# NumberPicker.OnValueChangeListener

Added in[API level 11](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)  

# NumberPicker.OnValueChangeListener

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[Kotlin](https://developer.android.com/reference/kotlin/android/widget/NumberPicker.OnValueChangeListener "View this page in Kotlin")\|Java

`
public
static


interface
NumberPicker.OnValueChangeListener
`  
`


`

|---------------------------------------------------|
| android.widget.NumberPicker.OnValueChangeListener |

<br />

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Interface to listen for changes of the current value.

## Summary

|                                                                                                                                                                      ### Public methods                                                                                                                                                                      ||
|------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| ` abstract void` | ` `[onValueChange](https://developer.android.com/reference/android/widget/NumberPicker.OnValueChangeListener#onValueChange(android.widget.NumberPicker,%20int,%20int))`(`[NumberPicker](https://developer.android.com/reference/android/widget/NumberPicker)` picker, int oldVal, int newVal) ` Called upon a change of the current value. |

## Public methods

### onValueChange

Added in[API level 11](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)  

```
public abstract void onValueChange (NumberPicker picker, 
                int oldVal, 
                int newVal)
```

Called upon a change of the current value.

<br />

|                                    Parameters                                    ||
|----------|------------------------------------------------------------------------|
| `picker` | `NumberPicker`: The NumberPicker associated with this listener. <br /> |
| `oldVal` | `int`: The previous value. <br />                                      |
| `newVal` | `int`: The new value. <br />                                           |