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# UISwipeGestureRecognizer

A discrete gesture recognizer that interprets swiping gestures in one or more directions.

```
@MainActor class UISwipeGestureRecognizer
```

## Overview

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

[`UISwipeGestureRecognizer`](/documentation/UIKit/UISwipeGestureRecognizer) recognizes a swipe when the user moves the specified number of touches ([`numberOfTouchesRequired`](/documentation/UIKit/UISwipeGestureRecognizer/numberOfTouchesRequired)) in an allowable direction ([`direction`](/documentation/UIKit/UISwipeGestureRecognizer/direction-swift.property)) far enough to create a swipe. Swipes can be slow or fast. A slow swipe requires high directional precision but a small distance; a fast swipe requires low directional precision but a large distance. Because a swipe is a discrete gesture, the system sends the associated action message just once per gesture.

You can determine the location where a swipe begins by calling the [`UIGestureRecognizer`](/documentation/UIKit/UIGestureRecognizer) methods [`location(in:)`](/documentation/UIKit/UIGestureRecognizer/location(in:)) and [`location(ofTouch:in:)`](/documentation/UIKit/UIGestureRecognizer/location(ofTouch:in:)). The former method provides the centroid if the gesture contains more than one touch; the latter provides the location of a particular touch.

## Topics

### Configuring the gesture

[`direction`](/documentation/UIKit/UISwipeGestureRecognizer/direction-swift.property)

The permitted direction of the swipe for this gesture recognizer.

[`numberOfTouchesRequired`](/documentation/UIKit/UISwipeGestureRecognizer/numberOfTouchesRequired)

The number of touches necessary for swipe recognition.

[`UISwipeGestureRecognizer.Direction`](/documentation/UIKit/UISwipeGestureRecognizer/Direction-swift.struct)

The direction of the swipe.


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