# RecyclerView.SmoothScroller.Action added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) belongs to Maven artifact com.android.support:recyclerview-v7:28.0.0-alpha1 Summary:[Constants](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller.Action#constants)\|[Ctors](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller.Action#pubctors)\|[Methods](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller.Action#pubmethods)\|[Inherited Methods](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller.Action#inhmethods)\|[\[Expand All\]](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller.Action#) # RecyclerView.SmoothScroller.Action | This package is part of the Android[support library](https://developer.android.com/topic/libraries/support-library)which is no longer maintained. The support library has been superseded by[AndroidX](https://developer.android.com/jetpack/androidx)which is part of[Jetpack](https://developer.android.com/jetpack). We recommend using the AndroidX libraries in all new projects. You should also consider[migrating](https://developer.android.com/jetpack/androidx/migrate)existing projects to AndroidX. To find the AndroidX class that maps to this deprecated class, see the AndroidX support library[class mappings](https://developer.android.com/jetpack/androidx/migrate/class-mappings). ` public static class RecyclerView.SmoothScroller.Action ` ` extends Object `` ` |---|--------------------------------------------------------------| | java.lang.Object || | ↳ | android.support.v7.widget.RecyclerView.SmoothScroller.Action |
*** ** * ** *** Holds information about a smooth scroll request by a[RecyclerView.SmoothScroller](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller). ## Summary | ### Constants || |-------|------------------------------------------------------------------------------------------------------------------------------------------------------| | `int` | [UNDEFINED_DURATION](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller.Action#UNDEFINED_DURATION)
| | ### Public constructors || |----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---| | ` `[RecyclerView.SmoothScroller.Action](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller.Action#RecyclerView.SmoothScroller.Action(int, int))`(int dx, int dy) ` | | ` `[RecyclerView.SmoothScroller.Action](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller.Action#RecyclerView.SmoothScroller.Action(int, int, int))`(int dx, int dy, int duration) ` | | ` `[RecyclerView.SmoothScroller.Action](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller.Action#RecyclerView.SmoothScroller.Action(int, int, int, android.view.animation.Interpolator))`(int dx, int dy, int duration, `[Interpolator](https://developer.android.com/reference/android/view/animation/Interpolator.html)` interpolator) ` | | ### Public methods || |-----------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ` int` | ` `[getDuration](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller.Action#getDuration())`() ` | | ` int` | ` `[getDx](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller.Action#getDx())`() ` | | ` int` | ` `[getDy](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller.Action#getDy())`() ` | | ` `[Interpolator](https://developer.android.com/reference/android/view/animation/Interpolator.html) | ` `[getInterpolator](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller.Action#getInterpolator())`() ` | | ` void` | ` `[jumpTo](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller.Action#jumpTo(int))`(int targetPosition) ` Instead of specifying pixels to scroll, use the target position to jump using[scrollToPosition(int)](https://developer.android.com/reference/android/support/v7/widget/RecyclerView#scrollToPosition(int)). | | ` void` | ` `[setDuration](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller.Action#setDuration(int))`(int duration) ` | | ` void` | ` `[setDx](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller.Action#setDx(int))`(int dx) ` | | ` void` | ` `[setDy](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller.Action#setDy(int))`(int dy) ` | | ` void` | ` `[setInterpolator](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller.Action#setInterpolator(android.view.animation.Interpolator))`(`[Interpolator](https://developer.android.com/reference/android/view/animation/Interpolator.html)` interpolator) ` Sets the interpolator to calculate scroll steps | | ` void` | ` `[update](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller.Action#update(int, int, int, android.view.animation.Interpolator))`(int dx, int dy, int duration, `[Interpolator](https://developer.android.com/reference/android/view/animation/Interpolator.html)` interpolator) ` Updates the action with given parameters. | | ### Inherited methods | |-----------------------|---| | [![](https://developer.android.com/static/assets/images/styles/disclosure_down.png)](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller.Action#)From class` java.lang.Object ` |-------------------|-------------------------------| | ` Object` | ` clone() ` | | ` boolean` | ` equals(Object arg0) ` | | ` void` | ` finalize() ` | | ` final Class` | ` getClass() ` | | ` int` | ` hashCode() ` | | ` final void` | ` notify() ` | | ` final void` | ` notifyAll() ` | | ` String` | ` toString() ` | | ` final void` | ` wait(long arg0, int arg1) ` | | ` final void` | ` wait(long arg0) ` | | ` final void` | ` wait() ` | || ## Constants ### UNDEFINED_DURATION added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` int UNDEFINED_DURATION ```

