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Get the distance from the user's location to the venue

/ Published in: Objective C
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This is the code i wrote for clubplanet to get the distance from the user's location to the venues.

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  1. //Get the distance from the user's location to the venue
  2. 		CLLocation *userLoc = [[CLLocation alloc] initWithLatitude:userLocation.latitude longitude:userLocation.longitude];
  3.  
  4. 		CLLocationCoordinate2D venueCoord = [self addressLocation:venueAddress];
  5. 		CLLocation *venueLoc = [[CLLocation alloc] initWithLatitude:venueCoord.latitude longitude:venueCoord.longitude];
  6.  
  7. 		double dist = [userLoc getDistanceFrom:venueLoc] / 1609.344;
  8.  
  9. 		//NSLog(@"%.2f miles", dist);
  10.  
  11. 		lblapproxdistance.text = [NSString stringWithFormat:@"%.1f miles",dist];
  12.  
  13.  
  14.  
  15.  
  16.  
  17. #pragma mark addressLocation
  18.  
  19. //method to convert address to longitude and latitude
  20. -(CLLocationCoordinate2D) addressLocation:(NSString *)address {
  21.     NSString *urlString = [NSString stringWithFormat:@"http://maps.google.com/maps/geo?q=%@&output=csv&key=ABQIAAAA-d08Ko4-kHQWa1zY6Y4n2BQJqvlAqZSQuvHwEwe-mLrrdxxNhxRp0156iscZ4xaIZTeX_4YwLHlJEA", 
  22. 						   [address stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
  23.     NSString *locationString = [NSString stringWithContentsOfURL:[NSURL URLWithString:urlString]];
  24.     NSArray *listItems = [locationString componentsSeparatedByString:@","];
  25.  
  26.     double _latitude = 0.0;
  27.     double _longitude = 0.0;
  28.  
  29.     if([listItems count] >= 4 && [[listItems objectAtIndex:0] isEqualToString:@"200"]) {
  30.         _latitude = [[listItems objectAtIndex:2] doubleValue];
  31.         _longitude = [[listItems objectAtIndex:3] doubleValue];
  32.     }
  33.     else {
  34. 		//Show error
  35.     }
  36.     CLLocationCoordinate2D _location;
  37.     _location.latitude = _latitude;
  38.     _location.longitude = _longitude;
  39.  
  40. 	//NSLog(@"%f - %f", latitude, longitude);
  41.  
  42.     return _location;
  43. }

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