Initial use of cllocation in Xcode-geocoding

Geocoding, as the name implies, is applied to the positioning function, following a brief description of the geocoding in Cllocation:

Interface:

Code:

1 #import "HMViewController.h"2 #import<CoreLocation/CoreLocation.h>3 4 @interfaceHmviewcontroller ()5@property (nonatomic, strong) Clgeocoder *Geocoder;6 7 #pragmaMark-geo-coding8-(ibaction) GeoCode;9@property (Weak, nonatomic) Iboutlet Uitextfield *Addressfield;Ten@property (Weak, nonatomic) Iboutlet UILabel *Longitudelabel; One@property (Weak, nonatomic) Iboutlet UILabel *Latitudelabel; A@property (Weak, nonatomic) Iboutlet UILabel *Detailaddresslabel; -  - #pragmaMark-Anti-geocoding the-(ibaction) Reversegeocode; -@property (Weak, nonatomic) Iboutlet Uitextfield *Longtitudefield; -@property (Weak, nonatomic) Iboutlet Uitextfield *Latitudefield; -@property (Weak, nonatomic) Iboutlet UILabel *Reversedetailaddresslabel; + @end -  + @implementationHmviewcontroller A  at-(Clgeocoder *) Geocoder - { -     if(!_geocoder) { -Self.geocoder =[[Clgeocoder alloc] init]; -     } -     return_geocoder; in } -  to- (void) Viewdidload + { - [Super Viewdidload]; the      * } $ Panax Notoginseng /** - * Geographical code: Geographical name, longitude and latitude the  */ +- (void) GeoCode A { the     //1. Get the address you entered +NSString *address =Self.addressField.text; -     if(Address.length = =0)return; $      $     //2. Start Coding -[Self.geocoder geocodeaddressstring:address completionhandler:^ (Nsarray *placemarks, NSError *error) { -         if(Error | | placemarks.count = =0) { theSelf.detailAddressLabel.text =@"the address you entered could not be found, possibly on Mars ."; -}Else{//Successful encoding (location information is found)Wuyi             //all the landmark information of the output query the              for(Clplacemark *placemarkinchplacemarks) { -NSLog (@"name=%@ locality=%@ country=%@ postalcode=%@", Placemark.name, placemark.locality, Placemark.country, placemark.postalcode); Wu             } -              About             //Show the front landmark information $Clplacemark *firstplacemark =[Placemarks firstobject]; -Self.detailAddressLabel.text =Firstplacemark.name; -              -Cllocationdegrees latitude =FirstPlacemark.location.coordinate.latitude; ACllocationdegrees longitude =FirstPlacemark.location.coordinate.longitude; +Self.latitudeLabel.text = [NSString stringWithFormat:@"%.2f", latitude]; theSelf.longitudeLabel.text = [NSString stringWithFormat:@"%.2f", longitude]; -         } $     }]; the } the  the /** the * Anti-geocoding: Geographical Names by latitude and longitude -  */ in- (void) Reversegeocode the { theNSString *longtitudetext =Self.longtitudeField.text; AboutNSString *latitudetext =Self.latitudeField.text; the     if(Longtitudetext.length = =0|| Latitudetext.length = =0)return; the      theCllocationdegrees latitude =[Latitudetext Doublevalue]; +Cllocationdegrees longtitude =[Longtitudetext Doublevalue]; -      the     //Start Reverse CodingBayiCllocation *location =[[Cllocation alloc] Initwithlatitude:latitude longitude:longtitude]; the[Self.geocoder reversegeocodelocation:location completionhandler:^ (Nsarray *placemarks, NSError *error) { the         if(Error | | placemarks.count = =0) { -Self.reverseDetailAddressLabel.text =@"the latitude and longitude you entered could not be found, possibly on Mars ."; -}Else{//Successful encoding (location information is found) the             //all the landmark information of the output query the              for(Clplacemark *placemarkinchplacemarks) { theNSLog (@"name=%@ locality=%@ country=%@ postalcode=%@", Placemark.name, placemark.locality, Placemark.country, placemark.postalcode); the             } -              the             //Show the front landmark information theClplacemark *firstplacemark =[Placemarks firstobject]; theSelf.reverseDetailAddressLabel.text =Firstplacemark.name;94              theCllocationdegrees latitude =FirstPlacemark.location.coordinate.latitude; theCllocationdegrees longitude =FirstPlacemark.location.coordinate.longitude; theSelf.latitudeField.text = [NSString stringWithFormat:@"%.2f", latitude];98Self.longtitudeField.text = [NSString stringWithFormat:@"%.2f", longitude]; About         } -     }];101 }102 103- (void) Touchesbegan: (Nsset *) touches withevent: (Uievent *)Event104 { the [Self.view Endediting:yes];106 }107 108 @end

Initial use of cllocation in Xcode-geocoding