co.lemnisk.app.android.carousel.Tricks

Class ViewPagerEx.SimpleOnPageChangeListener

java.lang.Object

co.lemnisk.app.android.carousel.Tricks.ViewPagerEx.SimpleOnPageChangeListener

All Implemented Interfaces:

ViewPagerEx.OnPageChangeListener

Enclosing class:

ViewPagerEx

public static class ViewPagerEx.SimpleOnPageChangeListener
extends java.lang.Object
implements ViewPagerEx.OnPageChangeListener

Simple implementation of the ViewPagerEx.OnPageChangeListener interface with stub implementations of each method. Extend this if you do not intend to override every method of ViewPagerEx.OnPageChangeListener.

Constructor Summary

Constructors

Constructor and Description
SimpleOnPageChangeListener()

Method Summary

Modifier and Type	Method and Description
void	onPageScrolled(int position, float positionOffset, int positionOffsetPixels) This method will be invoked when the current page is scrolled, either as part of a programmatically initiated smooth scroll or a user initiated touch scroll.
void	onPageScrollStateChanged(int state) Called when the scroll state changes.
void	onPageSelected(int position) This method will be invoked when a new page becomes selected.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SimpleOnPageChangeListener

public SimpleOnPageChangeListener()

Method Detail

onPageScrolled

public void onPageScrolled(int position,
                           float positionOffset,
                           int positionOffsetPixels)

Description copied from interface: ViewPagerEx.OnPageChangeListener

This method will be invoked when the current page is scrolled, either as part of a programmatically initiated smooth scroll or a user initiated touch scroll.

Specified by:

onPageScrolled in interface ViewPagerEx.OnPageChangeListener

Parameters:

position - Position index of the first page currently being displayed. Page position+1 will be visible if positionOffset is nonzero.

positionOffset - Value from [0, 1) indicating the offset from the page at position.

positionOffsetPixels - Value in pixels indicating the offset from position.

onPageSelected

public void onPageSelected(int position)

Description copied from interface: ViewPagerEx.OnPageChangeListener

This method will be invoked when a new page becomes selected. Animation is not necessarily complete.

Specified by:

onPageSelected in interface ViewPagerEx.OnPageChangeListener

Parameters:

position - Position index of the new selected page.

onPageScrollStateChanged

public void onPageScrollStateChanged(int state)

Description copied from interface: ViewPagerEx.OnPageChangeListener

Called when the scroll state changes. Useful for discovering when the user begins dragging, when the pager is automatically settling to the current page, or when it is fully stopped/idle.

Specified by:

onPageScrollStateChanged in interface ViewPagerEx.OnPageChangeListener

Parameters:

state - The new scroll state.

See Also:

ViewPagerEx.SCROLL_STATE_IDLE, ViewPagerEx.SCROLL_STATE_DRAGGING, ViewPagerEx.SCROLL_STATE_SETTLING