Skip to content

Most visited

Recently visited

navigation

ListViewAutoScrollHelper

public class ListViewAutoScrollHelper
extends AutoScrollHelper

java.lang.Object
   ↳ android.support.v4.widget.AutoScrollHelper
     ↳ android.support.v4.widget.ListViewAutoScrollHelper


An implementation of AutoScrollHelper that knows how to scroll through a ListView.

Summary

Inherited constants

From class android.support.v4.widget.AutoScrollHelper

Public constructors

ListViewAutoScrollHelper(ListView target)

Public methods

boolean canTargetScrollHorizontally(int direction)

Override this method to return whether the target view can be scrolled horizontally in a certain direction.

boolean canTargetScrollVertically(int direction)

Override this method to return whether the target view can be scrolled vertically in a certain direction.

void scrollTargetBy(int deltaX, int deltaY)

Override this method to scroll the target view by the specified number of pixels.

Inherited methods

From class android.support.v4.widget.AutoScrollHelper
From class java.lang.Object
From interface android.view.View.OnTouchListener

Public constructors

ListViewAutoScrollHelper

ListViewAutoScrollHelper (ListView target)

Parameters
target ListView

Public methods

canTargetScrollHorizontally

boolean canTargetScrollHorizontally (int direction)

Override this method to return whether the target view can be scrolled horizontally in a certain direction.

Parameters
direction int: Negative to check scrolling left, positive to check scrolling right.
Returns
boolean true if the target view is able to horizontally scroll in the specified direction.

canTargetScrollVertically

boolean canTargetScrollVertically (int direction)

Override this method to return whether the target view can be scrolled vertically in a certain direction.

Parameters
direction int: Negative to check scrolling up, positive to check scrolling down.
Returns
boolean true if the target view is able to vertically scroll in the specified direction.

scrollTargetBy

void scrollTargetBy (int deltaX, 
                int deltaY)

Override this method to scroll the target view by the specified number of pixels.

Parameters
deltaX int: The number of pixels to scroll by horizontally.
deltaY int: The number of pixels to scroll by vertically.
This site uses cookies to store your preferences for site-specific language and display options.

Hooray!

This class requires API level or higher

This doc is hidden because your selected API level for the documentation is . You can change the documentation API level with the selector above the left navigation.

For more information about specifying the API level your app requires, read Supporting Different Platform Versions.