Question 1

How do I chain animations sequentially in Sica?

Accepted Answer

Use the .addBasicAnimation or similar methods to define animations, then call .run(type: .sequence) on the Animator instance. The README shows an example with position and bounds animations running one after another.

Question 2

Does Sica work with SwiftUI?

Accepted Answer

Sica is built on Core Animation and is optimized for UIKit and AppKit. For SwiftUI, you can bridge it via UIViewRepresentable, but native SwiftUI animations might be simpler for basic cases, and Sica lacks direct integration.

Question 3

Sica vs Lottie: which should I use for iOS animations?

Accepted Answer

Sica is best for programmatic, type-safe Core Animation sequences with custom logic. Lottie is better for vector animations created in tools like After Effects, offering pre-designed motion with less code but less control.

Question 4

How to cancel a running animation in Sica?

Accepted Answer

Call the .cancel() method on the Animator object. The README explicitly demonstrates this with animator.cancel(), which stops all ongoing animations managed by that animator.

Question 5

What key paths are supported in Sica?

Accepted Answer

Sica supports a wide range of key paths, including position, scale, rotation, opacity, and more, detailed in the key paths table in the README, covering common CALayer properties with type-safe accessors.

Question 6

Can I use Sica for spring animations?

Accepted Answer

Yes, Sica includes .addSpringAnimation with parameters for damping, mass, stiffness, and initial velocity, allowing for physics-based animations similar to CASpringAnimation, as shown in the sample code.

Sica

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