#import "ViewController.h"
#import <CoreLocation/CoreLocation.h>
@interface ViewController ()<CLLocationManagerDelegate>
@property(nonatomic,strong)CLLocationManager *manager;
@end
@implementation ViewController
-(CLLocationManager*)manager
{
if (_manager==nil) {
_manager=[[CLLocationManager alloc]init];
}
return _manager;
}
- (void)viewDidLoad {
[super viewDidLoad];
self.manager.delegate=self;
//判断ios7 或者8
if([[UIDevice currentDevice].systemVersion doubleValue]>8.0)
{
//[self.manager requestWhenInUseAuthorization];
[self.manager requestAlwaysAuthorization];
}
//创建中心点
CLLocationCoordinate2D center=CLLocationCoordinate2DMake(40.058501, 116.304171);
//确定区域
CLCircularRegion *circluar=[[CLCircularRegion alloc]initWithCenter:center radius:500 identifier:@"软件科技园!!"];
[self.manager startMonitoringForRegion:circluar];
}
-(void)locationManager:(CLLocationManager *)manager didEnterRegion:(CLRegion *)region
{
NSLog(@"进入坚挺趋于调用");
}
-(void)locationManager:(CLLocationManager *)manager didExitRegion:(CLRegion *)region
{
NSLog(@"离开监听区域时调用");
}
@end
原文：http://www.cnblogs.com/tangranyang/p/4655797.html