实战应用
1.首先导入两个包 MapKit.framework 和 CoreLocation.framework.
// 1. 实例化定位管理器
_locationManager = [[CLLocationManager alloc] init];
// 2. 设置代理
_locationManager.delegate = self;
// 3. 定位精度
[_locationManager setDesiredAccuracy:kCLLocationAccuracyBest];
// 4. 更新用户位置
[_locationManager startUpdatingLocation];
- (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray *)locations
- (void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *)error
原文:http://www.cnblogs.com/weizai123/p/3561202.html