通过 GPS 信息获取当前所在城市名的代码

概述利用 iPhone、iPad 自带的 GPS 信息可以获得当前位置坐标，但直接高速用户坐标是不行的。CocoaChina 会员"laigb"分享了通过 GPS 信息获取当前所在城市名的代码，希望对苹果开发者有所帮助。 #import "testLocationViewController.h" @implementation testLocationViewController  @synthes

利用 iPhone、iPad 自带的 GPS 信息可以获得当前位置坐标，但直接高速用户坐标是不行的。CocoaChina 会员"laigb"分享了通过 GPS 信息获取当前所在城市名的代码，希望对苹果开发者有所帮助。

#import "testLocationVIEwController.h"

@implementation testLocationVIEwController

 @synthesize locationmanger = _locationmanger;

 - (voID)dealloc

{

    [super dealloc];

 

    [_locationmanger release];

} 

- (voID)dIDReceiveMemoryWarning

{

    // Releases the vIEw if it doesn't have a supervIEw.

    [super dIDReceiveMemoryWarning];

 

    // Release any cached data,images,etc that aren't in use.

}

#pragma mark - VIEw lifecycle

- (voID)vIEwDIDLoad

{

    [super vIEwDIDLoad];

 

    cityLabel = [[[UILabel alloc] initWithFrame: CGRectMake(20,30,100,100)] autorelease];

    [self.vIEw addSubvIEw: cityLabel];

 

    /*

    self.locationmanger = [[CLLocationManager alloc] init];

    _locationmanger.delegate = self;

    _locationmanger.desiredAccuracy = kCLLocationAccuracyBest;

    [_locationmanger startUpdatingLocation];

     */

 

    _locationmanger = [[CLLocationManager alloc] init];

    _locationmanger.delegate = self;

    _locationmanger.distanceFilter = 1;

    _locationmanger.desiredAccuracy = kCLLocationAccuracyBest;

    [_locationmanger startUpdatingLocation];

}

 

 

- (voID)vIEwDIDUnload

{

    [super vIEwDIDUnload];

    // Release any retained subvIEws of the main vIEw.

    // e.g. self.myOutlet = nil;

}

 - (BOol)shouldautorotatetoInterfaceOrIEntation:(UIInterfaceOrIEntation)interfaceOrIEntation

{

    // Return YES for supported orIEntations

    return YES;

}

 - (voID)locationManager:(CLLocationManager *)manager

       dIDFailWithError:(NSError *)error

{

 

}

- (voID)locationManager:(CLLocationManager *)manager dIDUpdatetoLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation

{

    CLLocationdistance l = newLocation.coordinate.latitude;//得到经度

    CLLocationdistance v = newLocation.coordinate.longitude;//得到纬度

 

    NSLog(@"%f %f",l,v);

 

    CLLocation *new = [[CLLocation alloc] initWithLatitude: 11.0 longitude: 12.0];

 

    CLLocationdistance u = [newLocation distanceFromLocation: new];

 

    NSLog(@"%f",u);

 

    [self startedReverseGeoderWithLatitude: l longitude: v];

}

 - (voID)startedReverseGeoderWithLatitude:(double)latitude longitude:(double)longitude{

    CLLocationCoordinate2D coordinate2D;

    coordinate2D.longitude = longitude;

    coordinate2D.latitude = latitude;

    MKReverseGeocoder *geoCoder = [[MKReverseGeocoder alloc] initWithCoordinate:coordinate2D];

    geoCoder.delegate = self;

    [geoCoder start];

}

#pragma mark -

- (voID)reverseGeocoder:(MKReverseGeocoder *)geocoder dIDFindplacemark:(MKPlacemark *)placemark

{

    Nsstring *subthroung=placemark.subThoroughfare;

    Nsstring *local=placemark.locality;

    NSLog(@"城市名:%@-%@-%@",placemark.locality,local,subthroung);

    if (local) {

       [cityLabel setText:local];

    }

}

- (voID)reverseGeocoder:(MKReverseGeocoder *)geocoder dIDFailWithError:(NSError *)error

{

}

 

@end

总结

以上是内存溢出为你收集整理的通过 GPS 信息获取当前所在城市名的代码全部内容，希望文章能够帮你解决通过 GPS 信息获取当前所在城市名的代码所遇到的程序开发问题。

如果觉得内存溢出网站内容还不错，欢迎将内存溢出网站推荐给程序员好友。