# AspectRatio

Artifact: [androidx.camera:camera-core](https://developer.android.com/jetpack/androidx/releases/camera) [View Source](https://cs.android.com/search?q=file:androidx/camera/core/AspectRatio.java+class:androidx.camera.core.AspectRatio) Added in [1.0.0](https://developer.android.com/jetpack/androidx/releases/camera#1.0.0)

*** ** * ** ***


```
class AspectRatio
```

<br />

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The aspect ratio of the use case.

Aspect ratio is the ratio of width to height.

## Summary

| ### Constants |
|---|---|
| `const https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` | `https://developer.android.com/reference/kotlin/androidx/camera/core/AspectRatio#RATIO_16_9() = 1` 16:9 standard aspect ratio. |
| `const https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` | `https://developer.android.com/reference/kotlin/androidx/camera/core/AspectRatio#RATIO_4_3() = 0` 4:3 standard aspect ratio. |
| `const https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` | `https://developer.android.com/reference/kotlin/androidx/camera/core/AspectRatio#RATIO_DEFAULT() = -1` The aspect ratio representing no preference for aspect ratio. |

## Constants

### RATIO_16_9

Added in [1.0.0](https://developer.android.com/jetpack/androidx/releases/camera#1.0.0)

```
const val RATIO_16_9 = 1: Int
```

16:9 standard aspect ratio.

### RATIO_4_3

Added in [1.0.0](https://developer.android.com/jetpack/androidx/releases/camera#1.0.0)

```
const val RATIO_4_3 = 0: Int
```

4:3 standard aspect ratio.

### RATIO_DEFAULT

Added in [1.3.0](https://developer.android.com/jetpack/androidx/releases/camera#1.3.0)

```
const val RATIO_DEFAULT = -1: Int
```

The aspect ratio representing no preference for aspect ratio.