# TriggerBuilders.OnVisibleOnceTrigger

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/TriggerBuilders.java+class:androidx.wear.protolayout.TriggerBuilders.OnVisibleOnceTrigger) Added in [1.3.0](https://developer.android.com/jetpack/androidx/releases/wear-protolayout#1.3.0)

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```
@RequiresSchemaVersion(major = 1, minor = 200)
@ProtoLayoutExperimental
public final class TriggerBuilders.OnVisibleOnceTrigger implements TriggerBuilders.Trigger
```

<br />

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Triggers only once when the layout visibility state turns from invisible to fully visible for the first time.

## Summary

| ### Nested types |
|---|
| `public final class https://developer.android.com/reference/androidx/wear/protolayout/TriggerBuilders.OnVisibleOnceTrigger.Builder` Builder for `https://developer.android.com/reference/androidx/wear/protolayout/TriggerBuilders.OnVisibleOnceTrigger`. |

| ### Public methods |
|---|---|
| `boolean` | `https://developer.android.com/reference/androidx/wear/protolayout/TriggerBuilders.OnVisibleOnceTrigger#equals(java.lang.Object)(@https://jspecify.dev/docs/api/org/jspecify/annotations/Nullable.html https://developer.android.com/reference/java/lang/Object.html obj)` |
| `int` | `https://developer.android.com/reference/androidx/wear/protolayout/TriggerBuilders.OnVisibleOnceTrigger#hashCode()()` |
| `@https://jspecify.dev/docs/api/org/jspecify/annotations/NonNull.html https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/wear/protolayout/TriggerBuilders.OnVisibleOnceTrigger#toString()()` |

## Public methods

### equals

```
public boolean equals(@Nullable Object obj)
```

### hashCode

```
public int hashCode()
```

### toString

```
public @NonNull String toString()
```