# androidx.test.orchestrator.callback

# androidx.test.orchestrator.callback

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Kotlin\|[Java](https://developer.android.com/reference/androidx/test/orchestrator/callback/package-summary "View this page in Java")

## Interfaces

|---------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------|
| [OrchestratorCallback](https://developer.android.com/reference/kotlin/androidx/test/orchestrator/callback/OrchestratorCallback) | Defines an interface for remote Instrumentation service to speak to the AndroidTestOrchestrator |

## Classes

|-------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------|
| [OrchestratorCallback.Default](https://developer.android.com/reference/kotlin/androidx/test/orchestrator/callback/OrchestratorCallback.Default) | Default implementation for OrchestratorCallback. |
| [OrchestratorCallback.Stub](https://developer.android.com/reference/kotlin/androidx/test/orchestrator/callback/OrchestratorCallback.Stub)       | Local-side IPC implementation stub class.        |