6

Built-in symbol animations in UIKit controls

 1 year ago
source link: https://sarunw.com/posts/built-in-symbol-animations-in-uikit-controls/
Go to the source link to view the article. You can view the picture content, updated content and better typesetting reading experience. If the link is broken, please click the button below to view the snapshot at that time.
neoserver,ios ssh client

Built-in symbol animations in UIKit controls

29 Jun 2023 ⋅ 2 min read ⋅ UIKit iOS 17

Table of Contents

In iOS 17, SF Symbols can be animated in various ways.

Some animation effects can use to give feedback and enhance user experiences.

With the coming of new animated symbols, UIKit controls also get a new API to enable animations on some UIControl.

How to opt-in / out of built-in symbol animations

In iOS 17, Apple added an animation on some UIKit controls.

Some controls have animation enabled by default, e.g., UISlider.

Some controls have an animation disabled by default, which you can opt-in for it using the new property.

To opt in/out of the built-in animation, we use the new property, isSymbolAnimationEnabled.

Here is an example of built-in animation for UIButton, UIBarButtonItem, and UISlider.

var conf = UIButton.Configuration.plain()
conf.title = "Add"
conf.image = UIImage(systemName: "plus.app")

let animateButton = UIButton(configuration: conf)
animateButton.isSymbolAnimationEnabled = true

let barButtonItem = UIBarButtonItem(title: "Add", image: UIImage(systemName: "plus.app"), primaryAction: nil, menu: nil)
navigationItem.rightBarButtonItem = barButtonItem
barButtonItem.isSymbolAnimationEnabled = true

let slider = UISlider()
slider.minimumValueImage = UIImage(systemName: "tortoise")
slider.maximumValueImage = UIImage(systemName: "hare")

We explicitly set isSymbolAnimationEnabled to true for UIButton and UIBarButton because the animation is disabled by default for those controls.

But it is enabled by default for UISlider, so you don't need to set it.

Built-in symbol animations in UIKit controls.
Built-in symbol animations in UIKit controls.

You can easily support sarunw.com by checking out this sponsor.

AI Paraphrase: Sponsor sarunw.com and reach thousands of iOS developers.

SwiftUI

It is quite surprising to me that this feature is exclusive to UIKit.

Apple doesn't expose the same API for SwiftUI.

Some control in SwiftUI also got this nice animation, e.g., Slider. But you can't opt out of that animation.

I tried using .symbolEffectsRemoved(), but it doesn't work.

Slider(value: $speed) {
    Text("Speed")
} minimumValueLabel: {
    Image(systemName: "tortoise")
} maximumValueLabel: {
    Image(systemName: "hare")
}
.symbolEffectsRemoved()

And there is no modifier to enable an animation on the SwiftUI button either.

Read more article about UIKit, iOS 17,

or see all available topic

Enjoy the read?

If you enjoy this article, you can subscribe to the weekly newsletter.
Every Friday, you'll get a quick recap of all articles and tips posted on this site. No strings attached. Unsubscribe anytime.

Feel free to follow me on Twitter and ask your questions related to this post. Thanks for reading and see you next time.

If you enjoy my writing, please check out my Patreon https://www.patreon.com/sarunw and become my supporter. Sharing the article is also greatly appreciated.

Become a patron

Buy me a coffee

Tweet

Share

Previous
SwiftUI Plain Button Style cannot tap on an Empty space

The plain button style has behavior and appearance different from the other styles. Let's learn how this affects a tappable area.

Next
How to use NSAttributedString in SwiftUI

Learn how to use an old NSAttributedString inside a SwiftUI app.

← Home


report

Recommend

About Joyk


Aggregate valuable and interesting links.
Joyk means Joy of geeK