View difference between Paste ID: rCg5xUyT and pR9P9W1R

 //
 //  NV_ViewController.m
-//  App_NapVigator
+
 
-//  Created by Javier Rubio on 1/08/14.
+
-//  Copyright (c) 2014 Javier Rubio. All rights reserved.
+
 
 @interface NV_ViewController ()
 
 @end
 
 @implementation NV_ViewController {
     GMSMapView *gmsMapView;
     CLLocationManager *locationManagerMonitor;
 }
 
 - (void)viewDidLoad
 {
     [super viewDidLoad];
     // Do any additional setup after loading the view, typically from a nib.
 
 
     if ([self _checkIfLocationIsEnabled]) {
 
         CLLocation *location = [locationManagerMonitor location];
 
         GMSCameraPosition *camera = [GMSCameraPosition cameraWithLatitude:location.coordinate.latitude longitude:location.coordinate.longitude zoom:1];
 
         gmsMapView = [[GMSMapView alloc] initWithFrame:CGRectZero];
         gmsMapView.delegate = self;
         gmsMapView.myLocationEnabled = YES;
         gmsMapView.settings.myLocationButton = YES;
         self.view = gmsMapView;
 
         [gmsMapView setCamera:camera];
         [gmsMapView animateToCameraPosition:[GMSCameraPosition cameraWithTarget:gmsMapView.camera.target zoom:16]];
 
         NSSet *monitoredRegions = [locationManagerMonitor monitoredRegions];
         if (monitoredRegions) {
             [monitoredRegions enumerateObjectsUsingBlock:^(CLRegion *region, BOOL *stop)
              {
                  NSString *identifier = region.identifier;
                  NSLog(@"%@", identifier);
 
                  [locationManagerMonitor stopMonitoringForRegion:region];
              }];
         }
 
         [locationManagerMonitor startMonitoringSignificantLocationChanges];
     }
 }
 
 - (void)didReceiveMemoryWarning
 {
     [super didReceiveMemoryWarning];
     // Dispose of any resources that can be recreated.
 }
 
 
 
 #pragma mark -
 #pragma mark Custom Methods
 - (BOOL)_checkIfLocationIsEnabled
 {
     if (![CLLocationManager locationServicesEnabled]) {
         [self _showAlertWithMessage:@"location is not enabled"];
         return NO;
     }
 
     locationManagerMonitor = [[CLLocationManager alloc] init];
     [locationManagerMonitor setDelegate:self];
     [locationManagerMonitor setDesiredAccuracy:kCLLocationAccuracyBest];
     [locationManagerMonitor setDistanceFilter:kCLDistanceFilterNone];
 
     return YES;
 }
 
 - (void)_showAlertWithMessage:(NSString *)message
 {
     UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"Alert" message:message delegate:self cancelButtonTitle:nil otherButtonTitles:@"OK", nil];
     [alertView show];
 }
 
 
 //http://hayageek.com/ios-geofencing-api/
 - (NSNumber*)_calculateDistanceInMetersBetweenCoord:(CLLocationCoordinate2D)coord1 coord:(CLLocationCoordinate2D)coord2
 {
     NSInteger nRadius = 6371; // Earth's radius in Kilometers
     double latDiff = (coord2.latitude - coord1.latitude) * (M_PI/180);
     double lonDiff = (coord2.longitude - coord1.longitude) * (M_PI/180);
     double lat1InRadians = coord1.latitude * (M_PI/180);
     double lat2InRadians = coord2.latitude * (M_PI/180);
     double nA = pow ( sin(latDiff/2), 2 ) + cos(lat1InRadians) * cos(lat2InRadians) * pow ( sin(lonDiff/2), 2 );
     double nC = 2 * atan2( sqrt(nA), sqrt( 1 - nA ));
     double nD = nRadius * nC;
     // convert to meters
     return @(nD*1000);
 }
 
 
 
 #pragma mark -
 #pragma mark GMSMapViewDelegates
 - (void)mapView:(GMSMapView *)mapView didLongPressAtCoordinate:(CLLocationCoordinate2D)coordinate
 {
     NSLog(@"add marker");
 
     NSString *identifier = [[NSUUID UUID] UUIDString];
 
     GMSMarker *marker = [[GMSMarker alloc] init];
     [marker setAppearAnimation:kGMSMarkerAnimationPop];
     marker.position = coordinate;
     marker.title = identifier;
     marker.snippet = [[NSString alloc] initWithFormat:@"%f - %f", coordinate.latitude, coordinate.longitude];
     marker.map = gmsMapView;
 
 
     [locationManagerMonitor startUpdatingLocation];
 
     CLCircularRegion *region = [[CLCircularRegion alloc] initWithCenter:coordinate radius:200 identifier:identifier];
     region.notifyOnEntry = YES;
     region.notifyOnExit = YES;
     [locationManagerMonitor startMonitoringForRegion:region];
 
     [locationManagerMonitor stopUpdatingLocation];
 
     GMSCircle *regionCircle = [[GMSCircle alloc] init];
     regionCircle.radius = region.radius;
     regionCircle.position = coordinate;
     regionCircle.fillColor = [UIColor colorWithWhite:0.7 alpha:0.5];
     regionCircle.strokeWidth = 3;
     regionCircle.strokeColor = [UIColor blueColor];
     regionCircle.map = gmsMapView;
 }
 
 - (void)mapView:(GMSMapView *)mapView didTapInfoWindowOfMarker:(GMSMarker *)marker
 {
     CLLocationCoordinate2D userLocation = [[gmsMapView myLocation] coordinate];
 
     NSNumber *distance = [self _calculateDistanceInMetersBetweenCoord:marker.position coord:userLocation];
 
     CLCircularRegion *region = [regions objectAtIndex:0];
     CLLocationCoordinate2D coordinate = [[gmsMapView myLocation] coordinate];
 
     //print distance
     NSLog(@"%@", distance);
 }
 
 - (BOOL)didTapMyLocationButtonForMapView:(GMSMapView *)mapView
 {
     CLLocationCoordinate2D userLocation = [[gmsMapView myLocation] coordinate];
     NSLog(@"Actual %f - %f", userLocation.latitude, userLocation.longitude);
 
     GMSCameraPosition *camera = [GMSCameraPosition cameraWithLatitude:userLocation.latitude longitude:userLocation.longitude zoom:16];
     [gmsMapView setCamera:camera];
 
 
     return YES;
 }
 
 
 
 #pragma mark -
 #pragma mark CLLocationManagerDelegates
 - (void)locationManager:(CLLocationManager *)manager didEnterRegion:(CLRegion *)region
 {
     NSLog(@"enter: %@", region.identifier);
     [self _showAlertWithMessage:@"ENTER !!!"];
 }
 
 - (void)locationManager:(CLLocationManager *)manager didExitRegion:(CLRegion *)region
 {
     NSLog(@"exit: %@", region.identifier);
 }
 
 
 
 @end