Added in API level 11

OnScrollListener

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Kotlin |Java

interface OnScrollListener

android.widget.NumberPicker.OnScrollListener

Interface to listen for the picker scroll state.

Summary

Constants
static Int	SCROLL_STATE_FLING The user had previously been scrolling using touch and performed a fling.
static Int	SCROLL_STATE_IDLE The view is not scrolling.
static Int	SCROLL_STATE_TOUCH_SCROLL The user is scrolling using touch, and their finger is still on the screen.

Public methods
abstract Unit	onScrollStateChange(view: NumberPicker!, scrollState: Int) Callback invoked while the number picker scroll state has changed.

Constants

SCROLL_STATE_FLING

Added in API level 11

static val SCROLL_STATE_FLING: Int

The user had previously been scrolling using touch and performed a fling.

Value: 2

SCROLL_STATE_IDLE

Added in API level 11

static val SCROLL_STATE_IDLE: Int

The view is not scrolling.

Value: 0

SCROLL_STATE_TOUCH_SCROLL

Added in API level 11

static val SCROLL_STATE_TOUCH_SCROLL: Int

The user is scrolling using touch, and their finger is still on the screen.

Value: 1

Public methods

onScrollStateChange

Added in API level 11

abstract fun onScrollStateChange(
    view: NumberPicker!, 
    scrollState: Int
): Unit

Callback invoked while the number picker scroll state has changed.

Parameters
view	NumberPicker!: The view whose scroll state is being reported.
scrollState	Int: The current scroll state. One of SCROLL_STATE_IDLE, SCROLL_STATE_TOUCH_SCROLL or SCROLL_STATE_IDLE. Value is android.widget.NumberPicker.OnScrollListener#SCROLL_STATE_IDLE, android.widget.NumberPicker.OnScrollListener#SCROLL_STATE_TOUCH_SCROLL, or android.widget.NumberPicker.OnScrollListener#SCROLL_STATE_FLING