# ExperimentalInertialTrackingApi

Artifact: [androidx.xr.runtime:runtime](https://developer.android.com/jetpack/androidx/releases/xr-runtime) [View Source](https://cs.android.com/search?q=file:androidx/xr/runtime/ExperimentalInertialTrackingApi.kt+class:androidx.xr.runtime.ExperimentalInertialTrackingApi) Added in [1.0.0](https://developer.android.com/jetpack/androidx/releases/xr-runtime#1.0.0)

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```
@RequiresOptIn(message = "This is an experimental API. It may be changed or removed in the future.")
@Target(allowedTargets = [AnnotationTarget.CLASS, AnnotationTarget.FUNCTION, AnnotationTarget.PROPERTY, AnnotationTarget.FIELD])
@Retention(value = AnnotationRetention.BINARY)
public annotation ExperimentalInertialTrackingApi
```

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Marks declarations that are part of the experimental inertial tracking API.

Any usage of a declaration annotated with `@ExperimentalInertialTrackingApi` must be accepted either by annotating that usage with `@OptIn(ExperimentalInertialTrackingApi::class)` or by propagating the annotation to the caller with `@ExperimentalInertialTrackingApi`.