CLLocation 管理器不返回位置
CLLocation manager not returning location
我正在尝试在我的 viewDidLoad 方法中使用此代码获取当前位置:
//init the location manager
locationManager = [[CLLocationManager alloc] init];
locationManager.delegate = self;
locationManager.desiredAccuracy = kCLLocationAccuracyBest;
[locationManager startUpdatingLocation];
我有我的委托方法:
//if it fails to get the location
- (void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *)error
{
NSLog(@"didFailWithError: %@", error);
UIAlertView *errorAlert = [[UIAlertView alloc]
initWithTitle:@"Error" message:@"Failed to Get Your Location" delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil];
[errorAlert show];
}
- (void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation
{
NSLog(@"didUpdateToLocation: %@", newLocation);
self.currentLocation = newLocation;
}
我的 UIViewController 符合 CLLocationManagerDelegate 但是我没有 activity,没有 NSLog 或错误。我已经在设备上进行了测试。有人可以告诉我这里可能出了什么问题吗?
确保您遵循文档中的指南
尤其是“UIRequiredDeviceCapabilities”键在您的 Info.plist 中。
我正在尝试在我的 viewDidLoad 方法中使用此代码获取当前位置:
//init the location manager
locationManager = [[CLLocationManager alloc] init];
locationManager.delegate = self;
locationManager.desiredAccuracy = kCLLocationAccuracyBest;
[locationManager startUpdatingLocation];
我有我的委托方法:
//if it fails to get the location
- (void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *)error
{
NSLog(@"didFailWithError: %@", error);
UIAlertView *errorAlert = [[UIAlertView alloc]
initWithTitle:@"Error" message:@"Failed to Get Your Location" delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil];
[errorAlert show];
}
- (void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation
{
NSLog(@"didUpdateToLocation: %@", newLocation);
self.currentLocation = newLocation;
}
我的 UIViewController 符合 CLLocationManagerDelegate 但是我没有 activity,没有 NSLog 或错误。我已经在设备上进行了测试。有人可以告诉我这里可能出了什么问题吗?
确保您遵循文档中的指南
尤其是“UIRequiredDeviceCapabilities”键在您的 Info.plist 中。