我的代码应该做这样的事情：
使用此方法将当前位置（使用显着位置更改）注册为200米半径的地理围栏：
- (void)startMonitoringRegionWithCoordinate:(CLLocationCoordinate2D)coordinate
当用户退出地理围栏时 - 再次注册其当前位置并发送到服务器
这种情况不会发生，有时它的工作效果不如预期，有时距离很远，效果很差。
我一直试图将半径改为100-250米并且结果相同，退出地理围栏事件的频繁发生并不像预期的那样发生。
我错过了什么？
代码：
- (CLLocationDistance)preferableRadius
{
CLLocationDistance radius = (CLLocationDistance)[defaults doubleForKey:kPREFERABLE_RADIUS_KEY];
if (radius == 0.0) {
[defaults setDouble:kFixedRadius forKey:kPREFERABLE_RADIUS_KEY];
[defaults synchronize];
radius = kFixedRadius;
}
else if (radius == kFixedRadius) {
radius = kFixedRadius;
}
else {
// Emergency mode, set radius to 100 meters
[defaults setDouble:kFixedRadiusEmergency forKey:kPREFERABLE_RADIUS_KEY];
[defaults synchronize];
radius = kFixedRadiusEmergency;
}
return (radius > self.locationManager.maximumRegionMonitoringDistance) ? kFixedRadius : radius;
}
- (void)handleDidFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
self.launchOptions = launchOptions;
}
- (BOOL)isMonitoringActivated
{
return self.locationManager.monitoredRegions.allObjects.count > 0;
}
- (void)deactivateMonitoring
{
for (CLCircularRegion *region in self.locationManager.monitoredRegions) {
[self.locationManager stopMonitoringForRegion:region];
}
}
- (CLCircularRegion *)returnGeofenceByUniqueID:(NSString *)geofenceID
{
for (CLCircularRegion *region in self.locationManager.monitoredRegions) {
if ([region.identifier isEqualToString:geofenceID]) {
return region;
}
}
return nil;
}
- (void)deleteGeofenceWithUniqieID:(NSString *)geofenceID
{
for (CLCircularRegion *region in self.locationManager.monitoredRegions) {
if ([region.identifier isEqualToString:geofenceID]) {
[self.locationManager stopMonitoringForRegion:region];
}
}
}
- (void)startMonitoringRegionWithCoordinate:(CLLocationCoordinate2D)coordinate
{
[self startMonitoringRegionWithCoordinate:coordinate andRadius:kPREFERED_RADIUS];
}
- (void)startMonitoringRegionWithCoordinate:(CLLocationCoordinate2D)coordinate andRadius:(CLLocationDirection)radius
{
NSLog(@"%s", __PRETTY_FUNCTION__);
if ([self isMonitoringActivated]) {
[self deactivateMonitoring];
}
CLCircularRegion *region = [[CLCircularRegion alloc] initWithCenter:coordinate
radius:radius
identifier:[self identifierForCoordinate:coordinate]];
if (region) {
CLLocation *lastLocation = [[CLLocation alloc] initWithLatitude:coordinate.latitude longitude:coordinate.longitude];
[self setLocation:lastLocation];
[self.locationManager startMonitoringForRegion:region];
[self.locationManager requestStateForRegion:region];
}
else NSLog(@"%s, region is nil, %@", __PRETTY_FUNCTION__, region);
}
- (NSArray *)sortedRegionsByDate
{
NSArray *regions = self.locationManager.monitoredRegions.allObjects;
NSArray *regionsNew = [regions sortedArrayUsingComparator:^NSComparisonResult(CLCircularRegion *obj1, CLCircularRegion *obj2) {
NSDate *date1 = (NSDate *)obj1.identifier;
NSDate *date2 = (NSDate *)obj2.identifier;
return [date1 compare:date2];
}];
return regionsNew;
}
- (void)startMonitoringSignificantLocationChanges
{
[self.locationManager startMonitoringSignificantLocationChanges];
}
- (void)stopMonitoringSignificantLocationChanges
{
[self.locationManager stopMonitoringSignificantLocationChanges];
}
- (NSString *)identifierForCoordinate:(CLLocationCoordinate2D)coordinate
{
return [NSString stringWithFormat:@"%@", [NSDate date]];
}
FOUNDATION_EXPORT NSString *NSStringFromCLRegionState(CLRegionState state)
{
if (state == CLRegionStateUnknown) {
return @"CLRegionStateUnknown";
} else if (state == CLRegionStateInside) {
return @"CLRegionStateInside";
} else if (state == CLRegionStateOutside) {
return @"CLRegionStateOutside";
} else {
return [NSString stringWithFormat:@"Undeterminded CLRegionState"];
}
}
- (void)verifyAndSendLastLocation:(CLLocation *)lastLocation
{
NSLog(@"verifyAndSendLastLocation, %@", lastLocation);
