# SpatialAnnotationId

Artifact: [androidx.xr.arcore:arcore](https://developer.android.com/jetpack/androidx/releases/xr-arcore) [View Source](https://cs.android.com/search?q=file:androidx/xr/arcore/SpatialAnnotationId.kt+class:androidx.xr.arcore.SpatialAnnotationId) Added in [1.1.0-alpha01](https://developer.android.com/jetpack/androidx/releases/xr-arcore#1.1.0-alpha01)

*** ** * ** ***


```
@ExperimentalSpatialAnnotationsApi
class SpatialAnnotationId
```

<br />

*** ** * ** ***

A strongly-typed identifier mapped to a requested `https://developer.android.com/reference/kotlin/androidx/xr/arcore/SpatialAnnotation`.

## Summary

| ### Public companion functions |
|---|---|
| `https://developer.android.com/reference/kotlin/androidx/xr/arcore/SpatialAnnotationId` | `https://developer.android.com/reference/kotlin/androidx/xr/arcore/SpatialAnnotationId#fromString(kotlin.String)(value: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)` Creates a `https://developer.android.com/reference/kotlin/androidx/xr/arcore/SpatialAnnotationId` from a string. |

| ### Public functions |
|---|---|
| `open operator https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html` | `https://developer.android.com/reference/kotlin/androidx/xr/arcore/SpatialAnnotationId#equals(kotlin.Any)(other: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html?)` |
| `open https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` | `https://developer.android.com/reference/kotlin/androidx/xr/arcore/SpatialAnnotationId#hashCode()()` |
| `open https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html` | `https://developer.android.com/reference/kotlin/androidx/xr/arcore/SpatialAnnotationId#toString()()` |

## Public companion functions

### fromString

Added in [1.1.0-alpha01](https://developer.android.com/jetpack/androidx/releases/xr-arcore#1.1.0-alpha01)

```
fun fromString(value: String): SpatialAnnotationId
```

Creates a `https://developer.android.com/reference/kotlin/androidx/xr/arcore/SpatialAnnotationId` from a string.

| Parameters |
|---|---|
| `value: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html` | the string value of the `https://developer.android.com/reference/kotlin/androidx/xr/arcore/SpatialAnnotationId` |

| Returns |
|---|---|
| `https://developer.android.com/reference/kotlin/androidx/xr/arcore/SpatialAnnotationId` | a `https://developer.android.com/reference/kotlin/androidx/xr/arcore/SpatialAnnotationId` with the given value |

| Throws |
|---|---|
| `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-illegal-argument-exception/index.html` | if the value is empty |

## Public functions

### equals

```
open operator fun equals(other: Any?): Boolean
```

### hashCode

```
open fun hashCode(): Int
```

### toString

```
open fun toString(): String
```