HMXNewPersonelStep1ViewController.m

#import "HMXNewPersonelStep1ViewController.h"

    @implementation HMXNewPersonelStep1ViewController

    - (id)initWithNibName:(NSString *)nibNameOrNil
                   bundle:(NSBundle *)nibBundleOrNil{
        self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];

        if (self) {

        }

        return self;
    }

    - (void)viewDidLoad{
        [super viewDidLoad];
        [self registerForKeyboardNotifications];
        self.gestureRecognizer =
        [[UITapGestureRecognizer alloc]
         initWithTarget:self
         action:@selector(handleSingleTap:)];
        [self.scrollView
         addGestureRecognizer:self.gestureRecognizer];
    }

    - (void)didReceiveMemoryWarning{
        [super didReceiveMemoryWarning];
    }

    -(void) windowClosed:(NSNotification*)notification {
        [self.scrollView removeGestureRecognizer:self.gestureRecognizer];
    }

    - (void)registerForKeyboardNotifications {
        [[NSNotificationCenter defaultCenter]
         addObserver:self
         selector:@selector(keyboardDidShow:)
         name:UIKeyboardDidShowNotification object:nil];

        [[NSNotificationCenter defaultCenter]
         addObserver:self
         selector:@selector(keyboardWillHide:)
         name:UIKeyboardWillHideNotification object:nil];
    }

    - (void)keyboardDidShow:(NSNotification*)aNotification {
        NSDictionary* info = [aNotification userInfo];
        _kbSize = [[info objectForKey:UIKeyboardFrameBeginUserInfoKey] CGRectValue].size;
    }

    - (void)keyboardWillHide:(NSNotification*)aNotification {
        UIEdgeInsets contentInsets = UIEdgeInsetsZero;
        _scrollView.contentInset = contentInsets;
        _scrollView.scrollIndicatorInsets = contentInsets;
    }

    - (void)adjustView{
        UIEdgeInsets contentInsets = UIEdgeInsetsMake(0.0, 0.0, _kbSize.height, 0.0);

        _scrollView.contentInset = contentInsets;
        _scrollView.scrollIndicatorInsets = contentInsets;

        CGRect aRect = self.view.frame;
        aRect.size.height -= _kbSize.height;
        CGPoint aPoint =
        CGPointMake(0, _activeField.frame.origin.y+100);

        if (!CGRectContainsPoint(aRect, aPoint) ) {
            _oldContentOffset = [_scrollView contentOffset];
            CGPoint scrollPoint =
            CGPointMake(0.0, _activeField.frame.origin.y-_kbSize.height+100);
            [_scrollView setContentOffset:scrollPoint animated:YES];
            NSLog(@"adjusted...", nil);
        }
    }

    - (IBAction)textFieldEditingDidBegin:(id)sender {
        _activeField = (UITextField*)sender;
        [self adjustView];
    }

    - (IBAction)textFieldEditingDidEnd:(id)sender {
        _activeField = nil;
    }

    - (void)handleSingleTap:(UITapGestureRecognizer*)sender {
        if (sender.state == UIGestureRecognizerStateEnded){
            [self backgroundClicked:self];
        }
    }

    - (IBAction)backgroundClicked:(id)sender {
        NSLog(@"click!", nil);
        [self.view endEditing:YES];
    }

    - (IBAction)backButtonClicked:(id)sender {
        [self.navigationController popViewControllerAnimated:YES];
    }

    - (IBAction)nextButtonClicked:(id)sender {
        [self performSegueWithIdentifier:@"next" sender:self];
    }