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Questions tagged [animatewithduration]

a block-based animation method for the UIView class in iOS, to automatically "tween" animations.

Automatically transitions from the starting state, to the specified ending state, over the specified duration.

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151 questions
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Whats the Swift animate WithDuration syntax?

I'm porting an older app over to Xcode 7 beta and I'm getting an error on my animations: Cannot invoke 'animateWithDuration' with an argument list of type '(Double, delay: Double, options: nil, animations: () -> _, completion: nil)' Here's the…
Dan Beaulieu
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Animating UIVisualEffectView Blur Radius?

As the title says it, is there a way to animate a UIVisualEffectView's blur radius? I have a dynamic background behind the view so the ImageEffects addition can't be used... The only thing that can do this as far as I know is to animate the opacity…
Brave Heart
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animateWithDuration:animations:completion: in Swift

In objective-C my animation bit would look something like this: [UIView animateWithDuration:0.5 animations:^{ [[[_storedCells lastObject] topLayerView] setFrame:CGRectMake(0, 0, swipeableCell.bounds.size.width,…
Nilzone-
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iOS stop animateWithDuration before completion

I have a CollectionView and I want to create an animation inside the CollectionViewCell selected by the user. I chose to use animateKeyframesWithDuration because I want to create a custom animation step by step. My code looks like this: func…
razvan
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UIView animateWithDuration is too fast

I have used UIView animateWithDuration to increase the shapeLayer.frame.size.height in the code below, but regardless of the duration it animates very fast. A few posts that I found recommended using some delay time which I've done, but it still…
Jickery
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Consecutive Animation Calls Not Working

I have a button that calls an animateWithDuration code that fades an image out, fades text & a new bg color in , and then resets back to normal. The animation takes a few seconds to complete and works great. However! There's a problem: Sometimes…
Dave G
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How to execute a lock that waits until an animation completes?

I am implementing a health bar that animates via user input. These animations make it go up or down by a certain amount (say 50 units) and are the result of a button press. There are two buttons. Increase and Decrease. I want to execute a lock on…
Black Orchid
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Prevent click through view in swift

I'm working in Xcode and swift, I created a view acting as a menu that toggles on tap, when the menu comes out I can still click a test button underneath it. I don't want that to happen. I want everything behind the view to be disabled giving…
Yousif Al-Raheem
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Animate UICollectionView sizeForItemAtIndexPath (Swift)

I would like to animate the resizing of a UICollectionViewCell. I have written the code below but cannot have the return line inside the animation block. Any ideas? func collectionView(collectionView: UICollectionView, layout collectionViewLayout:…
Tom Coomer
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how to add bounce animation to animateWithDuration?

I have a simple animation that im performing in my scroll view delegate method scrollViewDidEndDragging. It looks like this: - (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate { NSLog(@"finger was…
nick shmick
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Content Offset animation broken

I have an animation which is kicked off when a gesture recogniser (double tap) fires: [UIView animateWithDuration:0.3 animations:^{ _scrollView.contentOffset = CGPointMake(x, y); _scrollViewContentView.frame = someFrame; …
Pierre
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Animate hidden property on UILabels in UIStackView causes different animations

UIStackView makes it really easy to create a nice animation using the hidden property of a UIView. I have two UIStackViews each with UILabels in the arrangedSubviews and when I add a new UILabel to a UIStackView, it should present it with an…
Casse
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Why layoutIfNeeded() allows to perform animation when updating constraints?

I have two states of UIView: I have animation between them using @IBaction for button: @IBAction func tapped(sender: UIButton) { flag = !flag UIView.animateWithDuration(1.0) { if self.flag { …
Bartłomiej Semańczyk
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animateWithDuration lacks completion block, WatchOS 2

watchOS 2 does not have any kind of completion block in its animateWithDuration function. I'm working on a game that requires running code after an animation is completed. Are there any work arounds? Perhaps using key-value observation? The…
Ruben Martinez Jr.
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.Repeat .AutoReverse not working

I am using animations to transform a button when it is clicked, I was able to make the button bigger. However, I thought that by using .Repeat and .Autoreverse, the button would go back to its normal state. (scale 1.0) but that is not the case! …
Jesus Rodriguez
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