CLLocation *oldLocation = [self getLocation];
if (lastLocation && oldLocation) { // New & old location are good
NSTimeInterval seconds = [oldLocation.timestamp timeIntervalSinceDate:lastLocation.timestamp]; // Calculate how seconds passed
NSTimeInterval minutes = fabs(seconds) / 60; // Calculate how minutes passed
BOOL isSameCoordinate =
(oldLocation.coordinate.latitude == lastLocation.coordinate.latitude) &&
(oldLocation.coordinate.longitude == lastLocation.coordinate.longitude) ? YES : NO;
CLLocationDistance distance = [lastLocation distanceFromLocation:oldLocation];
NSLog(@"validateLastLocation, location: %@, minutes: %ld, distance: %f", lastLocation, (long)minutes, distance);
// Distance > 200 or 30 minutes passed or coordinates are different
if (distance >= 200.0 || minutes >= 30.0 || !isSameCoordinate) {
NSLog(@"Distance > 200 or 30 minutes passed or coordinates are different");
[[ServerApiManager sharedInstance] saveLocation:lastLocation]; // Send location to server
}
}
else { // We just starting location updates
NSLog(@"We just starting location updates");
[[ServerApiManager sharedInstance] saveLocation:lastLocation]; // Send new location to server
}
}
- (CLLocation *)getLocation
{
return [self unarchiveLocationForKey:kLAST_LOCATION_KEY];
}
- (CLLocation *)unarchiveLocationForKey:(NSString *)key
{
NSData *unarchivedData = [defaults objectForKey:key];
return (CLLocation *)[NSKeyedUnarchiver unarchiveObjectWithData:unarchivedData];
}
- (BOOL)setLocation:(CLLocation *)lastLocation
{
return [self archiveLocation:lastLocation toDeviceWithKey:kLAST_LOCATION_KEY];
}
- (BOOL)archiveLocation:(CLLocation *)location toDeviceWithKey:(NSString *)key
{
NSData *archivedData = [NSKeyedArchiver archivedDataWithRootObject:location];
[defaults setObject:archivedData forKey:key];
return [defaults synchronize];
}
#pragma mark - CLLocationManagerDelegate Methods
- (void)locationManager:(CLLocationManager *)manager monitoringDidFailForRegion:(CLRegion *)region withError:(NSError *)error
{
if (error.domain != kCLErrorDomain || error.code != 5/*) && [manager.monitoredRegions containsObject:region]*/) {
NSLog(@"monitoringDidFailForRegion, error: %@", error.localizedDescription);
NSLog(@"monitoringDidFailForRegion [manager.monitoredRegions containsObject:region]=%@"
,[manager.monitoredRegions containsObject:region]?@"yes":@"No");
NSLog(@"monitoringDidFailForRegion, regions before: %lu", (unsigned long)manager.monitoredRegions.allObjects.count);
}
if (manager.monitoredRegions.allObjects.count >= 19) {
[self startMonitoringRegionWithCoordinate:manager.location.coordinate];
}
}
- (void)locationManager:(CLLocationManager *)manager didChangeAuthorizationStatus:(CLAuthorizationStatus)status
{
if (![CLLocationManager locationServicesEnabled] || status == kCLAuthorizationStatusDenied || status == kCLAuthorizationStatusRestricted) {
if ([UIApplication sharedApplication].applicationState != UIApplicationStateActive) return;
dispatch_async(dispatch_get_main_queue(), ^{
UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:MFLocalizedString(@"mobile_control_team", nil)
message:MFLocalizedString(@"gps_and_wifi_text", nil)
delegate:self
cancelButtonTitle:MFLocalizedString(@"ok", nil)
otherButtonTitles:nil];
[alertView show];
});
}
}
- (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray *)locations
{
NSLog(@"didUpdateLocations: %@", locations);
CLLocation *lastLocation = (CLLocation *)locations.lastObject;
CLLocationCoordinate2D coordinate = lastLocation.coordinate;
if (lastLocation == nil || coordinate.latitude == 0.0 || coordinate.longitude == 0.0) return;
NSLog(@"didUpdateLocations, save location from didUpdateLocations.");
[self startMonitoringRegionWithCoordinate:coordinate];
[self verifyAndSendLastLocation:lastLocation];
}
