Geofencing in iOS

A geofence is a virtual perimeter around a location of interest and, using the Core Location framework, developers can utilize geofences to offer a new range of location-aware features in their apps.

In this session we will learn the basic concepts behind geofencing, consider the design and architectural implications of using geofencing and show how to integrate the feature into your iOS apps.

Transcript

1. Geofencing in iOS Kevin McMahon That Conference August 13, 2012
2. @klmcmahon http://about.me/kevinmcmahon
3. @redpointtech http://redpointtech.com Hiring: iOS, Android, .Net, Java
4. tl;dr
5. GEOFENCING
6. GEOFENCING?
8. Great! Let’s see it.
10. OK. How did you do it?
11. The Demo Code http://git.io/ThatConf
12. Step 1. Setup the map. $ git checkout step1
13. Step 2. Initialize Core Location Manager $ git checkout step2
14. Core Location
16. Location Information Heading Information Geocoding Region Monitoring
17. Location Information Heading Information Geocoding Region Monitoring
18. Location Information Heading Information Geocoding Region Monitoring
19. Location Information Heading Information Geocoding Region Monitoring
20. Standard
21. @property CLLocationAccuracy desiredAccuracy; @property CLLocationDistance distanceFilter; - (void)startUpdatingLocation; - (void)stopUpdatingLocation; - (void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation;
22. kCLLocationAccuracyBestForNavigation; kCLLocationAccuracyBest; kCLLocationAccuracyNearestTenMeters; kCLLocationAccuracyHundredMeters; kCLLocationAccuracyKilometer; kCLLocationAccuracyThreeKilometers;
23. typedef { CLLocationDegrees latitude; // a double CLLocationDegrees longitude; // a double } CLLocationCoordinate2D; @properties CLLocationCoordinate2D coordinate; @property (readonly) CLLocationDistance altitude; @property (readonly) CLLocationAccuracy horizontalAccuracy; @property (readonly) CLLocationAccuracy verticalAccuracy; @property (readonly) CLLocationSpeed speed; // in meters/second @property (readonly) CLLocationDirection course; @property (readonly) NSDate *timestamp; - (CLLocationDistance)distanceFromLocation:(CLLocation *)otherLocation;
24. Step 3. Handle Location Change Updates $ git checkout step3
25. Location Services
26. Foreground-only Background Significant-change
27. Step 4. Register Regions to Monitor $ git checkout step4
28. Region Monitoring
30. @property (readonly) NSSet *monitoredRegions; - (void)startMonitoringForRegion:(CLRegion *); - (void)startMonitoringForRegion:(CLRegion *) desiredAccuracy:(CLLocationAccuracy); - (void)stopMonitoringForRegion:(CLRegion *); // Delegate Methods - (void)locationManager:(CLLocationManager *)manager didEnterRegion:(CLRegion *)region; - (void)locationManager:(CLLocationManager *)manager didExitRegion:(CLRegion *)region; - (void)locationManager:(CLLocationManager *)manager monitoringDidFailForRegion:(CLRegion *)region withError:(NSError *)error;
31. Significant Change
33. Step 5. Getting More Info From Location Manager $ git checkout step5
34. typedef enum { kCLErrorLocationUnknown = 0, kCLErrorDenied, kCLErrorNetwork, kCLErrorHeadingFailure, kCLErrorRegionMonitoringDenied, kCLErrorRegionMonitoringFailure, kCLErrorRegionMonitoringSetupDelayed } CLError; Core Location Errors
35. Considerations
37. Positioning Methods
40. Users
41. Devices
42. Use Cases
43. Questions?
44. THANKS! @klmcmahon http://about.me/kevinmcmahon http://git.io/ThatConf
45. • http://en.wikipedia.org/wiki/ File:Gps_tracking_geofence.png • http://www.websequencediagrams.com/ CREDITS