ios9定位服务的app进入后台三分钟收不到经纬度，应用被挂起问题及解决方案

@interface mainViewController()<NoticeCarViewDelegate,UIAlertViewDelegate,ServicingViewDelegate,MAMapViewDelegate,AMapSearchDelegate,UIActionSheetDelegate,PlaceSearchDeleagte,CLLocationManagerDelegate>
{

    CLLocationManager *_locationManager;
}

- (void)initAMapProperty
{
    FLDDLogDebug(@"函数");
    _locationManager = [[CLLocationManager alloc] init];
    _locationManager.delegate = self;

    _locationManager.pausesLocationUpdatesAutomatically = NO;
    if (IOS_VERSION_LARGE_OR_EQUAL(9.0))
    {
        _locationManager.allowsBackgroundLocationUpdates = YES;
    }

    if (![CLLocationManager locationServicesEnabled]) {
        NSLog(@"定位服务当前可能尚未打开，请设置打开！");
        return;
    }

    //如果没有授权则请求用户授权
    if ([CLLocationManager authorizationStatus] == kCLAuthorizationStatusNotDetermined)
    {
        [_locationManager requestAlwaysAuthorization];
    }
    else if([CLLocationManager authorizationStatus] == kCLAuthorizationStatusAuthorizedAlways)
    {
        //设置代理
//        _locationManager.delegate = self;
        //设置定位精度
        _locationManager.desiredAccuracy = kCLLocationAccuracyBest;
        //定位频率,每隔多少米定位一次
        CLLocationDistance distance = 10.0;//十米定位一次
        _locationManager.distanceFilter = distance;
        //启动跟踪定位
        [_locationManager startUpdatingLocation];
        FLDDLogDebug(@"开启定位");
    }

//    //定位
//    _mapView.showsUserLocation = YES;
    //地图跟着位置和方向移动
    [_mapView setUserTrackingMode:MAUserTrackingModeFollow  animated:YES];

    _mapView.showsCompass = NO;
    //楼块隐藏
    _mapView.buildingsDisabled=YES;
//    //后台定位 可持久记录位置信息。高德地图iOS SDK V2.5.0版本提供后台持续定位的能力，即便你的app退到后台，且位置不变动时，也不会被系统挂起，可持久记录位置信息。该功能适用于记轨迹录或者出行类App司机端。
//    if (IOS_VERSION_LARGE_OR_EQUAL(9)) {
//        _mapView.allowsBackgroundLocationUpdates = YES;
//    }
//    else
    {
        //由于IOS9中定位的授权机制改变 需要进行手动授权
        _mapView.pausesLocationUpdatesAutomatically = NO;
    }

    //不能旋转
    _mapView.rotateEnabled=NO;
    _mapView.distanceFilter = DISTANCE_FILTER;
//    _mapView.desiredAccuracy = kCLLocationAccuracyHundredMeters;
    //    mapView.showsScale = YES;
    //    [mapView setZoomLevel:KmaxLEVEL animated:NO];
    //自定义精度圈样式 去除精度圈
    _mapView.delegate = self;

    //纪录经纬度的数组
//    coordates = [[NSMutableArray alloc] init];

}



#pragma mark 定位回调 能获取到定位点的经纬度坐标
- (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray<CLLocation *> *)locations
{
    [locations enumerateObjectsUsingBlock:^(CLLocation * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
        FLDDLogDebug(@"obj.coordinate = %.f \n %.f",obj.coordinate.latitude,obj.coordinate.longitude);
    }];
    FLDDLogDebug(@"");
}