- (void)locationManager:(CLLocationManager *)manager didStartMonitoringForRegion:(CLRegion *)region
{
NSLog(@"didStartMonitoringForRegion: %@", region);
[manager requestStateForRegion:region];
}
- (void)locationManager:(CLLocationManager *)manager didDetermineState:(CLRegionState)state forRegion:(CLRegion *)region
{
NSLog(@"didDetermineState, currentLocation: {%f, %f}, regionState: %@, region: %@",
manager.location.coordinate.latitude, manager.location.coordinate.longitude, NSStringFromCLRegionState(state), region);
}
- (void)locationManager:(CLLocationManager *)manager didEnterRegion:(CLRegion *)region
{
NSLog(@"didEnterRegion: %@", region);
}
- (void)locationManager:(CLLocationManager *)manager didExitRegion:(CLRegion *)region
{
NSTimeInterval minutes = ([UIApplication sharedApplication].backgroundTimeRemaining/60);
NSLog(@"didExitRegion, applicationState: %@, backgroundTimeRemaining(minutes): %f",
NSStringFromUIApplicationState([UIApplication sharedApplication].applicationState), minutes);
CLLocation *lastLocation = manager.location;
if (lastLocation == nil || lastLocation.coordinate.latitude == 0.0 || lastLocation.coordinate.longitude == 0.0) return;
NSLog(@"didExitRegion, save location from geofence.");
[self startMonitoringRegionWithCoordinate:lastLocation.coordinate];
[self verifyAndSendLastLocation:lastLocation];
}
答案 0 :(得分：0)
最终我尝试了一个新项目并对其进行了测试：
[[Geofence sharedInstance] startUpdatingLocation];
Geofence.h
#import <Foundation/Foundation.h>
#import <CoreLocation/CoreLocation.h>
@interface Geofence : NSObject <CLLocationManagerDelegate>
@property (strong, nonatomic) CLLocationManager *locationManager;
+ (Geofence *)sharedInstance;
- (void)startUpdatingLocation;
- (void)deactiveMonitoring;
FOUNDATION_EXPORT void GeneratelPushNotification(NSString *text);
@end
Geofence.m
#import "Geofence.h"
@implementation Geofence
+ (Geofence *)sharedInstance
{
static Geofence *instance;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
instance = [[Geofence alloc] init];
});
return instance;
}
- (instancetype)init
{
self = [super init];
if (!self) {
return nil;
}
self.locationManager = [[CLLocationManager alloc] init];
self.locationManager.desiredAccuracy = kCLLocationAccuracyBest;
self.locationManager.distanceFilter = kCLDistanceFilterNone;
self.locationManager.delegate = self;
return self;
}
FOUNDATION_EXPORT void GeneratelPushNotification(NSString *text)
{
UILocalNotification *localNotif = [[UILocalNotification alloc] init];
localNotif.fireDate = [NSDate date];
localNotif.timeZone = [NSTimeZone defaultTimeZone];
localNotif.alertBody = text;
localNotif.alertAction = NSLocalizedString(@"ok", nil);
localNotif.soundName = UILocalNotificationDefaultSoundName;
localNotif.userInfo = nil;
[[UIApplication sharedApplication] presentLocalNotificationNow:localNotif];
}
- (void)startUpdatingLocation
{
[self.locationManager startUpdatingLocation];
}
- (void)deactiveMonitoring
{
NSLog(@"deactiveMonitoring");
if (self.locationManager.monitoredRegions.allObjects.count > 0) {
NSLog(@"more then 0 regions");
for (CLRegion *region in self.locationManager.monitoredRegions) {
NSLog(@"cancel region");
[self.locationManager stopMonitoringForRegion:region];
}
}
}
- (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray *)locations
{
CLLocation *currentLocation = locations.lastObject;
NSLog(@"didUpdateLocations, currentLocation: %@", currentLocation);
if (currentLocation && currentLocation.coordinate.latitude != 0.0 && currentLocation.coordinate.longitude != 0.0) {
NSLog(@"didUpdateLocations, location is valid.");
[self deactiveMonitoring];
NSString *regionIdentifier = [[NSDate date] description];
CLCircularRegion *region = [[CLCircularRegion alloc] initWithCenter:currentLocation.coordinate radius:100 identifier:regionIdentifier];
[manager startMonitoringForRegion:region];
