---
title: UIView.AutoresizingMask
framework: uikit
role: symbol
role_heading: Structure
path: uikit/uiview/autoresizingmask-swift.struct
---

# UIView.AutoresizingMask

Options for automatic view resizing.

## Declaration

```swift
struct AutoresizingMask
```

## Topics

### Constants

- [flexibleLeftMargin](uikit/uiview/autoresizingmask-swift.struct/flexibleleftmargin.md)
- [flexibleWidth](uikit/uiview/autoresizingmask-swift.struct/flexiblewidth.md)
- [flexibleRightMargin](uikit/uiview/autoresizingmask-swift.struct/flexiblerightmargin.md)
- [flexibleTopMargin](uikit/uiview/autoresizingmask-swift.struct/flexibletopmargin.md)
- [flexibleHeight](uikit/uiview/autoresizingmask-swift.struct/flexibleheight.md)
- [flexibleBottomMargin](uikit/uiview/autoresizingmask-swift.struct/flexiblebottommargin.md)

### Initializers

- [init(rawValue:)](uikit/uiview/autoresizingmask-swift.struct/init(rawvalue:).md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Equatable](swift/equatable.md)
- [ExpressibleByArrayLiteral](swift/expressiblebyarrayliteral.md)
- [OptionSet](swift/optionset.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)
- [SetAlgebra](swift/setalgebra.md)

## See Also

### Constants

- [UIView.AnimationCurve](uikit/uiview/animationcurve.md)
- [UIView.AnimationOptions](uikit/uiview/animationoptions.md)
- [UIView.AnimationTransition](uikit/uiview/animationtransition.md)
- [UIView.SystemAnimation](uikit/uiview/systemanimation.md)
- [UIView.KeyframeAnimationOptions](uikit/uiview/keyframeanimationoptions.md)
- [NSLayoutConstraint.Axis](uikit/nslayoutconstraint/axis.md)
- [UIView.TintAdjustmentMode](uikit/uiview/tintadjustmentmode-swift.enum.md)
- [layoutFittingCompressedSize](uikit/uiview/layoutfittingcompressedsize.md)
- [layoutFittingExpandedSize](uikit/uiview/layoutfittingexpandedsize.md)
- [noIntrinsicMetric](uikit/uiview/nointrinsicmetric.md)
- [UISemanticContentAttribute](uikit/uisemanticcontentattribute.md)