Blocks location helper for finding location on an iphone

LocationHelper.h

//
//  LocationHelper.h
//
//  Created by Chris Hulbert on 24/04/12.
//  Modified by Richard Das 15/10/12.
//

#import <Foundation/Foundation.h>
#import <CoreLocation/CoreLocation.h>

#define locationHelperPurpose @"Lovetune would like to know your location to add it to your tweets."

typedef void(^LocationBlock)(CLLocation* location); // Is called with nil on error

@interface LocationHelper : NSObject<CLLocationManagerDelegate>
{
    CLLocation *bestEffortAtLocation;
}

@property (nonatomic, retain) CLLocation *bestEffortAtLocation;

+ (void)getLocation:(LocationBlock)block;

@end