iOS 7 iBeacon partial example (implementation)

iBeaconSample.m

#import "iBeaconSample.h"

@implementation iBeaconSample

// your other code goes here, maybe...

- (void)initRegion {

  // Set a proximityUUID
  // On a Mac in the Terminal, you can use the uuidgen command to get a UUID
  NSUUID *uuid = [[NSUUID alloc] initWithUUIDString:@"B9A12659-5E36-4B1D-939C-15A413F94FCE"];

  // setup a region for the proximityUUID
  self.beaconRegion = [[CLBeaconRegion alloc] initWithProximityUUID:uuid identifier:@"com.yourcompany.store123"];

  // ask for certain types of notifications
  self.beaconRegion.notifyEntryStateOnDisplay = YES;
  self.beaconRegion.notifyOnEntry = YES;
  self.beaconRegion.notifyOnExit = YES;

  // start watching for beacons
  [self.locationManager startRangingBeaconsInRegion:self.beaconRegion];

}

- (void)locationManager:(CLLocationManager *)manager didEnterRegion:(CLRegion *)region {
  // do something here with your notification
}

- (void)locationManager:(CLLocationManager *)manager didExitRegion:(CLRegion *)region {
  // do something here with your notification
}

-(void)locationManager:(CLLocationManager *)manager didRangeBeacons:(NSArray *)beaconsFound inRegion:(CLBeaconRegion *)region {
  /*
  What the beacons array looks like:
    (
    "CLBeacon (uuid:<__NSConcreteUUID 0x178038e80> B9A12659-5E36-4B1D-939C-15A413F94FCE, major:1255, minor:65, proximity:0 +/- -1.00m, rssi:0)",
    "CLBeacon (uuid:<__NSConcreteUUID 0x178038f80> B9A12659-5E36-4B1D-939C-15A413F94FCE, major:1255, minor:67, proximity:2 +/- 0.84m, rssi:-44)",
    "CLBeacon (uuid:<__NSConcreteUUID 0x1780390c0> B9A12659-5E36-4B1D-939C-15A413F94FCE, major:1255, minor:66, proximity:3 +/- 5.93m, rssi:-57)"
  )
  */
  // Do something useful with the list of beacons
}

@end