Constant Value: -2147483648 (0x80000000) ## Public constructors ### RecyclerView.SmoothScroller.Action added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` RecyclerView.SmoothScroller.Action (int dx, int dy) ```

| Parameters || |------|---------------------------------------------| | `dx` | `int`: Pixels to scroll horizontally
| | `dy` | `int`: Pixels to scroll vertically
| ### RecyclerView.SmoothScroller.Action added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` RecyclerView.SmoothScroller.Action (int dx, int dy, int duration) ```

| Parameters || |------------|---------------------------------------------------------| | `dx` | `int`: Pixels to scroll horizontally
| | `dy` | `int`: Pixels to scroll vertically
| | `duration` | `int`: Duration of the animation in milliseconds
| ### RecyclerView.SmoothScroller.Action added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` RecyclerView.SmoothScroller.Action (int dx, int dy, int duration, Interpolator interpolator) ```

| Parameters || |----------------|--------------------------------------------------------------------------------------------------------| | `dx` | `int`: Pixels to scroll horizontally
| | `dy` | `int`: Pixels to scroll vertically
| | `duration` | `int`: Duration of the animation in milliseconds
| | `interpolator` | `Interpolator`: Interpolator to be used when calculating scroll position in each animation step
| ## Public methods ### getDuration added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` int getDuration () ```

| Returns || |-------|--------| | `int` |
| ### getDx added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` int getDx () ```

| Returns || |-------|--------| | `int` |
| ### getDy added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` int getDy () ```

| Returns || |-------|--------| | `int` |
| ### getInterpolator added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` Interpolator getInterpolator () ```

| Returns || |--------------------------------------------------------------------------------------------------|--------| | [Interpolator](https://developer.android.com/reference/android/view/animation/Interpolator.html) |
| ### jumpTo added in[version 24.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void jumpTo (int targetPosition) ``` Instead of specifying pixels to scroll, use the target position to jump using[scrollToPosition(int)](https://developer.android.com/reference/android/support/v7/widget/RecyclerView#scrollToPosition(int)). You may prefer using this method if scroll target is really far away and you prefer to jump to a location and smooth scroll afterwards. Note that calling this method takes priority over other update methods such as[update(int, int, int, Interpolator)](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller.Action#update(int, int, int, android.view.animation.Interpolator)),[setX(float)](https://developer.android.com/reference/android/view/View.html#setX(float)),[setY(float)](https://developer.android.com/reference/android/view/View.html#setY(float))and #[setInterpolator(Interpolator)](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller.Action#setInterpolator(android.view.animation.Interpolator)). If you call[jumpTo(int)](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller.Action#jumpTo(int)), the other changes will not be considered for this animation frame.
| Parameters || |------------------|------------------------------------------------------------------------------| | `targetPosition` | `int`: The target item position to scroll to using instant scrolling.
| ### setDuration added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void setDuration (int duration) ```

| Parameters || |------------|--------------| | `duration` | `int`
| ### setDx added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void setDx (int dx) ```

| Parameters || |------|--------------| | `dx` | `int`
| ### setDy added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void setDy (int dy) ```

