海拔高度
#import <CoreLocation/CoreLocation.h>
#import <MapKit/MapKit.h>
@property (nonatomic , strong) CLLocationManager * locationManager;
@property (nonatomic , strong) UILabel * altitude;//海拔
@property (nonatomic , strong) UILabel * verticalAccuracy;//垂直精度
self.locationManager = [[CLLocationManager alloc] init];
self.locationManager.desiredAccuracy = kCLLocationAccuracyBest;
self.locationManager.delegate = self;
[self.locationManager requestAlwaysAuthorization];
[self.locationManager startUpdatingLocation];
//实现回调
-(void)locationManager:(CLLocationManager *)manager
didUpdateToLocation:(CLLocation *)newLocation
fromLocation:(CLLocation *)oldLocation
{
float altitude = newLocation.altitude;
float verticalAccuracy = newLocation.verticalAccuracy;
NSLog(@"%.2fm == %.2fm",altitude ,verticalAccuracy);
self.altitude.text = [NSString stringWithFormat:@"海拔高度:%.2fm",altitude];
self.verticalAccuracy.text = [NSString stringWithFormat:@"垂直精度 :%.2fm",verticalAccuracy];
}
//error回调
-(void)locationManager:(CLLocationManager *)manager
didFailWithError:(NSError *)error
{
NSLog(@"error.userInfo:%@
error.domain:%@",error.userInfo,error.domain);
}
实时气压
#import <CoreMotion/CMAltimeter.h>
@property (nonatomic , strong) CMAltimeter *altimeter;
//检测设备是否支持气压计
if (![CMAltimeter isRelativeAltitudeAvailable]) {
NSLog(@"Barometer is not available on this device. Sorry!");
return;
}
//启用气压计
self.altimeter = [[CMAltimeter alloc]init];
[self.altimeter startRelativeAltitudeUpdatesToQueue:NSOperationQueue.mainQueue withHandler:^(CMAltitudeData * _Nullable altitudeData, NSError * _Nullable error) {
NSLog(@"%lf",[altitudeData.relativeAltitude floatValue]);
NSLog(@"%@",error);
}];
PS: iphone6以下 气压没有卵用.... iPhone SE 也没有卵用