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

# PresetReverb.OnParameterChangeListener

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` public static interface PresetReverb.OnParameterChangeListener `   
` `

|---|
| android.media.audiofx.PresetReverb.OnParameterChangeListener |

<br />

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

## Summary

| ### Public methods ||
|---|---|
| ` abstract void` | ` https://developer.android.com/reference/android/media/audiofx/PresetReverb.OnParameterChangeListener#onParameterChange(android.media.audiofx.PresetReverb,%20int,%20int,%20short)(https://developer.android.com/reference/android/media/audiofx/PresetReverb effect, int status, int param, short 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 (PresetReverb effect, 
                int status, 
                int param, 
                short 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 PresetReverb engine.

<br />

| Parameters ||
|---|---|
| `effect` | `PresetReverb`: the PresetReverb 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/PresetReverb#PARAM_PRESET` ... <br /> |
| `value` | `short`: the new parameter value. <br /> |