| Parameters || |------|--------------| | `dy` | `int`
| ### setInterpolator added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void setInterpolator (Interpolator interpolator) ``` Sets the interpolator to calculate scroll steps
| Parameters || |----------------|-----------------------------------------------------------------------------------------------------------------| | `interpolator` | `Interpolator`: The interpolator to use. If you specify an interpolator, you must also set the duration.
| **See also:** - [setDuration(int)](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller.Action#setDuration(int)) ### update added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void update (int dx, int dy, int duration, Interpolator interpolator) ``` Updates the action with given parameters.
| Parameters || |----------------|--------------------------------------------------------------------------------------------------------| | `dx` | `int`: Pixels to scroll horizontally
| | `dy` | `int`: Pixels to scroll vertically
| | `duration` | `int`: Duration of the animation in milliseconds
| | `interpolator` | `Interpolator`: Interpolator to be used when calculating scroll position in each animation step
| - ## Annotations - [RecyclerView.EdgeEffectFactory.EdgeDirection](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.EdgeEffectFactory.EdgeDirection) - [RecyclerView.ItemAnimator.AdapterChanges](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.ItemAnimator.AdapterChanges) - ## Interfaces - [ActionMenuView.OnMenuItemClickListener](https://developer.android.com/reference/android/support/v7/widget/ActionMenuView.OnMenuItemClickListener) - [PopupMenu.OnDismissListener](https://developer.android.com/reference/android/support/v7/widget/PopupMenu.OnDismissListener) - [PopupMenu.OnMenuItemClickListener](https://developer.android.com/reference/android/support/v7/widget/PopupMenu.OnMenuItemClickListener) - [RecyclerView.ChildDrawingOrderCallback](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.ChildDrawingOrderCallback) - [RecyclerView.ItemAnimator.ItemAnimatorFinishedListener](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.ItemAnimator.ItemAnimatorFinishedListener) - [RecyclerView.LayoutManager.LayoutPrefetchRegistry](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.LayoutManager.LayoutPrefetchRegistry) - [RecyclerView.OnChildAttachStateChangeListener](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.OnChildAttachStateChangeListener) - [RecyclerView.OnItemTouchListener](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.OnItemTouchListener) - [RecyclerView.RecyclerListener](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.RecyclerListener) - [RecyclerView.SmoothScroller.ScrollVectorProvider](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller.ScrollVectorProvider) - [SearchView.OnCloseListener](https://developer.android.com/reference/android/support/v7/widget/SearchView.OnCloseListener) - [SearchView.OnQueryTextListener](https://developer.android.com/reference/android/support/v7/widget/SearchView.OnQueryTextListener) - [SearchView.OnSuggestionListener](https://developer.android.com/reference/android/support/v7/widget/SearchView.OnSuggestionListener) - [ShareActionProvider.OnShareTargetSelectedListener](https://developer.android.com/reference/android/support/v7/widget/ShareActionProvider.OnShareTargetSelectedListener) - [ThemedSpinnerAdapter](https://developer.android.com/reference/android/support/v7/widget/ThemedSpinnerAdapter) - [Toolbar.OnMenuItemClickListener](https://developer.android.com/reference/android/support/v7/widget/Toolbar.OnMenuItemClickListener) - ## Classes - [ActionMenuView](https://developer.android.com/reference/android/support/v7/widget/ActionMenuView) - [ActionMenuView.LayoutParams](https://developer.android.com/reference/android/support/v7/widget/ActionMenuView.LayoutParams) - [AppCompatAutoCompleteTextView](https://developer.android.com/reference/android/support/v7/widget/AppCompatAutoCompleteTextView) - [AppCompatButton](https://developer.android.com/reference/android/support/v7/widget/AppCompatButton) - [AppCompatCheckBox](https://developer.android.com/reference/android/support/v7/widget/AppCompatCheckBox) - [AppCompatCheckedTextView](https://developer.android.com/reference/android/support/v7/widget/AppCompatCheckedTextView) - [AppCompatEditText](https://developer.android.com/reference/android/support/v7/widget/AppCompatEditText) - [AppCompatImageButton](https://developer.android.com/reference/android/support/v7/widget/AppCompatImageButton) - [AppCompatImageView](https://developer.android.com/reference/android/support/v7/widget/AppCompatImageView) - [AppCompatMultiAutoCompleteTextView](https://developer.android.com/reference/android/support/v7/widget/AppCompatMultiAutoCompleteTextView) - [AppCompatRadioButton](https://developer.android.com/reference/android/support/v7/widget/AppCompatRadioButton) - [AppCompatRatingBar](https://developer.android.com/reference/android/support/v7/widget/AppCompatRatingBar) - [AppCompatSeekBar](https://developer.android.com/reference/android/support/v7/widget/AppCompatSeekBar) - [AppCompatSpinner](https://developer.android.com/reference/android/support/v7/widget/AppCompatSpinner) - [AppCompatTextView](https://developer.android.com/reference/android/support/v7/widget/AppCompatTextView) - [CardView](https://developer.android.com/reference/android/support/v7/widget/CardView) - [DefaultItemAnimator](https://developer.android.com/reference/android/support/v7/widget/DefaultItemAnimator) - [DividerItemDecoration](https://developer.android.com/reference/android/support/v7/widget/DividerItemDecoration) - [GridLayout](https://developer.