#import <UIKit/UIKit.h>
#import <CoreLocation/CoreLocation.h> //这里要添加框架
@interface coreLocationViewController : UIViewController <CLLocationManagerDelegate>{
CLLocationManager *man;
}
@property(nonatomic, retain) CLLocationManager *man;
@end |
|
|
#import "coreLocationViewController.h" #import <CoreLocation/CoreLocation.h>
@implementation coreLocationViewController @synthesize man;
- (void)viewDidLoad { [super viewDidLoad]; man = [[CLLocationManager alloc] init]; // 如果可以利用本地服务时 if([man locationServicesEnabled]){ // 接收事件的实例 man.delegate = self; // 发生事件的的最小距离间隔(缺省是不指定) man.distanceFilter = kCLDistanceFilterNone; // 精度 (缺省是Best) man.desiredAccuracy = kCLLocationAccuracyBest; // 开始测量 [man startUpdatingLocation]; }
}
// 如果GPS测量成果以下的函数被调用 - (void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation{
// 取得经纬度 CLLocationCoordinate2D coordinate = newLocation.coordinate; CLLocationDegrees latitude = coordinate.latitude; CLLocationDegrees longitude = coordinate.longitude; // 取得精度 CLLocationAccuracy horizontal = newLocation.horizontalAccuracy; CLLocationAccuracy vertical = newLocation.verticalAccuracy; // 取得高度 CLLocationDistance altitude = newLocation.altitude; // 取得时刻 NSDate *timestamp = [newLocation timestamp];
// 以下面的格式输出 format: <latitude>, <longitude>> +/- <accuracy>m @ <date-time> NSLog([newLocation description]);
// 与上次测量地点的间隔距离 if(oldLocation != nil){ CLLocationDistance d = [newLocation getDistanceFrom:oldLocation]; NSLog([NSString stringWithFormat:@"%f", d]); } }
// 如果GPS测量失败了,下面的函数被调用 - (void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *)error{ NSLog([error localizedDescription]); }
|
|
内容来自用户分享和网络整理,不保证内容的准确性,如有侵权内容,可联系管理员处理