Added in [API level 9](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

# EnvironmentalReverb.OnParameterChangeListener

*** ** * ** ***


`
public
static


interface
EnvironmentalReverb.OnParameterChangeListener
`


`


`

|---|
| android.media.audiofx.EnvironmentalReverb.OnParameterChangeListener |

<br />

*** ** * ** ***

The OnParameterChangeListener interface defines a method called by the EnvironmentalReverb
when a parameter value has changed.

## Summary

| ### Public methods ||
|---|---|
| ` abstract void` | ` https://developer.android.com/reference/android/media/audiofx/EnvironmentalReverb.OnParameterChangeListener#onParameterChange(android.media.audiofx.EnvironmentalReverb,%20int,%20int,%20int)(https://developer.android.com/reference/android/media/audiofx/EnvironmentalReverb effect, int status, int param, int value) ` Method called when a parameter value has changed. |

## Public methods

### onParameterChange

Added in [API level 9](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public abstract void onParameterChange (EnvironmentalReverb effect, 
                int status, 
                int param, 
                int value)
```

Method called when a parameter value has changed. The method is called only if the
parameter was changed by another application having the control of the same
EnvironmentalReverb engine.

<br />

| Parameters ||
|---|---|
| `effect` | `EnvironmentalReverb`: the EnvironmentalReverb on which the interface is registered. <br /> |
| `status` | `int`: status of the set parameter operation. <br /> |
| `param` | `int`: ID of the modified parameter. See `https://developer.android.com/reference/android/media/audiofx/EnvironmentalReverb#PARAM_ROOM_LEVEL` ... <br /> |
| `value` | `int`: the new parameter value. <br /> |