[manager stopUpdatingLocation];
NSLog(@"didUpdateLocations, end of if.");
}
}
- (void)locationManager:(CLLocationManager *)manager didDetermineState:(CLRegionState)state forRegion:(CLRegion *)region
{
NSLog(@"didDetermineState, state: %d, region: %@", state, region);
}
- (void)locationManager:(CLLocationManager *)manager didEnterRegion:(CLRegion *)region
{
NSLog(@"didEnterRegion, region: %@", region);
}
- (void)locationManager:(CLLocationManager *)manager didStartMonitoringForRegion:(CLRegion *)region
{
NSLog(@"didStartMonitoringForRegion, region: %@", region);
}
- (void)locationManager:(CLLocationManager *)manager didExitRegion:(CLRegion *)region
{
NSLog(@"didExitRegion: %@", region);
CLLocation *oldRegionLocation = [[CLLocation alloc] initWithLatitude:region.center.latitude longitude:region.center.longitude];
CLLocation *currentLocation = manager.location;
NSLog(@"didExitRegion, currentLocation: %@", currentLocation);
CLLocationDistance distanceBetween = [currentLocation distanceFromLocation:oldRegionLocation];
NSLog(@"didExitRegion, distanceBetween: %f", distanceBetween);
GeneratelPushNotification([NSString stringWithFormat:@"didExitRegion: {%f, %f}, distance: %f",
region.center.latitude, region.center.longitude, distanceBetween]);
[self deactiveMonitoring];
if (currentLocation && currentLocation.coordinate.latitude != 0.0 && currentLocation.coordinate.longitude != 0.0) {
NSLog(@"didExitRegion, location is valid.");
NSString *regionIdentifier = [[NSDate date] description];
CLCircularRegion *newRegion = [[CLCircularRegion alloc] initWithCenter:currentLocation.coordinate radius:100 identifier:regionIdentifier];
[manager startMonitoringForRegion:newRegion];
NSLog(@"didExitRegion, end of if.");
}
}
@end
登录iPhone 4，iOS 7.1.2，应用程序未运行：
2014-07-03 10:03:07.863 Geofence[449:60b] didUpdateLocations, currentLocation: <+31.24189568,+34.78870079> +/- 65.00m (speed -1.00 mps / course -1.00) @ 7/3/14, 10:03:07 Israel Daylight Time
2014-07-03 10:03:07.878 Geofence[449:60b] didUpdateLocations, location is valid.
2014-07-03 10:03:07.886 Geofence[449:60b] deactiveMonitoring
2014-07-03 10:03:07.926 Geofence[449:60b] didUpdateLocations, end of if.
2014-07-03 10:03:07.962 Geofence[449:60b] didUpdateLocations, currentLocation: <+31.24189568,+34.78870079> +/- 65.00m (speed -1.00 mps / course -1.00) @ 7/3/14, 10:03:07 Israel Daylight Time
2014-07-03 10:03:07.972 Geofence[449:60b] didUpdateLocations, location is valid.
2014-07-03 10:03:07.974 Geofence[449:60b] deactiveMonitoring
2014-07-03 10:03:08.028 Geofence[449:60b] more then 0 regions
2014-07-03 10:03:08.088 Geofence[449:60b] cancel region
2014-07-03 10:03:08.092 Geofence[449:60b] didUpdateLocations, end of if.
2014-07-03 10:03:08.096 Geofence[449:60b] didStartMonitoringForRegion, region: CLCircularRegion (identifier:'2014-07-03 07:03:07 +0000', center:<+31.24189568,+34.78870079>, radius:100.00m)
2014-07-03 10:03:08.489 Geofence[449:60b] didStartMonitoringForRegion, region: CLCircularRegion (identifier:'2014-07-03 07:03:08 +0000', center:<+31.24189568,+34.78870079>, radius:100.00m)
2014-07-03 10:13:16.946 Geofence[486:707] didExitRegion: CLCircularRegion (identifier:'2014-07-03 07:03:07 +0000', center:<+31.24189568,+34.78870079>, radius:100.00m)
2014-07-03 10:13:16.983 Geofence[486:707] didExitRegion, currentLocation: <+31.24067170,+34.79051177> +/- 65.00m (speed -1.00 mps / course -1.00) @ 7/3/14, 10:13:16 Israel Daylight Time
2014-07-03 10:13:16.992 Geofence[486:707] didExitRegion, distanceBetween: 219.498320
2014-07-03 10:13:17.011 Geofence[486:707] deactiveMonitoring
2014-07-03 10:13:17.651 Geofence[486:707] more then 0 regions
2014-07-03 10:13:17.661 Geofence[486:707] cancel region
2014-07-03 10:13:17.709 Geofence[486:707] didExitRegion, location is valid.
2014-07-03 10:13:17.723 Geofence[486:707] didExitRegion, end of if.
