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

# UIView.AnimationCurve.easeIn

An ease-in curve causes the animation to begin slowly, and then speed up as it progresses.

## Declaration

```swift
case easeIn
```

## See Also

### Constants

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