在ios后台向服务器发送20米差异后的位置 -（BOOL）应用程序：（UIApplication*）应用程序使用选项完成启动：（NSDictionary*）启动选项{ if（[launchOptions objectForKey:UIApplication

在ios后台向服务器发送20米差异后的位置

-（BOOL）应用程序：（UIApplication*）应用程序使用选项完成启动：（NSDictionary*）启动选项{
if（[launchOptions objectForKey:UIApplicationLaunchActionSlocationKey]）{
self.locationManager=[[CLLocationManager alloc]init]；
self.locationManager.delegate=self；
self.locationManager.desiredAccuracy=KCallocationAccuracyBest；
self.locationManager.activityType=CLActivityTypeFitness；
//新事件的移动阈值。
self.locationManager.distanceFilter=20；
if（[self.locationManager respondsToSelector:@selector（requestWhenInUseAuthorization）]）{
//[self.locationManager在未使用授权时请求]；
[self.locationManager请求始终授权]；
}
[self.locationManager startUpdatingLocation]；
[self.locationManager启动监视重要位置更改]；
}
返回YES；
}
-（无效）应用程序标识符背景：（UIApplication*）应用程序{
_isBackGround=是；
[self.locationManager停止监视重要的位置更改]；
[self.locationManager请求始终授权]；
[self.locationManager启动监视重要位置更改]；
}
-（无效）应用IDBECOMEACTIVE:（UIApplication*）应用{
_isBackGround=NO；
[self.locationManager停止监视重要的位置更改]；
self.locationManager=[[CLLocationManager alloc]init]；
self.locationManager.delegate=self；
self.locationManager.desiredAccuracy=KCallocationAccuracyBest；
self.locationManager.activityType=CLActivityTypeFitness；
//新事件的移动阈值。
self.locationManager.distanceFilter=20；
if（[self.locationManager respondsToSelector:@selector（requestWhenInUseAuthorization）]）{
//[self.locationManager在未使用授权时请求]；
[self.locationManager请求始终授权]；
}
[self.locationManager startUpdatingLocation]；
[self.locationManager启动监视重要位置更改]；
}
-（无效）sendBackgroundLocationToServer
{
if（[[AppHelper nullCheck:[AppHelper userDefaultsForKey:USER_ID]]length]>0）{
NSString*query=[NSString stringWithFormat:@“localUpdate=='YES'”；
NSArray*arrData=[self-searchObjectsForEntity:@“UserLocation”，带谓词：[NSPredicate predicateWithFormat:query]和sortKey:nil和sortScending:NO]；
if（arrData.count）{
[self-sendUpdateUserLocation:arrData]；
}
}
}
-（void）locationManager:（CLLocationManager*）manager didUpdateToLocation:（CLLocation*）newLocation fromLocation:（CLLocation*）oldLocation{
NSDate*eventDate=newLocation.timestamp；
NSTimeInterval howRecent=[eventDate timeIntervalSinceNow]；
CLLocationDistance距离=[newLocation distanceFromLocation:oldLocation]；
NSLog（@“%f”，dist）；
if（[[AppHelper nullCheck:[AppHelper userDefaultsForKey:K_LATITUDE]]长度]您请求始终使用位置服务，但您是否在
.plist
中提供了使用位置服务的原因？是的，位置服务始终是，我已添加。plist nslocationalways usagedescription nslocationwhen niusagedescription，并且我已检查后台模式功能位置更新后台F蚀刻远程通知，我还查看了一件事，数据在本地数据库中。只有数据在5分钟后不会发送到服务器上。请给出任何想法，并说明：我已经检查过了，但它不起作用。您一直要求使用定位服务，但您是否在
.plist
中提供了使用它的原因？是的位置服务总是，我已经添加了。plist NSLocationAlwaysUsageDescription nsLocationWhenUsageDescription，而且我已经检查了后台模式功能位置更新后台获取远程通知，而且我已经查看了本地数据库中的一件事数据。之后，只有数据不会发送到服务器上5分钟。请尽快给出任何想法。另外：我已经检查过了，但它不起作用。
 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

if ([launchOptions objectForKey:UIApplicationLaunchOptionsLocationKey]) {
    self.locationManager   = [[CLLocationManager alloc] init];
    self.locationManager.delegate  = self;
    self.locationManager.desiredAccuracy = kCLLocationAccuracyBest;
    self.locationManager.activityType = CLActivityTypeFitness;
    // Movement threshold for new events.
    self.locationManager.distanceFilter = 20;

    if ([self.locationManager respondsToSelector:@selector(requestWhenInUseAuthorization)]) {
        //  [self.locationManager requestWhenInUseAuthorization];
        [self.locationManager requestAlwaysAuthorization];
    }

    [self.locationManager startUpdatingLocation];
    [self.locationManager startMonitoringSignificantLocationChanges];

}

return YES;

}
- (void)applicationDidEnterBackground:(UIApplication *)application {
_isBackGround=YES;

[self.locationManager stopMonitoringSignificantLocationChanges];
  [self.locationManager requestAlwaysAuthorization];
 [self.locationManager startMonitoringSignificantLocationChanges];

