JTScrollViewController

pod 'JTScrollViewController', '~> 1.0'

#import <UIKit/UIKit.h>
#import <JTScrollViewController.h>

@interface MyViewController : JTScrollViewController

@end

#import "MyViewController.h"

@implementation MyViewController

- (void)viewDidLoad
{
    [super viewDidLoad];
    
    // Add all your views to self.contentView
    // Do your stuff...
    {
        CGFloat spaceFromTop = 30.;
        UITextField *textField = [UITextField alloc] initWithFrame:CGRectMake(0, spaceFromTop, 0, 45)];
        [self.contentView addSubview:textField];
    }
    
    {
        UITextField *textField = [UITextField alloc] initWithFrame:CGRectMake(0, 5, 0, 45)];
        [self.contentView addSubview:textField];
    }

    {
    	UIButton *button = [[UIButton alloc] initWithFrame:CGRectMake(0, 10, 0, 50)];
        [self.contentView addSubview:button];
    }

    // Add vertical space (22px) for the status bar
    // Use this when you don't have a navigation bar and you don't want the scroll go under the status bar
    [self addVerticalSpacingForStatusBar:YES];

    // Call configureConstraintsForSubviews for create all constraints
    [self configureConstraintsForSubviews];
}