SmoothScroller unspecified API

```
public abstract class RecyclerView.SmoothScroller

                    
```
Base class for smooth scrolling. Handles basic tracking of the target view position andprovides methods to trigger a programmatic scroll.
An instance of SmoothScroller is only intended to be used once. You should create a newinstance for each call to startSmoothScroll.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`public class`	`RecyclerView.SmoothScroller.Action`	Holds information about a smooth scroll request by a SmoothScroller.
`public interface`	`RecyclerView.SmoothScroller.ScrollVectorProvider`	An interface which is optionally implemented by custom LayoutManager to provide a hint to a SmoothScroller about the location of the target position.

Constructor Summary

Constructors
Constructor	Description
`RecyclerView.SmoothScroller()`

Method Summary

Modifier and Type	Method	Description
`void`	`setTargetPosition(int targetPosition)`
`PointF`	`computeScrollVectorForPosition(int targetPosition)`	Compute the scroll vector for a given target position.
`RecyclerView.LayoutManager`	`getLayoutManager()`
`boolean`	`isPendingInitialRun()`	Returns true if SmoothScroller has been started but has not received the firstanimationcallback yet.
`boolean`	`isRunning()`
`int`	`getTargetPosition()`	Returns the adapter position of the target item
`int`	`getChildPosition(View view)`
`int`	`getChildCount()`
`View`	`findViewByPosition(int position)`
`void`	`instantScrollToPosition(int position)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - RecyclerView.SmoothScroller
```
RecyclerView.SmoothScroller()
```
- Method Detail
  - setTargetPosition
```
 void setTargetPosition(int targetPosition)
```
  - computeScrollVectorForPosition
```
@Nullable() PointF computeScrollVectorForPosition(int targetPosition)
```
    Compute the scroll vector for a given target position.
    This method can return null if the layout manager cannot calculate a scroll vectorfor the given position (e.g. it has no current scroll position).
    
    Parameters:
    
    targetPosition - the position to which the scroller is scrolling
  - getLayoutManager
```
@Nullable() RecyclerView.LayoutManager getLayoutManager()
```
  - isPendingInitialRun
```
 boolean isPendingInitialRun()
```
    Returns true if SmoothScroller has been started but has not received the firstanimationcallback yet.
  - isRunning
```
 boolean isRunning()
```
  - getTargetPosition
```
 int getTargetPosition()
```
    Returns the adapter position of the target item
  - getChildPosition
```
 int getChildPosition(View view)
```
  - getChildCount
```
 int getChildCount()
```
  - findViewByPosition
```
 View findViewByPosition(int position)
```
  - instantScrollToPosition
```
@Deprecated() void instantScrollToPosition(int position)
```