---
title: UIView.AnimationCurve.linear
framework: uikit
role: symbol
role_heading: Case
path: uikit/uiview/animationcurve/linear
---

# UIView.AnimationCurve.linear

A linear animation curve causes an animation to occur evenly over its duration.

## Declaration

```swift
case linear
```

## See Also

### Constants

- [UIView.AnimationCurve.easeInOut](uikit/uiview/animationcurve/easeinout.md)
- [UIView.AnimationCurve.easeIn](uikit/uiview/animationcurve/easein.md)
- [UIView.AnimationCurve.easeOut](uikit/uiview/animationcurve/easeout.md)