//For UIViewController's

- (BOOL)shouldAutorotate {

    return YES;

}

- (NSUInteger)supportedInterfaceOrientations {

    return UIInterfaceOrientationMaskAllButUpsideDown;

}

//For Delegate

- (NSUInteger)application:(UIApplication *)application supportedInterfaceOrientationsForWindow:(UIWindow *)window {

    return UIInterfaceOrientationMaskAllButUpsideDown;

-(NSNumber *)getFileSize:(NSString *)fileName{

    NSError *error = nil;

    NSDictionary *attributes = [[NSFileManager defaultManager]

            attributesOfItemAtPath:fileName error:&error];

    if (!error) {

        NSNumber *size = [attributes objectForKey:NSFileSize];

        return size;

    } else {

        return [NSNumber numberWithFloat:-1];

    }

}

NSArray *arrWithDuplicates = [[NSArray alloc] initWithObjects: @"Bob", @"Bob",@"Olga", @"Olga", @"Robin", nil];

NSArray *cleanedArray = [[NSSet setWithArray:arrWithDuplicates] allObjects];

NSLog(@"%@", [cleanedArray description] );    

for (int i = 1; i < 30; i++) {

    NSDate *newDate = [startDay.date dateByAddingTimeInterval:60*60*24*i];

    MDay *day = [[MDay alloc] init];

    day.date = newDate;

    [list addObject:day];

}

//1. Add UIGestureRecognizerDelegate to your interface:

@interface DocumentViewControler : UIViewController <UIGestureRecognizerDelegate>

//2. Add to viewDidLoad

- (void)viewDidLoad {

    [super viewDidLoad];

    UITapGestureRecognizer* singleTap=[[UITapGestureRecognizer

                                        alloc]initWithTarget:self action:@selector(handleSingleTap:)];

    singleTap.numberOfTouchesRequired=1;

    singleTap.delegate=self;

    [self.webView addGestureRecognizer:singleTap];

    [singleTap release];

}

//3. Add:

-(BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer

shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer

                                                    *)otherGestureRecognizer {

    return YES;

}

//4.

-(void) handleSingleTap:(UITapGestureRecognizer *)recognizer  {

    NSLog(@"handleSingleTap");

    // Your code here

}

@end

BOOL fileExists = [[NSFileManager defaultManager] fileExistsAtPath:imagePath];