ContextHub Element Services Geofence Create Gist

element-services-geofences-create.mm

// Creating a geofence with name "Geofence", tag "geofence-tag", radius 250 meters
NSString *name = @"Geofence";
CLLocationDegrees lat = 29.763638f;
CLLocationDegrees lng = -95.461874f;
CLLocationCoordinate2D center = CLLocationCoordinate2DMake(lat, lng);
CLLLocationDistance radius = 250.0f; // in meters
NSString *geofenceTag = @"geofence-tag";
[[CCHGeofenceService sharedInstance] createGeofenceWithCenter:center radius:radius tags:@[geofenceTag] competionHandler:^(NSDictionary *geofence, NSError *error) {
 
  if (!error) {
    // Standard CLCircularRegion class
    CLCircularRegion *createdGeofence = [CCHGeofenceService regionForGeofence:geofence];
    
    // If you do not have push properly set up, you need to explicitly call synchronize on CCHSensorPipeline so it will generate events if it applies to this device
    [[CCHSensorPipeline sharedInstance] synchronize:^(NSError *error) {
                    
        if (!error) {
            NSLog(@"Successfully synchronized with ContextHub");
        } else {
            NSLog(@"Could not synchronize withContextHub");
        }
    }];
 
    // The geofence dictionary also contains useful information like the id and tags of the geofences stored in ContextHub
    // It is recommended you make a custom class that wraps that information to make it easier to access
    // The Geofence sample app creates the GFGeofence class and can act as a model for your own classes
  } else {
    NSLog(@"Could not create geofence %@ on ContextHub", name);
  }
}];