {
println("short_name: \(shortName)")
}
}
}
}
}
}
},
failure: { (operation: AFHTTPRequestOperation!, error: NSError!) in
println("Error GET user's country request: \(error.localizedDescription)\n")
println("Error GET user's country request: \(operation.responseString)\n")
}
)
}
我希望这段代码和解释能够帮助未来的读者。
答案 2 :(得分:0)
在Swift 4.0中,该功能获得CLLocation并返回邮政地址
func geocodeCoordinates(location : CLLocation)->String{
var postalAddress = ""
let geocoder = GMSGeocoder()
geocoder.reverseGeocodeCoordinate(location.coordinate, completionHandler: {response,error in
if let gmsAddress = response!.firstResult(){
for line in gmsAddress.lines! {
postalAddress += line + " "
}
return postalAddress
}
})
return ""
}
答案 3 :(得分:0)
针对美国地址的Swift 5版本:
import Foundation
import GoogleMaps
extension GMSAddress {
var formattedAddress: String {
let addressComponents = [
thoroughfare, // One Infinite Loop
locality, // Cupertino
administrativeArea, // California
postalCode // 95014
]
return addressComponents
.compactMap { $0 }
.joined(separator: ", ")
}
}