Two CLLocationManager interfere - ios

Question

I have two CLLocationManage within an app. The first one is to monitor the beacon regions , while the other is to monitor the normal CLRegion.
First one in A.m
// Do any additional setup after loading the view.
self.locationManager = [[CLLocationManager alloc] init];
self.locationManager.delegate = self;
Second one in B.m
gpsLocationManager = [[CLLocationManager alloc] init];
gpsLocationManager.delegate = self;
I am pretty much sure for the latter, I have not called any startMonitoringForRegion on any beacon region. However, it seems the gpsLocationmanager in B keeps receiving the enterRegion callback from the the one in A. So it ends up with my checking the passed-in region para type to make the gpsLocationManager not respond to any callback from beacon region enter.
- (void)locationManager:(CLLocationManager *)manager didEnterRegion:(CLRegion *)region
{
NSLog(#"%d regions under monitor:", self.gpsLocationManager.monitoredRegions.count);
NSLog(#"%d regions in regionArray:", self.regionArray.count);
NSLog(#"Region type %#:", [region class]);
if(![region isKindOfClass:[CLBeaconRegion class]]){
Any idea?
Regards
Hammer

Answer 1

CoreLocation functionality is provided on an app-wide basis.
This is why the common pattern is to initialize your CLLocationManager in your AppDelegate and make it the CLLocationManagerDelegate.
If you need to access your one CLLocationManager in multiple UIViewControllers, I would make it a property of your AppDelegate. You can then forward the callbacks you need to the UIViewControllers if they have been initialized and are visible.

Answer 2

I faced the Same Issue when i created 2 Classes (1 for Geo Fencing(CLRegion or CLCircularRegions) and 2 for Beacon REgions(CLBeaconRegions).Both are singleton Classes with property Called lManager(CLLocationManager).
initially I tried with this Conditional Check
if (manager == self.gpsLocationManager) {
// Do things
}
as Wilmar said. Its not working..
after deep investigation on Region Classes, i Used below condition to variate the regions .
EX :
func locationManager(manager: CLLocationManager!, didStartMonitoringForRegion region: CLCircularRegion!) {
if(region.isMemberOfClass(CLCircularRegion)){
// Do things. here
}
}
Its working for me.
Cheers :p

Answer 3

In your A.m and B.m you can check if the locationManager that is responding is the locationManager you are interested in, and react accordingly. I would however try and stick to a single locationManager as mentioned by davidgyoung.
- (void)locationManager:(CLLocationManager *)manager didEnterRegion:(CLRegion *)region
{
if (manager == self.gpsLocationManager) {
// do things
}
else {
// this is another location manager which I am not interested in
}
}