Storyboard UIScrollView contentSize?

Question

I feel like I have touched on every single possible cause for stopping this, but I have a UIScrollView in my Storyboard hooked up with an outlet and in the viewDidLoad I set the contentSize so that I can scroll (yes bigger than my frame size)!

However, whatever I change, I just can't scroll! I have a couple of textfields in my scrollview and bouncing enabled so I can see that when testing its moves up and down with my subviews in it but whatever I set the contentSize to I just can't scroll.

Anything I might be missing/should check? Is this a known issue with UIScrollView being used in a storyboard?

Whats even stranger is, I can do something like this: [scrollView setBackgroundColor:[UIColor blueColor]]; and I have a blue scroll view! But setting content size fails.

Edit

My only code (otherwise scrollview is just dropped into storyboard view controller):

-(void)viewDidAppear:(BOOL)animated
{
    [scrollView setContentSize:CGSizeMake(320, 640)];
}

Logged frame, comes out as expected:

width: 320.00
height: 504.00

Edit 2

Turns out that removing any subviews of the scroll view in my storyboard lets it scroll just fine. If I add any subview to it at all via the storyboard, even a blank brand new UIButton it just won't apply the contentSize/allow scrolling.

Will do, its literally just a single line setting the contentSize. — Josh Kahane, Apr 02 '13 at 20:52
Are you testing on the 4 inch screen? http://stackoverflow.com/a/20575798/274179 — PostCodeism, Dec 13 '13 at 20:54
Why it happens the thing that you described in EDIT2? It happens to me too and it's annoying! — Van Du Tran, Jul 04 '14 at 18:16

Ryan · Answer 1 · 2014-09-22T01:57:47.580

48

use ViewDidLayoutSubview

- (void)viewDidLayoutSubviews
{
    [_scrollView setContentSize:CGSizeMake(320, 500)];
}

UIViewController's method invoke sequence is as below

awakeFromNib
viewDidLoad
viewWillAppear
viewWillLayoutSubviews
viewDidLayoutSubviews
viewDidAppear

edited Sep 22 '14 at 01:57

answered Jan 24 '14 at 09:58

Ryan

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score 5 · Answer 2 · answered Apr 02 '13 at 20:41

5

viewDidLoad is not a good place to put code that relies on frame sizes of IB objects. If you log the contentSize of your scroll view in viewDidLoad, you will see that it's (0,0). Move the code (where you set the content size) to viewDidAppear, and it will work properly.

answered Apr 02 '13 at 20:41

rdelmar

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Attempted, logical move but no luck. – Josh Kahane Apr 02 '13 at 20:49
@JoshKahane, It works fine for me, so you must be doing something wrong. You should post the code that you're using now. – rdelmar Apr 02 '13 at 20:50
Well thats the thing, I just have dropped my scroll view into my view controller, hooked it up, enabled scrolling, interaction etc, the only code I have is setting the content size. – Josh Kahane Apr 02 '13 at 20:51
@JoshKahane,, log scrollView to make sure you hooked it up properly. – rdelmar Apr 02 '13 at 20:55
@JoshKahane, also make sure you have [super viewDidAppear:animated]; in your implementation. I don't think that's your problem, but you should always have that. – rdelmar Apr 02 '13 at 20:58
@JoshKahane, one other thing. What is the scroll view's frame size? If that's as big as the content size, it won't scroll. – rdelmar Apr 02 '13 at 21:02
Logged frame, expected result was given as in original post now. I set my content size larger than this. – Josh Kahane Apr 02 '13 at 21:03
let us [continue this discussion in chat](http://chat.stackoverflow.com/rooms/27435/discussion-between-rdelmar-and-josh-kahane) – rdelmar Apr 02 '13 at 21:04
1

you should overrite the viewDidLayoutSubviews method, there all your frames are already set – OscarVGG Oct 10 '13 at 20:09

Lithu T.V · Answer 3 · 2013-04-02T20:55:28.163

4

Check these

User Interaction enabled
Outlet connected
Included contentsize greater than bounds
scrolling Enabled

eg

scrollView.contentSize = CGSizeMake(320, 640);

My storyboard looks like this for scrollview [working]

enter image description here

edited Apr 02 '13 at 20:55

answered Apr 02 '13 at 20:40

Lithu T.V

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score 3 · Answer 4 · answered Jan 28 '14 at 23:10

3

I had exactly the same line of code in viewDidAppear and it did not work

Moved it to viewDidLayoutSubviews and it worked correctly.

[scrollView setContentSize:CGSizeMake(320, 500)];

Thanks trick14 for the answer.

answered Jan 28 '14 at 23:10

timv

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score 3 · Answer 5 · edited May 23 '17 at 11:54

3

The issue is most probably with Auto Layout. UIScrollView needs special attention when using AutoLayout.

Quick-fix - bind one of the scroll's subviews to the top AND bottom space of it's superview (the scroll view).

Long story: Questions on SO: UIScrollView not scrolling regardless of large contentSize, UIScrollView will not scroll, even after content size set, UIScrollView doesn't use autolayout constraints

Apple's Documentation: https://developer.apple.com/library/ios/technotes/tn2154/_index.html

edited May 23 '17 at 11:54

Community

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answered Jan 29 '14 at 09:30

Oded Ben Dov

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Quick-fix - bind one of the scroll's subviews to the top AND bottom space of it's superview (the scroll view). – Vassily May 15 '14 at 15:00
This is an important item to check when having the 'no-scroll' issue. – David May 20 '14 at 13:36

score 1 · Answer 6 · answered Jan 19 '16 at 02:57

1

Trip14's answer worked for me. In swift I coded it as:

override func viewDidLayoutSubviews() {

          (self.view as! UIScrollView).contentSize = CGSizeMake(600, 600)
        }

answered Jan 19 '16 at 02:57

Jitendra Kulkarni

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this method required to implement in swift. – iPhone 7 Jun 27 '16 at 10:51

score 0 · Answer 7 · edited May 23 '17 at 12:34

0

This seems to be a similar issue. Other Story

It might be an issue with auto layout or constraints in the storyboard.

edited May 23 '17 at 12:34

Community

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answered Apr 02 '13 at 21:24

Heckman

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Seems possible, only I've heard others say Auto Layout doesn't affect them. Thanks for pointing me in this direction though, I'll investigate further. – Josh Kahane Apr 02 '13 at 22:18

score 0 · Answer 8 · answered Oct 14 '20 at 10:04

0

the best way with the storyboard.:

answered Oct 14 '20 at 10:04

Ryan110

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Storyboard UIScrollView contentSize?

Edit

Edit 2

8 Answers8

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