# AlphaScope

Artifact: [androidx.compose.foundation:foundation](https://developer.android.com/jetpack/androidx/releases/compose-foundation) [View Source](https://cs.android.com/search?q=file:androidx/compose/foundation/style/StyleScope.kt+class:androidx.compose.foundation.style.AlphaScope) Added in [1.12.0](https://developer.android.com/jetpack/androidx/releases/compose-foundation#1.12.0) Common/All
- Cmn

  ```
  @ExperimentalFoundationStyleApi
  interface AlphaScope
  ```
Known direct subclasses [LayerStyleScope](https://developer.android.com/reference/kotlin/androidx/compose/foundation/style/LayerStyleScope)

|---|---|
| `https://developer.android.com/reference/kotlin/androidx/compose/foundation/style/LayerStyleScope` | An interface that introduces the graphics layer property to a `https://developer.android.com/reference/kotlin/androidx/compose/foundation/style/Style` receiver scope. |

Known indirect subclasses [StyleScope](https://developer.android.com/reference/kotlin/androidx/compose/foundation/style/StyleScope)

|---|---|
| `https://developer.android.com/reference/kotlin/androidx/compose/foundation/style/StyleScope` | A `https://developer.android.com/reference/kotlin/androidx/compose/foundation/style/StyleScope` is the receiver scope of a `https://developer.android.com/reference/kotlin/androidx/compose/foundation/style/Style` lambda. |

*** ** * ** ***

An interface that introduces the `https://developer.android.com/reference/kotlin/androidx/compose/foundation/style/AlphaScope#alpha(kotlin.Float)` property to a `https://developer.android.com/reference/kotlin/androidx/compose/foundation/style/Style` receiver scope.

| See also |
|---|---|
| `https://developer.android.com/reference/kotlin/androidx/compose/foundation/style/StyleScope` |   |

## Summary

| ### Public functions |
|---|---|---|
| `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | `https://developer.android.com/reference/kotlin/androidx/compose/foundation/style/AlphaScope#alpha(kotlin.Float)(value: @https://developer.android.com/reference/kotlin/androidx/annotation/FloatRange(from = 0.0, to = 1.0) https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)` Sets the opacity of the component. | Cmn |

## Public functions

### alpha

Cmn Added in [1.12.0](https://developer.android.com/jetpack/androidx/releases/compose-foundation#1.12.0)

```
fun alpha(value: @FloatRange(from = 0.0, to = 1.0) Float): Unit
```

Sets the opacity of the component. A value of 1.0f means fully opaque, 0.0f means fully transparent.

This property is *not* inherited

| Parameters |
|---|---|
| `value: @https://developer.android.com/reference/kotlin/androidx/annotation/FloatRange(from = 0.0, to = 1.0) https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` | The alpha value (0.0f to 1.0f). |

| See also |
|---|---|
| `https://developer.android.com/reference/kotlin/androidx/compose/ui/draw/alpha.modifier#(androidx.compose.ui.Modifier).alpha(kotlin.Float)` |   |
| `https://developer.android.com/reference/kotlin/androidx/compose/ui/graphics/graphicsLayer.modifier#(androidx.compose.ui.Modifier).graphicsLayer(kotlin.Float,kotlin.Float,kotlin.Float,kotlin.Float,kotlin.Float,kotlin.Float,kotlin.Float,kotlin.Float,kotlin.Float,kotlin.Float,androidx.compose.ui.graphics.TransformOrigin,androidx.compose.ui.graphics.Shape,kotlin.Boolean,androidx.compose.ui.graphics.RenderEffect,androidx.compose.ui.graphics.Color,androidx.compose.ui.graphics.Color,androidx.compose.ui.graphics.CompositingStrategy,androidx.compose.ui.graphics.BlendMode,androidx.compose.ui.graphics.ColorFilter,androidx.compose.ui.graphics.LayerOutsets)` |   |