code comparison

//
//  CalendarViewController.m
//  Радио СВЕТ
//
//  Created by Bogdan Michalchuk on 10/24/14.
//  Copyright (c) 2014 Радио CBET. All rights reserved.
//

#import "CalendarViewController.h"


@interface CalendarViewController ()
@property (copy, nonatomic) UIImage *image;
@property (weak, nonatomic) IBOutlet UIButton *backButton;

@end

@implementation CalendarViewController {}

@synthesize scheduleImage;

- (BOOL)prefersStatusBarHidden {
    return YES;
}

- (void)viewDidLoad {
    [super viewDidLoad];
//    [self displayImage];
    [self addScrollView];
    [self.view bringSubviewToFront:_backButton];
//    UIImage *background = [UIImage imageNamed: @"grey.png"];
//    UIImageView *imageView = [[UIImageView alloc] initWithImage: background];

//    [self.view sendSubviewToBack:imageView];

}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

/*
#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
}
*/
/*
#pragma mark Image
- (void)displayImage {
    NSString *imagePath;
    NSArray *dirPaths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *documentDirectoryPath = dirPaths[0];
    NSString *calendarDir = [documentDirectoryPath stringByAppendingString:[NSString stringWithFormat:@"/CalendarFolder/"]];
    NSArray *list = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:calendarDir error:nil];
    for (NSString* file in list) {
        if ([[file pathExtension] isEqualToString: @"png"]) {
//            [[NSFileManager defaultManager] copyItemAtPath:file toPath:calendarDir error:nil];
            imagePath = [calendarDir stringByAppendingPathComponent:file];
        }
    }
    UIImage *image = [[UIImage alloc] initWithContentsOfFile:imagePath];
//    [self.scheduleImage setImage:image];
}


/*
- (void)displayImage {
    NSString *imageName = [@"http://www.fnordware.com/superpng/pnggrad8rgb.png" lastPathComponent];
    //UIImage *image = [UIImage imageNamed:@"imageName"];
    //UIView *view = [[UIImageView alloc] initWithImage:image];
    //[self.scheduleImage setImage:image];
    NSArray *dirPaths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *documentDirectoryPath = dirPaths[0];
    NSString *filePath = [documentDirectoryPath stringByAppendingString:[NSString stringWithFormat:@"/CalendarFolder/%@", imageName]];
    UIImage *image = [[UIImage alloc] initWithContentsOfFile:filePath];
    [self.scheduleImage setImage:image];
}
*/


#pragma mark Zooming and Panning
-(void)addScrollView{
    NSString *imagePath;
    NSArray *dirPaths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *documentDirectoryPath = dirPaths[0];
    NSString *calendarDir = [documentDirectoryPath stringByAppendingString:[NSString stringWithFormat:@"/CalendarFolder/"]];
    NSArray *list = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:calendarDir error:nil];
    for (NSString* file in list) {
        if ([[file pathExtension] isEqualToString: @"png"]) {
            //            [[NSFileManager defaultManager] copyItemAtPath:file toPath:calendarDir error:nil];
            imagePath = [calendarDir stringByAppendingPathComponent:file];
        }
    }
    UIImage *image = [[UIImage alloc] initWithContentsOfFile:imagePath];

    myScrollView = [[UIScrollView alloc]initWithFrame:CGRectMake(0, 0, [ [ UIScreen mainScreen ] bounds ].size.width, [ [ UIScreen mainScreen ] bounds ].size.height)];
    myScrollView.accessibilityActivationPoint = CGPointMake(500, 100);
    scheduleImage = [[UIImageView alloc] initWithImage:image];
    [myScrollView addSubview:scheduleImage];
    myScrollView.minimumZoomScale = 0.5;
    myScrollView.maximumZoomScale = 3;
    myScrollView.contentSize = CGSizeMake(scheduleImage.frame.size.width,
                                          scheduleImage.frame.size.height);
    myScrollView.backgroundColor = [UIColor colorWithPatternImage:[UIImage imageNamed:@"grey.png"]];
    myScrollView.delegate = self;
    [self.view addSubview:myScrollView];
}


-(UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView{
    return scheduleImage;
}
-(void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView{
    NSLog(@"Did end decelerating");
}
-(void)scrollViewDidScroll:(UIScrollView *)scrollView{
    //    NSLog(@"Did scroll");
}
-(void)scrollViewDidEndDragging:(UIScrollView *)scrollView
                 willDecelerate:(BOOL)decelerate{
    NSLog(@"Did end dragging");
}
-(void)scrollViewWillBeginDecelerating:(UIScrollView *)scrollView{
    NSLog(@"Did begin decelerating");
}
-(void)scrollViewWillBeginDragging:(UIScrollView *)scrollView{
    NSLog(@"Did begin dragging");
}

#pragma mark Buttons
- (IBAction)backButton:(id)sender {
}
@end