android.com/reference/android/support/v7/widget/GridLayout) - [GridLayout.Alignment](https://developer.android.com/reference/android/support/v7/widget/GridLayout.Alignment) - [GridLayout.LayoutParams](https://developer.android.com/reference/android/support/v7/widget/GridLayout.LayoutParams) - [GridLayout.Spec](https://developer.android.com/reference/android/support/v7/widget/GridLayout.Spec) - [GridLayoutManager](https://developer.android.com/reference/android/support/v7/widget/GridLayoutManager) - [GridLayoutManager.DefaultSpanSizeLookup](https://developer.android.com/reference/android/support/v7/widget/GridLayoutManager.DefaultSpanSizeLookup) - [GridLayoutManager.LayoutParams](https://developer.android.com/reference/android/support/v7/widget/GridLayoutManager.LayoutParams) - [GridLayoutManager.SpanSizeLookup](https://developer.android.com/reference/android/support/v7/widget/GridLayoutManager.SpanSizeLookup) - [LinearLayoutCompat](https://developer.android.com/reference/android/support/v7/widget/LinearLayoutCompat) - [LinearLayoutCompat.LayoutParams](https://developer.android.com/reference/android/support/v7/widget/LinearLayoutCompat.LayoutParams) - [LinearLayoutManager](https://developer.android.com/reference/android/support/v7/widget/LinearLayoutManager) - [LinearLayoutManager.LayoutChunkResult](https://developer.android.com/reference/android/support/v7/widget/LinearLayoutManager.LayoutChunkResult) - [LinearSmoothScroller](https://developer.android.com/reference/android/support/v7/widget/LinearSmoothScroller) - [LinearSnapHelper](https://developer.android.com/reference/android/support/v7/widget/LinearSnapHelper) - [ListPopupWindow](https://developer.android.com/reference/android/support/v7/widget/ListPopupWindow) - [OrientationHelper](https://developer.android.com/reference/android/support/v7/widget/OrientationHelper) - [PagerSnapHelper](https://developer.android.com/reference/android/support/v7/widget/PagerSnapHelper) - [PopupMenu](https://developer.android.com/reference/android/support/v7/widget/PopupMenu) - [RecyclerView](https://developer.android.com/reference/android/support/v7/widget/RecyclerView) - [RecyclerView.Adapter](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.Adapter) - [RecyclerView.AdapterDataObserver](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.AdapterDataObserver) - [RecyclerView.EdgeEffectFactory](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.EdgeEffectFactory) - [RecyclerView.ItemAnimator](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.ItemAnimator) - [RecyclerView.ItemAnimator.ItemHolderInfo](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.ItemAnimator.ItemHolderInfo) - [RecyclerView.ItemDecoration](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.ItemDecoration) - [RecyclerView.LayoutManager](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.LayoutManager) - [RecyclerView.LayoutManager.Properties](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.LayoutManager.Properties) - [RecyclerView.LayoutParams](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.LayoutParams) - [RecyclerView.OnFlingListener](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.OnFlingListener) - [RecyclerView.OnScrollListener](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.OnScrollListener) - [RecyclerView.RecycledViewPool](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.RecycledViewPool) - [RecyclerView.Recycler](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.Recycler) - [RecyclerView.SimpleOnItemTouchListener](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SimpleOnItemTouchListener) - [RecyclerView.SmoothScroller](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller) - [RecyclerView.SmoothScroller.Action](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller.Action) - [RecyclerView.State](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.State) - [RecyclerView.ViewCacheExtension](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.ViewCacheExtension) - [RecyclerView.ViewHolder](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.ViewHolder) - [RecyclerViewAccessibilityDelegate](https://developer.android.com/reference/android/support/v7/widget/RecyclerViewAccessibilityDelegate) - [RecyclerViewAccessibilityDelegate.ItemDelegate](https://developer.android.com/reference/android/support/v7/widget/RecyclerViewAccessibilityDelegate.ItemDelegate) - [SearchView](https://developer.android.com/reference/android/support/v7/widget/SearchView) - [ShareActionProvider](https://developer.android.com/reference/android/support/v7/widget/ShareActionProvider) - [SimpleItemAnimator](https://developer.android.com/reference/android/support/v7/widget/SimpleItemAnimator) - [SnapHelper](https://developer.android.com/reference/android/support/v7/widget/SnapHelper) - [StaggeredGridLayoutManager](https://developer.android.com/reference/android/support/v7/widget/StaggeredGridLayoutManager) - [StaggeredGridLayoutManager.LayoutParams](https://developer.android.com/reference/android/support/v7/widget/StaggeredGridLayoutManager.LayoutParams) - [SwitchCompat](https://developer.android.com/reference/android/support/v7/widget/SwitchCompat) - [ThemedSpinnerAdapter.Helper](https://developer.android.com/reference/android/support/v7/widget/ThemedSpinnerAdapter.Helper) - [Toolbar](https://developer.android.com/reference/android/support/v7/widget/Toolbar) - [Toolbar.LayoutParams](https://developer.android.com/reference/android/support/v7/widget/Toolbar.LayoutParams) - [Toolbar.SavedState](https://developer.android.com/reference/android/support/v7/widget/Toolbar.SavedState) - [TooltipCompat](https://developer.android.com/reference/android/support/v7/widget/TooltipCompat)