I do not want animation in the begin updates, end updates block for uitableview?

Question

I have a UITableView that is using a custom table cell and each cell has a UIWebView.

Because UIWebView took along time to load, i want to avoid reloading them at all cost. In some situations, I have all cells loaded, but their heights are messed up. Therefore, I need to "relayout" the table without triggering the "cellForRow" function.

I definitely cannot use reloadData... as it will reload the cells again.
I tried tableView.setNeedDisplay, setNeedsLayout etc, none of them is able to rearrange the table cells
The only way it worked, is to call beginupdates/endupdates block, this block is able to relayout my table without firing cellForRow! BUT, I didnt want the animation! This block produces an animation effect but i do not want it...

How can I solve my problem?

Evgeny Shurakov · Accepted Answer · 2012-02-16 11:58:04Z

223

[UIView setAnimationsEnabled:NO];
[tableView beginUpdates];
[tableView endUpdates];
[UIView setAnimationsEnabled:YES];

answered Feb 16, 2012 at 11:58

Evgeny Shurakov

6,0822 gold badges30 silver badges22 bronze badges

1

This is great! I find it has some most interesting applications. I found that reload sections method will always animate even if you pass in UITableViewRowAnimationNone, but with this the animation can be easily bypassed!

f1yingbanana
– f1yingbanana

2015-04-21 15:11:42 +00:00
Commented Apr 21, 2015 at 15:11

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Dmytro · Accepted Answer · 2016-08-05 08:10:10Z

83

One more way to do it using blocks

Obj-C

[UIView performWithoutAnimation:^{
   [self.tableView beginUpdates];
   [self.tableView endUpdates];
}];

Swift

UIView.performWithoutAnimation {
    tableView.beginUpdates()
    tableView.endUpdates()   
}

edited Aug 5, 2016 at 8:10

answered Feb 4, 2016 at 11:06

Dmytro

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Neil Japhtha · Accepted Answer · 2015-10-05 10:14:28Z

5

Swifties I had to do the following for this to work:

// Sadly, this is not as simple as calling:
//      UIView.setAnimationsEnabled(false)
//      self.tableView.beginUpdates()
//      self.tableView.endUpdates()
//      UIView.setAnimationsEnabled(true)

// We need to disable the animations.
UIView.setAnimationsEnabled(false)
CATransaction.begin()

// And we also need to set the completion block,
CATransaction.setCompletionBlock { () -> Void in
    // of the animation.
    UIView.setAnimationsEnabled(true)
}

// Call the stuff we need to.
self.tableView.beginUpdates()
self.tableView.endUpdates()

// Commit the animation.
CATransaction.commit()

answered Oct 5, 2015 at 10:14

Neil Japhtha

87510 silver badges9 bronze badges

Helped me. Thanks. Important to put setAnimationsEnabled(true) inside the completion block.

Lasse Bunk
– Lasse Bunk

2016-05-25 15:02:39 +00:00
Commented May 25, 2016 at 15:02
But this does not update Footer until you scroll the tableview.

Mr. Bean
– Mr. Bean

2017-11-30 05:46:04 +00:00
Commented Nov 30, 2017 at 5:46
@Mr.Bean what's the full case? (i.e. does your tableview always have a footer, are you trying to insert one or remove one?)

Neil Japhtha
– Neil Japhtha

2017-12-04 11:25:02 +00:00
Commented Dec 4, 2017 at 11:25
Always have a Footer, just need to update the footer (i.e. There are 2 views inside the footer, need to hide/unhide the views depending on the condition.)

Mr. Bean
– Mr. Bean

2017-12-04 15:24:38 +00:00
Commented Dec 4, 2017 at 15:24
@Mr.Bean what does your update block contain? The most extendable method here would be to reload the section.

Neil Japhtha
– Neil Japhtha

2017-12-04 18:07:49 +00:00
Commented Dec 4, 2017 at 18:07

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hstdt · Accepted Answer · 2018-08-31 01:52:58Z

5

working on my project, but not a common solution.

let loc = tableView.contentOffset
UIView.performWithoutAnimation {

    tableView.reloadData()

    tableView.layoutIfNeeded()
    tableView.beginUpdates()
    tableView.endUpdates()

    tableView.layer.removeAllAnimations()
}
tableView.setContentOffset(loc, animated: true)//animation true may perform better

answered Aug 31, 2018 at 1:52

hstdt

6,3732 gold badges38 silver badges39 bronze badges

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yoAlex5 · Accepted Answer · 2022-09-09 12:27:41Z

2

iOS disable animations in UITableView

From iOS v11 you should use the performBatchUpdates method instead of beginUpdates/endUpdates

UIView.performWithoutAnimation {
    self.tableView.performBatchUpdates {
        //table view updates
    }
}

answered Sep 9, 2022 at 12:27

yoAlex5

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Jorge Arimany · Accepted Answer · 2016-09-22 08:28:58Z

1

I prefer to have a smooth transition:

CGPoint offset = self.tableView.contentOffset;
[UIView transitionWithView:self.tableView duration:0.5 options:UIViewAnimationOptionTransitionCrossDissolve animations:^{
        [self.tableView reloadData];
        self.tableView.contentOffset = offset;
    } completion:nil];

give it a try.

answered Sep 22, 2016 at 8:28

Jorge Arimany

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Aadi007 · Accepted Answer · 2016-04-01 10:01:19Z

0

I wanted to updated the cell height for section 5 and following code worked for me:

UiView.setAnimationsEnabled(False)
self.productTableView.reloadSections(NSIndexSet(index: SectionType.ProductDescription.hashValue), withRowAnimation: UITableViewRowAnimation.None)
self.productTableView.scrollToRowAtIndexPath(NSIndexPath(forRow: 0, inSection: 5), atScrollPosition: UITableViewScrollPosition.Bottom, animated: false)
UIView.setAnimationsEnabled(true)

answered Apr 1, 2016 at 10:01

Aadi007

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dimaskpz · Accepted Answer · 2021-08-27 17:48:46Z

0

for OBJ-C

[UIView setAnimationsEnabled:NO];
[tableView beginUpdates];
[tableView endUpdates];
[UIView setAnimationsEnabled:YES];

for swift

UIView.setAnimationsEnabled(false)
tableView.beginUpdates()
tableView.endUpdates()
UIView.setAnimationsEnabled(true)

answered Aug 27, 2021 at 17:48

dimaskpz

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user16658136 · Accepted Answer · 2021-08-13 10:43:57Z

-1

In my case worked this:

func textViewShouldBeginEditing(_ textView: UITextView) -> Bool {
    tableView.beginUpdates()
    tableView.endUpdates()
    return true
}

func textViewDidChange(_ textView: UITextView) {
    DispatchQueue.main.async {
        self.tableView.beginUpdates()
        self.tableView.endUpdates()
    }
}

answered Aug 13, 2021 at 10:43

user16658136

1

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