In the Symbols framework, each behavior corresponds to a protocol. So that's the four different behaviors: discrete, indefinite, transition, and content transition. They can transition the symbol in and out of view.Īnd finally, Replace is a content transition. Unlike discrete effects, indefinite effects only end when explicitly removed.Īppear and Disappear support transition behavior. Scale is said to support indefinite behavior. Adding a Scale effect, on the other hand, changes the symbol's scale level and keeps it there indefinitely. But all of these effects actually encompass a small set of behaviors.īounce, for example, plays a one-off animation on the symbol. With all of the effect types and configuration options, there's a massive variety of animations available. You can even copy a dot-separated effect name to be used directly in your code. In the new animation tab, you can learn about all the available configuration options for each effect. The best way to explore all the new animations is the SF Symbols app. Xcode will autocomplete each part of the name, and if an effect is configured incorrectly, you'll get an error at compile time. By chaining options together, you can configure very specific effects with ease. For example, Variable Color has three different settings. Some effects feature many configuration options. The frameworks will automatically use the most appropriate direction. For example, you can specify that the symbol should bounce upwards or downwards, but most of the time, you won't need to specify anything. These dot-separated names also extend to the way you configure effects. So to create a bounce effect, you can simply write ".bounce" in your code. A really cool feature of the Symbols framework is that each effect has a simple dot-separated name. It's included for free when you use SwiftUI, AppKit, or UIKit to build your app. In the API, these animations are called "symbol effects," and the new Symbols framework is home to all of them. I recommend checking out the "What's new in SF Symbols 5" session to dive deeper into the animations themselves, including best practices for designing interfaces with them. These animations are called Bounce, Pulse, Variable Color, Scale, Appear, Disappear, and Replace. IOS 17 and macOS Sonoma introduce a collection of universal animations that can be applied to any symbol image, even custom symbols. And finally, I'll give you some tips to make symbol effects really shine. I'll start with a tour of the new symbol animations, also called "symbol effects." Then, I'll guide you through the new APIs in SwiftUI, UIKit, and AppKit to add symbol effects to your apps. In iOS 17 and macOS Sonoma, we're enhancing symbols with animation, bringing more life into your apps than ever before. And because people are familiar with symbols, they make your app more intuitive to use. They look gorgeous in menus, toolbars, sidebars, and more. SF Symbols are an iconic part of Apple interfaces. Welcome to "Animate symbols in your app." My name is Anant, and I'm an engineer on UIKit.
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