IOS8 display place names based on longitude and latitude

IOS8 display place names based on longitude and latitude

We often use mobile phones to retrieve location information for projects and then transmit data to the background. This is a demo of iOS8 displaying place names based on longitude and latitude.

// 1. Import the framework

//

// NearByViewController. m

// NearDemo

//

// Created by apple on 14/12/5.

// Copyright (c) 2014 youdianshang. All rights reserved.

//

# Import

# Import

@ Interface NearByViewController ()

{

NSUserDefaults * defaluts;

NSString * jingduStr;

NSString * weiduStr;

NSString * LocationAddress;

}

@ Property (nonatomic, retain) CLLocationManager * locationManager;

@ Property (strong, nonatomic) UILabel * positionLabel;

/*

Latitude and longitude settings

*/

-(Void) getLocationAll

{

Self. locationManager = [[CLLocationManageralloc] init];

_ LocationManager. delegate = self;

_ LocationManager. desiredAccuracy = kCLLocationAccuracyBest;

_ LocationManager. distanceFilter = 10;

[_ LocationManagerrequestAlwaysAuthorization]; // Add this sentence

[_ LocationManagerstartUpdatingLocation];

}

/*

// Obtain the current geographical location through latitude and longitude

-(Void) change {

Defaluts = [NSUserDefaultsstandardUserDefaults];

CLLocationCoordinate2D coordinate;

Coordinate. latitude = [[NSStringstringWithFormat: @ "% @", jingduStr] floatValue];

Coordinate. longpolling = [[NSStringstringWithFormat: @ "% @", weiduStr] floatValue];

CLLocation * newLocation = [[CLLocationalloc] initWithLatitude: coordinate. latitudelongstrap: coordinate. longpolling];

CLGeocoder * geocoder = [[CLGeocoderalloc] init];

[Geocoder reverseGeocodeLocation: newLocationcompletionHandler: ^ (NSArray * placemarks, NSError * error)

{

MKPlacemark * placemark = [placemarks objectAtIndex: 0];

LocationAddress = [NSStringstringWithFormat: @ "% %%@%@", placemark. locality, placemark. subLocality, placemark. thoroughfare, placemark. subThoroughfare];

[Defaluts setObject: LocationAddress forKey: @ "address"];

NSLog (@ "ultimate goal: 1: % @ 2: % @ 3: % @ 4: % @", placemark. locality, placemark. subLocality, placemark. thoroughfare, placemark. subThoroughfare );

}];

# Pragma mark -- Implement the CLLocationManagerDelegate proxy method to obtain the geographical location) ========================================================== ==========================================

// (1) obtain the location data and return a CLLocation array.

-(Void) locationManager :( CLLocationManager *) manager didUpdateLocations :( NSArray *) locations

{

CLLocation * currLocation = [locations lastObject];

NSLog (@ "longitude = % f latitude = % f Height = % f", currLocation. coordinate. latitude, currLocation. coordinate. longpolling, currLocation. altitude );

JingduStr = [NSStringstringWithFormat: @ "% f", currLocation. coordinate. latitude];

WeiduStr = [NSStringstringWithFormat: @ "% f", currLocation. coordinate. longpolling];

NSLog (@ "jijijijijij: % @", jingduStr );

[Self change];

}

// (2) callback Method for retrieving user location data failure, which notifies the user

-(Void) locationManager :( CLLocationManager *) manager didFailWithError :( NSError *) error

{

If ([error code] = kCLErrorDenied)

{

// Access Denied

}

If ([errorcode] = kCLErrorLocationUnknown ){

// Unable to obtain location information

}

}