2014-07-03 10:13:17.916 Geofence[486:707] didDetermineState, state: 2, region: CLCircularRegion (identifier:'2014-07-03 07:03:07 +0000', center:<+31.24189568,+34.78870079>, radius:100.00m)
2014-07-03 10:13:17.922 Geofence[486:707] didExitRegion: CLCircularRegion (identifier:'2014-07-03 07:03:08 +0000', center:<+31.24189568,+34.78870079>, radius:100.00m)
2014-07-03 10:13:17.929 Geofence[486:707] didExitRegion, currentLocation: <+31.24067170,+34.79051177> +/- 65.00m (speed -1.00 mps / course -1.00) @ 7/3/14, 10:13:16 Israel Daylight Time
2014-07-03 10:13:17.993 Geofence[486:707] didExitRegion, distanceBetween: 219.498320
2014-07-03 10:13:18.404 Geofence[486:707] deactiveMonitoring
2014-07-03 10:13:18.416 Geofence[486:707] more then 0 regions
2014-07-03 10:13:18.435 Geofence[486:707] cancel region
2014-07-03 10:13:18.445 Geofence[486:707] didExitRegion, location is valid.
2014-07-03 10:13:18.470 Geofence[486:707] didExitRegion, end of if.
2014-07-03 10:13:18.636 Geofence[486:707] didDetermineState, state: 2, region: CLCircularRegion (identifier:'2014-07-03 07:03:08 +0000', center:<+31.24189568,+34.78870079>, radius:100.00m)
2014-07-03 10:13:18.696 Geofence[486:707] didUpdateLocations, currentLocation: <+31.24067179,+34.79051129> +/- 65.00m (speed -1.00 mps / course -1.00) @ 7/3/14, 10:13:16 Israel Daylight Time
2014-07-03 10:13:18.705 Geofence[486:707] didUpdateLocations, location is valid.
2014-07-03 10:13:18.712 Geofence[486:707] deactiveMonitoring
2014-07-03 10:13:18.731 Geofence[486:707] more then 0 regions
2014-07-03 10:13:18.753 Geofence[486:707] cancel region
2014-07-03 10:13:18.769 Geofence[486:707] didUpdateLocations, end of if.
2014-07-03 10:13:19.063 Geofence[486:707] didUpdateLocations, currentLocation: <+31.24067179,+34.79051129> +/- 65.00m (speed -1.00 mps / course -1.00) @ 7/3/14, 10:13:16 Israel Daylight Time
2014-07-03 10:13:19.086 Geofence[486:707] didUpdateLocations, location is valid.
2014-07-03 10:13:19.093 Geofence[486:707] deactiveMonitoring
2014-07-03 10:13:19.102 Geofence[486:707] more then 0 regions
2014-07-03 10:13:19.115 Geofence[486:707] cancel region
2014-07-03 10:13:19.128 Geofence[486:707] didUpdateLocations, end of if.
2014-07-03 10:13:19.469 Geofence[486:707] didUpdateLocations, currentLocation: <+31.24067111,+34.79051330> +/- 65.00m (speed -1.00 mps / course -1.00) @ 7/3/14, 10:13:16 Israel Daylight Time
2014-07-03 10:13:19.476 Geofence[486:707] didUpdateLocations, location is valid.
2014-07-03 10:13:19.481 Geofence[486:707] deactiveMonitoring
2014-07-03 10:13:19.494 Geofence[486:707] more then 0 regions
2014-07-03 10:13:19.518 Geofence[486:707] cancel region
2014-07-03 10:13:19.622 Geofence[486:707] didUpdateLocations, end of if.
2014-07-03 10:13:19.636 Geofence[486:707] didUpdateLocations, currentLocation: <+31.24067170,+34.79051177> +/- 65.00m (speed -1.00 mps / course -1.00) @ 7/3/14, 10:13:16 Israel Daylight Time
2014-07-03 10:13:19.644 Geofence[486:707] didUpdateLocations, location is valid.
2014-07-03 10:13:19.670 Geofence[486:707] deactiveMonitoring
2014-07-03 10:13:19.742 Geofence[486:707] more then 0 regions
2014-07-03 10:13:20.016 Geofence[486:707] cancel region
2014-07-03 10:13:20.042 Geofence[486:707] didUpdateLocations, end of if.
