ConfigViewController.m

//
//  ConfigViewController.m
//  beacon
//
//  Created by Paul Wilkinson on 1/5/20.
//  Copyright © 2020 Paul Wilkinson. All rights reserved.
//

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

#import <CoreBluetooth/CoreBluetooth.h>

@interface ConfigViewController()

@end

@implementation ConfigViewController

- (void)viewDidLoad
{
    
    [super viewDidLoad];
    
    // Do any additional setup after loading the view.
    
    [self initBeacon];
    
    [self setLabels];
    
}

- (void)initBeacon {
    
    NSUUID *uuid = [[NSUUID alloc] initWithUUIDString:@"EC1309B2-9736-40FF-B255-7EE047F2166B"];
    
    self.beaconRegion = [[CLBeaconRegion alloc] initWithUUID:uuid major:1 minor:1 identifier:@"com.devfright.myRegion"];
    
    self.beaconPeripheralData =[self.beaconRegion peripheralDataWithMeasuredPower:nil];
    
    self.peripheralManager =[[CBPeripheralManager alloc] initWithDelegate:self queue:nil options:nil];
    
}

- (void)setLabels {
    
    self.uuidLabel.text = self.beaconRegion.UUID.UUIDString;
    
    self.majorLabel.text = [NSString stringWithFormat:@"%@", self.beaconRegion.major];
    
    self.minorLabel.text = [NSString stringWithFormat:@"%@", self.beaconRegion.minor];
    
    self.identityLabel.text = self.beaconRegion.identifier;
    
}

- (IBAction)transmitBeacon:(UIButton *)sender {
    
    [self.peripheralManager startAdvertising:self.beaconPeripheralData];
    
}

-(void) peripheralManagerDidUpdateState:
(CBPeripheralManager *)peripheral {
    
    NSLog(@"peripheralManagerDidUpdateState:");
    
    switch (peripheral.state) {
            
        case CBManagerStatePoweredOff:
            
            NSLog(@"CBManagerStatePoweredOff");
            
            break;
            
        case CBManagerStateResetting:
            
            NSLog(@"CBManagerStateResetting");
            
            break;
            
        case CBManagerStatePoweredOn:
            
            NSLog(@"CBManagerStatePoweredOn");
            
            //---start advertising the beacon data---
            
            
            break;
            
        case CBManagerStateUnauthorized:
            
            NSLog(@"CBManagerStateUnauthorized");
            
            break;
            
        case CBManagerStateUnsupported:
            
            NSLog(@"CBManagerStateUnsupported");
            
            break;
            
        default:
            
            NSLog(@"CBPeripheralStateUnknown");
            
            break;
            
    }
    
}


@end

TrackViewController.m

//
//  TrackViewController.m
//  beacon
//
//  Created by Paul Wilkinson on 1/5/20.
//  Copyright © 2020 Paul Wilkinson. All rights reserved.
//

#import "TrackViewController.h"

@interface TrackViewController ()

@end

@implementation TrackViewController

- (void)viewDidLoad
{
    
    [super viewDidLoad];
    
    // Do any additional setup after loading the view.
    
    self.locationManager = [[CLLocationManager alloc] init];
    
    self.locationManager.delegate = self;
    
    //---create a NSUUID object---
    
    NSUUID *proximityUUID =[[NSUUID alloc] initWithUUIDString:@"EC1309B2-9736-40FF-B255-7EE047F2166B"];
    
    self.beaconRegion =[[CLBeaconRegion alloc]initWithUUID:proximityUUID
                                                identifier:@"net.learn2develop.myRegion"];
    
    //---start monitoring a region---
    
    [self.locationManager requestAlwaysAuthorization];
    
    [self.locationManager startMonitoringForRegion:self.beaconRegion];
    
}

- (void)locationManager:(CLLocationManager *)manager didEnterRegion:(CLRegion *)region {
    
    //---start ranging for iBeacons---
    
    [self.locationManager startRangingBeaconsInRegion:self.beaconRegion];
    
     self.beaconFoundLabel.text = @"Entered region";
    
  //  UILocalNotification *localNotification =[[UILocalNotification alloc] init];
    
    //---the message to display for the alert---
    
   // localNotification.alertBody =@"You have entered the region you are monitoring";
    
    //---uses the default sound---
    
   // localNotification.soundName =UILocalNotificationDefaultSoundName;
    
    //---title for the button to display---
    
    //localNotification.alertAction = @"Details";
    
    //---schedule the notification---
    
   // [[UIApplication sharedApplication]presentLocalNotificationNow:localNotification];
    
}

-(void)locationManager:(CLLocationManager *)manager
         didExitRegion:(CLRegion *)region {
    
    //---stop ranging for iBeacons---
     self.beaconFoundLabel.text = @"Exit region";
    
    [self.locationManager stopRangingBeaconsInRegion:self.beaconRegion];
    
}

//---when iBeacons are found---

-(void)locationManager:(CLLocationManager *)manager
       didRangeBeacons:(NSArray *)beacons
              inRegion:(CLBeaconRegion *)region {

    
     CLBeacon *beacon = [beacons lastObject];
    
    self.beaconFoundLabel.text = @"Yes";
    
    self.proximityUUIDLabel.text = beacon.UUID.UUIDString;
    
    self.majorLabel.text =[NSString stringWithFormat:@"%@", beacon.major];
    
    self.minorLabel.text =
    
    [NSString stringWithFormat:@"%@", beacon.minor];
    
    self.accuracyLabel.text =[NSString stringWithFormat:@"%f meters", beacon.accuracy];
    
    switch (beacon.proximity) {
            
        case CLProximityUnknown:
            
            self.distanceLabel.text = @"Unknown Proximity";
            
            break;
            
        case CLProximityImmediate:
            
            self.distanceLabel.text = @"Immediate";
            
            break;
            
        case CLProximityNear:
            
            self.distanceLabel.text = @"Near";
            
            break;
            
        case CLProximityFar:
            
            self.distanceLabel.text = @"Far";
            
            break;
            
    }
    
    self.rssiLabel.text =[NSString stringWithFormat:@"%li decibels",
                          (long)beacon.rssi];
    
}

@end