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# UIRotationGestureRecognizer

A continuous gesture recognizer that interprets rotation gestures involving two touches.

```
@MainActor class UIRotationGestureRecognizer
```

## Overview

[`UIRotationGestureRecognizer`](/documentation/UIKit/UIRotationGestureRecognizer) is a concrete subclass of [`UIGestureRecognizer`](/documentation/UIKit/UIGestureRecognizer).

The user must press two fingers on a view while rotating it. When the user moves the fingers opposite each other in a circular motion, the underlying view rotates in a corresponding direction and speed.

Rotation is a continuous gesture. It begins when the user moves the two fingers enough to create a rotation gesture. The gesture changes when a finger moves while both fingers remain touching. It ends when the user lifts both fingers. At each stage in the gesture, the gesture recognizer sends its action message.

## Topics

### Interpreting the gesture

[`rotation`](/documentation/UIKit/UIRotationGestureRecognizer/rotation)

The rotation of the gesture in radians.

[`velocity`](/documentation/UIKit/UIRotationGestureRecognizer/velocity)

The velocity of the rotation gesture in radians per second.


---

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