}
    - (void)applicationDidBecomeActive:(UIApplication *)application {
_isBackGround=NO;    
[self.locationManager stopMonitoringSignificantLocationChanges];
self.locationManager   = [[CLLocationManager alloc] init];
self.locationManager.delegate  = self;
self.locationManager.desiredAccuracy = kCLLocationAccuracyBest;
self.locationManager.activityType = CLActivityTypeFitness;
// Movement threshold for new events.
self.locationManager.distanceFilter = 20;

if ([self.locationManager respondsToSelector:@selector(requestWhenInUseAuthorization)]) {
    //  [self.locationManager requestWhenInUseAuthorization];
    [self.locationManager requestAlwaysAuthorization];
}

[self.locationManager startUpdatingLocation];
[self.locationManager startMonitoringSignificantLocationChanges];
}

   -(void) sendBackgroundLocationToServer
{
    if([[AppHelper nullCheck:[AppHelper userDefaultsForKey:USER_ID]]     length]>0){
   NSString * query = [NSString stringWithFormat:@"localUpdate=='YES'"];
   NSArray* arrData=[self searchObjectsForEntity:@"UserLocation" withPredicate:[NSPredicate predicateWithFormat:query] andSortKey:nil andSortAscending:NO];
  if(arrData.count){
            [self sendUpdateUserLocation:arrData];
     }
}

}
 - (void) locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation {
NSDate *eventDate = newLocation.timestamp;

NSTimeInterval howRecent = [eventDate timeIntervalSinceNow];
CLLocationDistance dist=[newLocation distanceFromLocation:oldLocation];
NSLog(@"%f",dist);

if ([[AppHelper nullCheck:[AppHelper userDefaultsForKey:K_LATITUDE]] length] <3) {
    [AppHelper saveToUserDefaults:[NSString stringWithFormat:@"%f",newLocation.coordinate.latitude] withKey:K_LATITUDE];
    [AppHelper saveToUserDefaults:[NSString stringWithFormat:@"%f",newLocation.coordinate.longitude] withKey:K_LONGITUDE];
     [[Service sharedEventController]parseUserLocationeList:[NSString stringWithFormat:@"%f",newLocation.coordinate.latitude] andLong:[NSString stringWithFormat:@"%f",newLocation.coordinate.longitude]];
}

BOOL isInBackground = NO;
if ([UIApplication sharedApplication].applicationState == UIApplicationStateBackground)
{
    isInBackground = YES;
}


    [AppHelper saveToUserDefaults:[NSString stringWithFormat:@"%f",newLocation.coordinate.latitude] withKey:K_LATITUDE];
    [AppHelper saveToUserDefaults:[NSString stringWithFormat:@"%f",newLocation.coordinate.longitude] withKey:K_LONGITUDE];

    [[Service sharedEventController]parseUserLocationeList:[NSString stringWithFormat:@"%f",newLocation.coordinate.latitude] andLong:[NSString stringWithFormat:@"%f",newLocation.coordinate.longitude]];
    [self sendBackgroundLocationToServer];

}






-(void)sendUpdateUserLocation:(NSArray*)ArrData{

if([AppHelper appDelegate].checkNetworkReachability)
{

self.bgTask = [[UIApplication sharedApplication]
          beginBackgroundTaskWithExpirationHandler:^{
               [[UIApplication sharedApplication] endBackgroundTask:self.bgTask];
               }];

NSMutableArray *arr=[NSMutableArray new];
    for(UserLocation *loc in ArrData){
        NSMutableDictionary *parameters= [NSMutableDictionary new];
        parameters[@"lat"]=loc.lat;
        parameters[@"long"]=loc.longT;
        [arr addObject:parameters];
    }
NSMutableDictionary *parameters =[NSMutableDictionary new];
parameters[@"uid"]=[AppHelper userDefaultsForKey:USER_ID];
 parameters[@"data"]=arr;

NSString *baseURL = [NSString stringWithFormat:@"%@%@",BaseUrl,UPDATE_LOCATION];
    if (self.bgTask != UIBackgroundTaskInvalid)
    {
        [[UIApplication sharedApplication] endBackgroundTask:self.bgTask];
        self.bgTask = UIBackgroundTaskInvalid;
    }

   AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
manager.requestSerializer = [AFJSONRequestSerializer serializer];
manager.responseSerializer = [AFJSONResponseSerializer serializerWithReadingOptions:NSJSONReadingAllowFragments];
[manager POST:baseURL parameters:parameters success:^(AFHTTPRequestOperation *operation, id responseObject) {
    [[AppHelper sharedInstance]hideIndicator];
    for (NSManagedObject *manObj in ArrData) {
        [self.managedObjectContext deleteObject:manObj];
        // NSLog(@"delete objects for predicate %@", predicate);
    }
     [self saveContext];
      NSLog(@"JSON: %@", responseObject);
    if (self.bgTask != UIBackgroundTaskInvalid)
    {
        [[UIApplication sharedApplication] endBackgroundTask:self.bgTask];
         self.bgTask = UIBackgroundTaskInvalid;
    }

} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
    [[AppHelper sharedInstance]hideIndicator];
    if (self.bgTask != UIBackgroundTaskInvalid)
    {
        [[UIApplication sharedApplication] endBackgroundTask:self.bgTask];
        self.bgTask = UIBackgroundTaskInvalid;
    }
}];

}
 }