When textfield start editing Keyboard will show and view go to upside after when click on view keyboard will hide view go to down side

UIScrollView, UITextField, NSNotification, UIGestureRecognizer, PassData

<UITextFieldDelegate>

@property (weak, nonatomic) IBOutlet UITextField *textFieldCurrent;

@property (weak, nonatomic) IBOutlet UITextField *textFieldFirstName;

@property (weak, nonatomic) IBOutlet UITextField *textFieldLastName;

@property (weak, nonatomic) IBOutlet UITextField *textFieldPhoneNumber;

@property (weak, nonatomic) IBOutlet UITextField *textFieldCity;

@property (weak, nonatomic) IBOutlet UIScrollView *scrollViewSignUp;

– (void)viewDidLoad {

    [super viewDidLoad];

    

    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil];

    

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

    

    

    UITapGestureRecognizer *aGest = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapDetected)];

    aGest.numberOfTapsRequired = 1;

    [self.view addGestureRecognizer:aGest];

    // Do any additional setup after loading the view, typically from a nib.

}

-(void)viewWillDisappear:(BOOL)animated

{

    [super viewWillDisappear:animated];

    

    [[NSNotificationCenter defaultCenter] removeObserver:self

                                                    name:UIKeyboardWillShowNotification

                                                  object:nil];

    

    [[NSNotificationCenter defaultCenter] removeObserver:self

                                                    name:UIKeyboardWillHideNotification

                                                  object:nil];

}

#pragma mark – Gester method

– (void)tapDetected {

    

    [self.textFieldCurrent resignFirstResponder];

    

}

#pragma mark – UIKeyboard show/hide notification

– (void)keyboardWillShow:(NSNotification *)iNotification {

    

    NSLog(@”%f”, [iNotification.userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue].size.height);

    

    NSDictionary *aKeyInfo = iNotification.userInfo;

    NSValue *aRectValue = [aKeyInfo valueForKey:UIKeyboardFrameBeginUserInfoKey];

    CGRect aRect = [aRectValue CGRectValue];

    

    if (self.textFieldCurrent.tag == 3 || self.textFieldCurrent.tag == 4)

    {

        self.scrollViewSignUp.contentOffset = CGPointMake(0, (aRect.size.height) – ([UIScreen mainScreen].bounds.size.height / 5.3));

    }

    

}

– (void)keyboardWillHide:(NSNotification *)iNotification  {

    

    self.scrollViewSignUp.contentOffset = CGPointMake(0, 0);

    

}

#pragma mark – UITextField delegate

– (BOOL)textFieldShouldReturn:(UITextField *)textField {

    

    [textField resignFirstResponder];

    return YES;

    

}

– (void)textFieldDidBeginEditing:(UITextField *)textField {

    

    self.textFieldCurrent = textField;

    

}

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