iBeaconのセントル側のサンプルコード

ViewController.h

//
//  ViewController.h
//  iBeaconTester
//
//  Created by Kashima Takumi on 2013/12/14.
//  Copyright (c) 2013年 UNUUU FOUNDATION. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface ViewController : UIViewController

@end

ViewController.m

//
//  ViewController.m
//  iBeaconTester
//
//  Created by Kashima Takumi on 2013/12/14.
//  Copyright (c) 2013年 UNUUU FOUNDATION. All rights reserved.
//

#import "ViewController.h"
#import <CoreLocation/CoreLocation.h>

#define ROOMID 14852875
#define ACCOUNTID 652829

@interface ViewController () <CLLocationManagerDelegate>

@property (nonatomic) CLLocationManager *locationManager;
@property (nonatomic) NSUUID *proximityUUID;
@property (nonatomic) CLBeaconRegion *beaconRegion;

@end

@implementation ViewController

- (void)viewDidLoad
{
    [super viewDidLoad];
	// Do any additional setup after loading the view, typically from a nib.
    

    if ([CLLocationManager isMonitoringAvailableForClass:[CLBeaconRegion class]]) {
        self.locationManager = [CLLocationManager new];
        self.locationManager.delegate = self;
        
        // 観測点のUUIDを生成
        self.proximityUUID = [[NSUUID alloc] initWithUUIDString:@"42EAC82B-80B0-427B-922B-26D32033C356"];
        
        // UUIDとRegionIDを渡すことで観測点を一意に特定する
        self.beaconRegion = [[CLBeaconRegion alloc] initWithProximityUUID:self.proximityUUID identifier:@"com.unuuu.ibeacon_1"];
        
        // Beaconによる領域観測を開始
        [self.locationManager startMonitoringForRegion:self.beaconRegion];
        
    }
}

- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

#pragma mark - CLLocationManagerDelegate methods

- (void)locationManager:(CLLocationManager *)manager didStartMonitoringForRegion:(CLRegion *)region
{
    [self sendLocalNotificationForMessage:@"Start Monitoring Region"];

//    [self.locationManager requestStateForRegion:self.beaconRegion];
}

- (void)locationManager:(CLLocationManager *)manager didDetermineState:(CLRegionState)state forRegion:(CLRegion *)region
{
    switch (state) {
        // 既にリージョンの中にいる時
        case CLRegionStateInside:
            if ([region isMemberOfClass:[CLBeaconRegion class]] && [CLLocationManager isRangingAvailable]) {
                [self.locationManager startRangingBeaconsInRegion:(CLBeaconRegion *)region];
//                [self locationManager:manager didEnterRegion:region];
            }
            break;
        case CLRegionStateOutside:
        case CLRegionStateUnknown:
        default:
            break;
    }
}

- (void)locationManager:(CLLocationManager *)manager didEnterRegion:(CLRegion *)region
{
    [self sendLocalNotificationForMessage:@"Enter Region"];
    
    if ([region isMemberOfClass:[CLBeaconRegion class]] && [CLLocationManager isRangingAvailable]) {
        [self.locationManager startRangingBeaconsInRegion:(CLBeaconRegion *)region];
    }
}

- (void)locationManager:(CLLocationManager *)manager didExitRegion:(CLRegion *)region
{
    [self sendLocalNotificationForMessage:@"Exit Region"];
    
    if ([region isMemberOfClass:[CLBeaconRegion class]] && [CLLocationManager isRangingAvailable]) {
        [self.locationManager stopRangingBeaconsInRegion:(CLBeaconRegion *)region];
    }
    
    // モニタリングが終了しているので再度モニタリングを開始する
    if ([CLLocationManager isMonitoringAvailableForClass:[CLBeaconRegion class]]) {
        // Beaconによる領域観測を開始
        [self.locationManager startMonitoringForRegion:self.beaconRegion];
    }
}

- (void)locationManager:(CLLocationManager *)manager didRangeBeacons:(NSArray *)beacons inRegion:(CLBeaconRegion *)region
{
    if (beacons.count > 0) {
        CLBeacon *nearestBeacon = beacons.firstObject;
        
        NSString *rangeMessage;
        
        switch (nearestBeacon.proximity) {
            case CLProximityImmediate:
                rangeMessage = @"Range Immediate: ";
                break;
            case CLProximityNear:
                rangeMessage = @"Range Near: ";
                break;
            case CLProximityFar:
                rangeMessage = @"Range Far: ";
                break;
            default:
                rangeMessage = @"Range Unknown: ";
                break;
        }
        
        if (nearestBeacon.proximity == CLProximityUnknown) {
            [self locationManager:manager didExitRegion:region];
            return;
        }
        
//        NSString *message = [NSString stringWithFormat:@"major:%@, minor:%@, accuracy:%f, rssi:%d",
//                             nearestBeacon.major, nearestBeacon.minor, nearestBeacon.accuracy, nearestBeacon.rssi];
//        [self sendLocalNotificationForMessage:[rangeMessage stringByAppendingString:message]];
    }
}

- (void)locationManager:(CLLocationManager *)manager monitoringDidFailForRegion:(CLRegion *)region withError:(NSError *)error
{
    [self sendLocalNotificationForMessage:@"Exit Region"];
}

#pragma mark - Private methods

- (void)sendLocalNotificationForMessage:(NSString *)message
{
    UILocalNotification *localNotification = [UILocalNotification new];
    localNotification.alertBody = message;
    localNotification.fireDate = [NSDate date];
    localNotification.soundName = UILocalNotificationDefaultSoundName;
    [[UIApplication sharedApplication] scheduleLocalNotification:localNotification];
}

@end