SwiftUI Animations and Transitions

Comprehensive guide to SwiftUI animations, the new @Animatable macro (iOS 26), transitions, and motion design best practices for modern iOS development.

Prerequisites

• iOS 17+ for PhaseAnimator/KeyframeAnimator
• iOS 26+ for @Animatable macro
• Xcode 26+

@Animatable Macro (iOS 26 - NEW!)

The Revolution in Custom Animations

iOS 26 introduces the @Animatable macro, eliminating the tedious boilerplate previously required for animating custom shapes and views.

Before iOS 26 (Manual Approach)