2014-07-03 10:13:20.049 Geofence[486:707] didStartMonitoringForRegion, region: CLCircularRegion (identifier:'2014-07-03 07:13:17 +0000', center:<+31.24067170,+34.79051177>, radius:100.00m)
2014-07-03 10:13:20.054 Geofence[486:707] didStartMonitoringForRegion, region: CLCircularRegion (identifier:'2014-07-03 07:13:18 +0000', center:<+31.24067170,+34.79051177>, radius:100.00m)
2014-07-03 10:13:20.085 Geofence[486:707] didStartMonitoringForRegion, region: CLCircularRegion (identifier:'2014-07-03 07:13:18 +0000', center:<+31.24067179,+34.79051129>, radius:100.00m)
2014-07-03 10:13:20.232 Geofence[486:707] didStartMonitoringForRegion, region: CLCircularRegion (identifier:'2014-07-03 07:13:19 +0000', center:<+31.24067179,+34.79051129>, radius:100.00m)
2014-07-03 10:13:20.401 Geofence[486:707] didStartMonitoringForRegion, region: CLCircularRegion (identifier:'2014-07-03 07:13:19 +0000', center:<+31.24067111,+34.79051330>, radius:100.00m)
2014-07-03 10:13:20.414 Geofence[486:707] didStartMonitoringForRegion, region: CLCircularRegion (identifier:'2014-07-03 07:13:20 +0000', center:<+31.24067170,+34.79051177>, radius:100.00m)
2014-07-03 10:17:02.317 Geofence[486:707] didExitRegion: CLCircularRegion (identifier:'2014-07-03 07:13:20 +0000', center:<+31.24067170,+34.79051177>, radius:100.00m)
2014-07-03 10:17:02.419 Geofence[486:707] didExitRegion, currentLocation: <+31.23952719,+34.79196977> +/- 65.00m (speed -1.00 mps / course -1.00) @ 7/3/14, 10:17:02 Israel Daylight Time
2014-07-03 10:17:02.435 Geofence[486:707] didExitRegion, distanceBetween: 188.134236
2014-07-03 10:17:02.681 Geofence[486:707] deactiveMonitoring
2014-07-03 10:17:02.697 Geofence[486:707] more then 0 regions
2014-07-03 10:17:02.730 Geofence[486:707] cancel region
2014-07-03 10:17:02.745 Geofence[486:707] didExitRegion, location is valid.
2014-07-03 10:17:02.752 Geofence[486:707] didExitRegion, end of if.
2014-07-03 10:17:02.762 Geofence[486:707] didDetermineState, state: 2, region: CLCircularRegion (identifier:'2014-07-03 07:13:20 +0000', center:<+31.24067170,+34.79051177>, radius:100.00m)
2014-07-03 10:17:02.894 Geofence[486:707] didStartMonitoringForRegion, region: CLCircularRegion (identifier:'2014-07-03 07:17:02 +0000', center:<+31.23952719,+34.79196977>, radius:100.00m)
2014-07-03 10:20:42.460 Geofence[486:707] didExitRegion: CLCircularRegion (identifier:'2014-07-03 07:17:02 +0000', center:<+31.23952719,+34.79196977>, radius:100.00m)
2014-07-03 10:20:42.593 Geofence[486:707] didExitRegion, currentLocation: <+31.23803334,+34.79391603> +/- 65.00m (speed -1.00 mps / course -1.00) @ 7/3/14, 10:20:42 Israel Daylight Time
2014-07-03 10:20:42.597 Geofence[486:707] didExitRegion, distanceBetween: 248.616173
2014-07-03 10:20:42.829 Geofence[486:707] deactiveMonitoring
2014-07-03 10:20:42.845 Geofence[486:707] more then 0 regions
2014-07-03 10:20:42.876 Geofence[486:707] cancel region
2014-07-03 10:20:42.896 Geofence[486:707] didExitRegion, location is valid.
2014-07-03 10:20:42.912 Geofence[486:707] didExitRegion, end of if.
2014-07-03 10:20:42.917 Geofence[486:707] didDetermineState, state: 2, region: CLCircularRegion (identifier:'2014-07-03 07:17:02 +0000', center:<+31.23952719,+34.79196977>, radius:100.00m)
2014-07-03 10:20:43.047 Geofence[486:707] didStartMonitoringForRegion, region: CLCircularRegion (identifier:'2014-07-03 07:20:42 +0000', center:<+31.23803334,+34.79391603>, radius:100.00m)
2014-07-03 10:24:32.434 Geofence[486:707] didExitRegion: CLCircularRegion (identifier:'2014-07-03 07:20:42 +0000', center:<+31.23803334,+34.79391603>, radius:100.00m)
2014-07-03 10:24:32.476 Geofence[486:707] didExitRegion, currentLocation: <+31.23773124,+34.79202236> +/- 65.00m (speed -1.00 mps / course -1.00) @ 7/3/14, 10:24:32 Israel Daylight Time
2014-07-03 10:24:32.490 Geofence[486:707] didExitRegion, distanceBetween: 183.486002
2014-07-03 10:24:32.523 Geofence[486:707] deactiveMonitoring
2014-07-03 10:24:32.743 Geofence[486:707] more then 0 regions
2014-07-03 10:24:32.775 Geofence[486:707] cancel region
2014-07-03 10:24:32.788 Geofence[486:707] didExitRegion, location is valid.
