How to disable horizontal scrolling in UIScrollView?

Question

I have a scrollView of 280(w) x 350(h) and a content view of 840(w) x 405(h).

I switch between the views with a segmented control like this:

- (IBAction)segmentedClicked:(UISegmentedControl *)sender
{
    CGFloat x = sender.selectedSegmentIndex * self.personalDetailsScrollView.frame.size.width;
    CGPoint point = CGPointMake(x, 0);
    [self.personalDetailsScrollView setContentOffset:point animated:YES];
}

I want to disable the regular horizontal scrolling so only the segmented buttons will scroll the view horizontally. The vertical scroll should stay active.

Tried to use -(void)scrollViewDidScroll and the solution offered here: (How to lock the horizontal scrolling of a scrollView in iOS) but it didn't work for me for some reason.

Try to change the scroll view content size as per width size — Vishnu, Feb 15 '13 at 12:57
Maybe this might help? http://stackoverflow.com/questions/1062693/how-to-disable-horizontal-scrolling-of-scrollview-iphone — Paul Peelen, Feb 15 '13 at 12:59

mprivat · Answer 1 · 2013-06-06T12:34:12.233

I haven't tried it, but this is the approach I'd take:

In UIScrollView, there is a property:

@property(nonatomic, readonly) UIPanGestureRecognizer *panGestureRecognizer

So I'd make my own new UIPanGestureRecognizer extension and override:

- (CGPoint)translationInView:(UIView *)view
{
    CGPoint tmp = [super translationInView:view];
    return CGPointMake(0, tmp.y);
}

Add that gesture recognizer to the scrollview, then call:

[scrollView.panGestureRecognizer requireGestureRecognizerToFail:youCustomOne];

It should work.

score 0 · Answer 2 · answered Feb 15 '13 at 13:07

try this

- (IBAction)segmentedClicked:(UISegmentedControl *)sender
{
    if(sender.selectedSegmentIndex == 0)
    {
       CGPoint point = CGPointMake(0, 0);
    }
    else
    {
       CGPoint point = CGPointMake(self.personalDetailsScrollView.frame.size.width, 0);
     }
    [self.personalDetailsScrollView setContentOffset:point animated:YES];
    }

score 0 · Answer 3 · answered Oct 10 '13 at 16:36

I know this is a late answer, but I see there is still no accepted answer, so I'll give it a go.

It sounds like what you are trying to do is use 1 controller to effectively hold 3 separate screens. You're trying to switch between the screens depending on what the user selects in a UISegmentedControl, and you don't want the user to be able to pan between the views by just horizontally swiping. Why not just have 3 different view controllers? I think that is the more expected way to setup what you are trying to do, and therefore you will find it much easier to implement.

score 0 · Answer 4 · answered Aug 27 '17 at 08:42

Swift 3, Set UIScrollViewDelegate to your class and then use below code.

scrollView.isDirectionalLockEnabled = true

func scrollViewDidScroll(_ scrollView: UIScrollView) {
        if scrollView.contentOffset.x>0 {
            webView.scrollView.contentOffset.x = 0.0
        }
    }

How to disable horizontal scrolling in UIScrollView?

4 Answers4