# ModifiersBuilders.FadeInTransition

# ModifiersBuilders.FadeInTransition

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

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Kotlin\|[Java](https://developer.android.com/reference/androidx/wear/protolayout/ModifiersBuilders.FadeInTransition "View this page in Java")

<br />

```
@RequiresSchemaVersion(major = 1, minor = 200)
@ProtoLayoutExperimental
class ModifiersBuilders.FadeInTransition
```

<br />

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The fading animation for content transition of an element and its children, from the specified starting alpha to fully visible.

## Summary

|                                                                                                                                                   ### Nested types                                                                                                                                                   |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `class `[ModifiersBuilders.FadeInTransition.Builder](https://developer.android.com/reference/kotlin/androidx/wear/protolayout/ModifiersBuilders.FadeInTransition.Builder) Builder for[FadeInTransition](https://developer.android.com/reference/kotlin/androidx/wear/protolayout/ModifiersBuilders.FadeInTransition) |

|                                                                                          ### Public functions                                                                                          |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [AnimationParameterBuilders.AnimationSpec](https://developer.android.com/reference/kotlin/androidx/wear/protolayout/expression/AnimationParameterBuilders.AnimationSpec)`?`                            | [getAnimationSpec](https://developer.android.com/reference/kotlin/androidx/wear/protolayout/ModifiersBuilders.FadeInTransition#getAnimationSpec())`()` Gets the animation parameters for duration, delay, etc. |
| `@`[FloatRange](https://developer.android.com/reference/kotlin/androidx/annotation/FloatRange)`(from = 0.0, to = 1.0) `[Float](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html) | [getInitialAlpha](https://developer.android.com/reference/kotlin/androidx/wear/protolayout/ModifiersBuilders.FadeInTransition#getInitialAlpha())`()` Gets the starting alpha of the fade in transition.        |
| [String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)                                                                                                                      | [toString](https://developer.android.com/reference/kotlin/androidx/wear/protolayout/ModifiersBuilders.FadeInTransition#toString())`()`                                                                         |

## Public functions

### getAnimationSpec

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

```
fun getAnimationSpec(): AnimationParameterBuilders.AnimationSpec?
```

Gets the animation parameters for duration, delay, etc.  

### getInitialAlpha

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

```
fun getInitialAlpha(): @FloatRange(from = 0.0, to = 1.0) Float
```

Gets the starting alpha of the fade in transition. It should be between 0 and 1. If not set, defaults to fully transparent, i.e. 0.  

### toString

```
fun toString(): String
```