Animation is not coming out correctly

I'm crating a menu that slides from the bottom and up via UIbutton that is pressed to activate the animation. But the animation is coming out incorrectly. It suppose to work like this -https://youtu.be/79ZQDzzOHLk?t=2m52s (but in portrait mode)

But here's how it works after i coded it:

And here's the codes for the animation in the viewcontroller.m

#import "ViewController.h"

    @interface ViewController ()


    @end

    @implementation ViewController
    @synthesize scrollView;

    - (void)viewDidLoad
    {
        [super viewDidLoad];
        // Do any additional setup after loading the view, typically from a nib.
        draw1 = 0;
        scrollView.frame = CGRectMake(0, 300, 480, 55);
        [scrollView setContentSize:CGSizeMake(480, 55)];

        openMenu.frame = CGRectMake(220, 270, 60, 30);
    }
    - (IBAction)OpenMenu:(id)sender {
        if (draw1 ==0) {
            draw1 = 1;
            [UIView beginAnimations:nil context:nil];
            [UIView setAnimationDuration:0.5];
            [UIView setAnimationDelay:0.0];
            [UIView setAnimationCurve:UIViewAnimationCurveEaseOut];

            [UIButton beginAnimations:nil context:nil];
            [UIButton setAnimationDuration:0.5];
            [UIButton setAnimationDelay:0.0];
            [UIButton setAnimationCurve:UIViewAnimationCurveEaseOut];

            scrollView.frame = CGRectMake(0, 245, 568, 55);
            openMenu.frame = CGRectMake(220, 200, 60, 30);

            [self.view bringSubviewToFront:scrollView];

            [UIView commitAnimations];
        } else {
            draw1 = 0;
            [UIView beginAnimations:nil context:nil];
            [UIView setAnimationDuration:0.5];
            [UIView setAnimationDelay:0.0];
            [UIView setAnimationCurve:UIViewAnimationCurveEaseOut];

            [UIButton beginAnimations:nil context:nil];
            [UIButton setAnimationDuration:0.5];
            [UIButton setAnimationDelay:0.0];
            [UIButton setAnimationCurve:UIViewAnimationCurveEaseOut];

            scrollView.frame = CGRectMake(0, 300, 568, 55);
            openMenu.frame = CGRectMake(220, 270, 60, 30);

            [self.view bringSubviewToFront:scrollView];

            [UIView commitAnimations];
        }
    }
    @end

How do I fix it so it the UIbutton comes at the bottom of the screen in portrait mode and it goes up and down like in the youtube tutorial?

via Chebli Mohamed