整个iOS系统的定位服务是否开启
#import <CoreLocation/CoreLocation.h>
[CLLocationManager locationServicesEnabled];
当前应用定位服务授权
- iOS8以前
@interface RootViewController () <CLLocationManagerDelegate>
@property (nonatomic,strong) CLLocationManager * manager;
@end
_manager = [[CLLocationManager alloc] init];
_manager.delegate = self;
[_manager startUpdatingLocation];
- (void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *)error{
NSString *errorString;
NSLog(@"定位失败原因: %@",[error localizedDescription]);
switch([error code]) {
case kCLErrorLocationUnknown:
// do something...
break;
case kCLErrorDenied:
// do something...
break;
......
}
}
定位的错误信息
typedef NS_ENUM(NSInteger, CLError) {
// 目前位置是未知的,但CL将继续努力
kCLErrorLocationUnknown = 0, // location is currently unknown, but CL will keep trying
// 获取用户位置或范围被拒绝
kCLErrorDenied, // Access to location or ranging has been denied by the user
// 一般情况下,网络相关的错误
kCLErrorNetwork, // general, network-related error
// 标题不能确定
kCLErrorHeadingFailure, // heading could not be determined
// 位置区域监测被用户拒绝
kCLErrorRegionMonitoringDenied, // Location region monitoring has been denied by the user
// 注册区域不能监控
kCLErrorRegionMonitoringFailure, // A registered region cannot be monitored
// CL不能立即初始化区域监控
kCLErrorRegionMonitoringSetupDelayed, // CL could not immediately initialize region monitoring
// 如果这个防护事件被提交，提交将不会出现
kCLErrorRegionMonitoringResponseDelayed, // While events for this fence will be delivered, delivery will not occur immediately
// 地理编码没有结果
kCLErrorGeocodeFoundNoResult, // A geocode request yielded no result
// 地理编码产生一部分结果
kCLErrorGeocodeFoundPartialResult, // A geocode request yielded a partial result
// 地理编码被取消
kCLErrorGeocodeCanceled, // A geocode request was cancelled
// 延迟模式失败
kCLErrorDeferredFailed, // Deferred mode failed
// 延迟模式失败了,因为位置更新禁用或暂停
kCLErrorDeferredNotUpdatingLocation, // Deferred mode failed because location updates disabled or paused
// 延迟模式不支持当前精准度
kCLErrorDeferredAccuracyTooLow, // Deferred mode not supported for the requested accuracy
// 延迟模式不支持距离过滤器
kCLErrorDeferredDistanceFiltered, // Deferred mode does not support distance filters
// 延迟模式请求取消前一个请求
kCLErrorDeferredCanceled, // Deferred mode request canceled a previous request
// 测距杆不能执行
kCLErrorRangingUnavailable, // Ranging cannot be performed
// 测距失败
kCLErrorRangingFailure, // General ranging failure
};
-
iOS8以后
iOS8以后位置服务权限需要应用主动向系统注册授权
1，在Info.plist添加配置 （可根据情况任选其一，也可以两者都添加）
2，向系统注册权限（可根据情况任选其一，也可以两者都添加，与Info.plist中添加的配置对应）
[_manager requestWhenInUseAuthorization];
[_manager requestAlwaysAuthorization];
3，当应用启动时，系统会根据应用的注册授权弹出提示框请求用户授权
（弹框的描述信息与Info.plist中配置的描述信息是一直的）
4，当我们点击允许的时候，定位服务开始生效。
此时持续调用代理函数
- (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray<CLLocation *> *)locations{
NSLog(@"定位中....");
}
当点击不允许的使用，分别调用代理函数
- (void)locationManager:(CLLocationManager *)manager didChangeAuthorizationStatus:(CLAuthorizationStatus)status{
NSLog(@"授权状态改变");
}
- (void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *)error{
NSString *errorString;
NSLog(@"定位失败原因: %@",[error localizedDescription]);
}
5，我们再来看看手机设置中的界面
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