2014-07-03 10:24:32.804 Geofence[486:707] didExitRegion, end of if.
2014-07-03 10:24:32.808 Geofence[486:707] didDetermineState, state: 2, region: CLCircularRegion (identifier:'2014-07-03 07:20:42 +0000', center:<+31.23803334,+34.79391603>, radius:100.00m)
2014-07-03 10:24:32.942 Geofence[486:707] didStartMonitoringForRegion, region: CLCircularRegion (identifier:'2014-07-03 07:24:32 +0000', center:<+31.23773124,+34.79202236>, radius:100.00m)
2014-07-03 10:28:48.125 Geofence[486:707] didExitRegion: CLCircularRegion (identifier:'2014-07-03 07:24:32 +0000', center:<+31.23773124,+34.79202236>, radius:100.00m)
2014-07-03 10:28:48.233 Geofence[486:707] didExitRegion, currentLocation: <+31.23925385,+34.78998077> +/- 65.00m (speed -1.00 mps / course -1.00) @ 7/3/14, 10:28:48 Israel Daylight Time
2014-07-03 10:28:48.290 Geofence[486:707] didExitRegion, distanceBetween: 257.540389
2014-07-03 10:28:48.550 Geofence[486:707] deactiveMonitoring
2014-07-03 10:28:48.575 Geofence[486:707] more then 0 regions
2014-07-03 10:28:48.593 Geofence[486:707] cancel region
2014-07-03 10:28:48.619 Geofence[486:707] didExitRegion, location is valid.
2014-07-03 10:28:48.634 Geofence[486:707] didExitRegion, end of if.
2014-07-03 10:28:48.639 Geofence[486:707] didDetermineState, state: 2, region: CLCircularRegion (identifier:'2014-07-03 07:24:32 +0000', center:<+31.23773124,+34.79202236>, radius:100.00m)
2014-07-03 10:28:48.742 Geofence[486:707] didStartMonitoringForRegion, region: CLCircularRegion (identifier:'2014-07-03 07:28:48 +0000', center:<+31.23925385,+34.78998077>, radius:100.00m)
2014-07-03 10:32:29.427 Geofence[486:707] didExitRegion: CLCircularRegion (identifier:'2014-07-03 07:28:48 +0000', center:<+31.23925385,+34.78998077>, radius:100.00m)
2014-07-03 10:32:29.474 Geofence[486:707] didExitRegion, currentLocation: <+31.24078335,+34.78924175> +/- 65.00m (speed -1.00 mps / course -1.00) @ 7/3/14, 10:32:29 Israel Daylight Time
2014-07-03 10:32:29.477 Geofence[486:707] didExitRegion, distanceBetween: 183.614558
2014-07-03 10:32:29.684 Geofence[486:707] deactiveMonitoring
2014-07-03 10:32:29.710 Geofence[486:707] more then 0 regions
2014-07-03 10:32:29.732 Geofence[486:707] cancel region
2014-07-03 10:32:29.750 Geofence[486:707] didExitRegion, location is valid.
2014-07-03 10:32:29.762 Geofence[486:707] didExitRegion, end of if.
2014-07-03 10:32:29.772 Geofence[486:707] didDetermineState, state: 2, region: CLCircularRegion (identifier:'2014-07-03 07:28:48 +0000', center:<+31.23925385,+34.78998077>, radius:100.00m)
2014-07-03 10:32:29.928 Geofence[486:707] didStartMonitoringForRegion, region: CLCircularRegion (identifier:'2014-07-03 07:32:29 +0000', center:<+31.24078335,+34.78924175>, radius:100.00m)
2014-07-03 10:34:30.808 Geofence[486:707] didEnterRegion, region: CLCircularRegion (identifier:'2014-07-03 07:03:07 +0000', center:<+31.24189568,+34.78870079>, radius:100.00m)
2014-07-03 10:34:30.834 Geofence[486:707] didDetermineState, state: 1, region: CLCircularRegion (identifier:'2014-07-03 07:03:07 +0000', center:<+31.24189568,+34.78870079>, radius:100.00m)
2014-07-03 10:35:11.038 Geofence[486:707] didExitRegion: CLCircularRegion (identifier:'2014-07-03 07:03:07 +0000', center:<+31.24189568,+34.78870079>, radius:100.00m)
2014-07-03 10:35:11.135 Geofence[486:707] didExitRegion, currentLocation: <+31.24338224,+34.78568168> +/- 112.92m (speed -1.00 mps / course -1.00) @ 7/3/14, 10:35:11 Israel Daylight Time
2014-07-03 10:35:11.152 Geofence[486:707] didExitRegion, distanceBetween: 331.485582
2014-07-03 10:35:11.190 Geofence[486:707] deactiveMonitoring
2014-07-03 10:35:11.467 Geofence[486:707] more then 0 regions
2014-07-03 10:35:11.495 Geofence[486:707] cancel region
2014-07-03 10:35:11.544 Geofence[486:707] didExitRegion, location is valid.
