# OpenMicrophoneRequest

# OpenMicrophoneRequest

Artifact:[androidx.car.app:app](https://developer.android.com/jetpack/androidx/releases/car-app)  
[View Source](https://cs.android.com/search?q=file:androidx/car/app/media/OpenMicrophoneRequest.java+class:androidx.car.app.media.OpenMicrophoneRequest)  
Added in[1.3.0](https://developer.android.com/jetpack/androidx/releases/car-app#1.3.0)

*** ** * ** ***

Kotlin\|[Java](https://developer.android.com/reference/androidx/car/app/media/OpenMicrophoneRequest "View this page in Java")

<br />

```
@CarProtocol
@RequiresCarApi(value = 5)
class OpenMicrophoneRequest
```

<br />

*** ** * ** ***

The request for a call to open microphone.

This is a host-side interface for handling audio callbacks. To record the microphone, use[CarAudioRecord](https://developer.android.com/reference/kotlin/androidx/car/app/media/CarAudioRecord).

## Summary

|                                                                                                                                ### Nested types                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `class `[OpenMicrophoneRequest.Builder](https://developer.android.com/reference/kotlin/androidx/car/app/media/OpenMicrophoneRequest.Builder) A builder for[OpenMicrophoneRequest](https://developer.android.com/reference/kotlin/androidx/car/app/media/OpenMicrophoneRequest). |

|                                                    ### Public functions                                                    |
|----------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [CarAudioCallbackDelegate](https://developer.android.com/reference/kotlin/androidx/car/app/media/CarAudioCallbackDelegate) | [getCarAudioCallbackDelegate](https://developer.android.com/reference/kotlin/androidx/car/app/media/OpenMicrophoneRequest#getCarAudioCallbackDelegate())`()` |

## Public functions

### getCarAudioCallbackDelegate

Added in[1.3.0](https://developer.android.com/jetpack/androidx/releases/car-app#1.3.0)  

```
fun getCarAudioCallbackDelegate(): CarAudioCallbackDelegate
```