6.区域监听

@interface ViewController()

@property(nonatomic,strong)CLLocationManager* manager;

@end

@implementationViewController

- (void)viewDidLoad {

[superviewDidLoad];

// Do any additional setup after loading the view, typically from a

nib.

CLLocationManager*

manager = [[CLLocationManageralloc]init];

manager.delegate=self;

self.manager= manager;

//请求用户授权

//[_manager requestWhenInUseAuthorization];//这个不能实现区域监听

[_manager requestAlwaysAuthorization];

[_manager startUpdatingLocation];

NSLog(@"is = %i",[CLLocationManagerisMonitoringAvailableForClass：[CLCircularRegionclass]]);

CLLocationCoordinate2D center =CLLocationCoordinate2DMake(21.123,121.345);

CLCircularRegion*

region = [[CLCircularRegion alloc]initWithCenter:center radius:1000 identifier:@"lyb"];

[_manager startMonitoringForRegion:region];//开始监听

}

- (void)locationManager:(CLLocationManager*)manager didEnterRegion:(CLRegion*)region {

NSLog(@"%s",__func__);

}

- (void)locationManager:(CLLocationManager*)manager didExitRegion:(CLRegion*)region {

NSLog(@"%s",__func__);

}

@end