2014-07-03 10:35:11.552 Geofence[486:707] didExitRegion, end of if.
2014-07-03 10:35:11.557 Geofence[486:707] didDetermineState, state: 2, region: CLCircularRegion (identifier:'2014-07-03 07:03:07 +0000', center:<+31.24189568,+34.78870079>, radius:100.00m)
2014-07-03 10:35:11.562 Geofence[486:707] didExitRegion: CLCircularRegion (identifier:'2014-07-03 07:32:29 +0000', center:<+31.24078335,+34.78924175>, radius:100.00m)
2014-07-03 10:35:11.684 Geofence[486:707] didExitRegion, currentLocation: <+31.24338224,+34.78568168> +/- 112.92m (speed -1.00 mps / course -1.00) @ 7/3/14, 10:35:11 Israel Daylight Time
2014-07-03 10:35:11.697 Geofence[486:707] didExitRegion, distanceBetween: 445.023446
2014-07-03 10:35:11.916 Geofence[486:707] deactiveMonitoring
2014-07-03 10:35:11.949 Geofence[486:707] more then 0 regions
2014-07-03 10:35:11.996 Geofence[486:707] cancel region
2014-07-03 10:35:12.012 Geofence[486:707] didExitRegion, location is valid.
2014-07-03 10:35:12.031 Geofence[486:707] didExitRegion, end of if.
2014-07-03 10:35:12.082 Geofence[486:707] didDetermineState, state: 2, region: CLCircularRegion (identifier:'2014-07-03 07:32:29 +0000', center:<+31.24078335,+34.78924175>, radius:100.00m)
2014-07-03 10:35:12.140 Geofence[486:707] didStartMonitoringForRegion, region: CLCircularRegion (identifier:'2014-07-03 07:35:11 +0000', center:<+31.24338224,+34.78568168>, radius:100.00m)
2014-07-03 10:35:12.160 Geofence[486:707] didStartMonitoringForRegion, region: CLCircularRegion (identifier:'2014-07-03 07:35:12 +0000', center:<+31.24338224,+34.78568168>, radius:100.00m)
2014-07-03 10:38:49.971 Geofence[486:707] didEnterRegion, region: CLCircularRegion (identifier:'2014-07-03 07:03:07 +0000', center:<+31.24189568,+34.78870079>, radius:100.00m)
2014-07-03 10:38:49.977 Geofence[486:707] didDetermineState, state: 1, region: CLCircularRegion (identifier:'2014-07-03 07:03:07 +0000', center:<+31.24189568,+34.78870079>, radius:100.00m)
2014-07-03 10:38:49.988 Geofence[486:707] didExitRegion: CLCircularRegion (identifier:'2014-07-03 07:35:12 +0000', center:<+31.24338224,+34.78568168>, radius:100.00m)
2014-07-03 10:38:50.040 Geofence[486:707] didExitRegion, currentLocation: <+31.24191178,+34.78860343> +/- 65.00m (speed -1.00 mps / course -1.00) @ 7/3/14, 10:38:50 Israel Daylight Time
2014-07-03 10:38:50.134 Geofence[486:707] didExitRegion, distanceBetween: 322.566301
2014-07-03 10:38:50.432 Geofence[486:707] deactiveMonitoring
2014-07-03 10:38:50.555 Geofence[486:707] more then 0 regions
2014-07-03 10:38:50.571 Geofence[486:707] cancel region
2014-07-03 10:38:50.587 Geofence[486:707] didExitRegion, location is valid.
2014-07-03 10:38:50.661 Geofence[486:707] didExitRegion, end of if.
2014-07-03 10:38:50.667 Geofence[486:707] didDetermineState, state: 2, region: CLCircularRegion (identifier:'2014-07-03 07:35:12 +0000', center:<+31.24338224,+34.78568168>, radius:100.00m)
2014-07-03 10:38:50.734 Geofence[486:707] didStartMonitoringForRegion, region: CLCircularRegion (identifier:'2014-07-03 07:38:50 +0000', center:<+31.24191178,+34.78860343>, radius:100.00m)
问题是：
假设用户关闭设备并在不同区域再次打开，设备不会监控当前位置，为此我假设我需要使用significantLocationChanges。
但是我害怕使用significantLocationChanges会搞砸一些东西。