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GridViewPager.OnPageChangeListener

public static interface GridViewPager.OnPageChangeListener

android.support.wearable.view.GridViewPager.OnPageChangeListener
Known Indirect Subclasses


Callback interface for responding to changing state of the selected page.

Summary

Public methods

abstract void onPageScrollStateChanged(int state)

Called when the scroll state changes.

abstract void onPageScrolled(int row, int column, float rowOffset, float columnOffset, int rowOffsetPixels, int columnOffsetPixels)

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.

abstract void onPageSelected(int row, int column)

This method is called when a new page becomes selected.

Public methods

onPageScrollStateChanged

void onPageScrollStateChanged (int state)

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.

Parameters
state int: The new scroll state.

See also:

onPageScrolled

void onPageScrolled (int row, 
                int column, 
                float rowOffset, 
                float columnOffset, 
                int rowOffsetPixels, 
                int columnOffsetPixels)

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.

Parameters
row int: Vertical position index of the new selected page row position+1 will be visible if positionOffset is nonzero

column int: Horizontal position index of the new selected page

rowOffset float: Value from [0, 1) indicating the offset from the row

columnOffset float: Value from [0, 1) indicating the offset from the column

rowOffsetPixels int: Value in pixels indicating the offset from row

columnOffsetPixels int: Value in pixels indicating the offset from column

onPageSelected

void onPageSelected (int row, 
                int column)

This method is called when a new page becomes selected. The page may still be settling into final position.

Parameters
row int: Vertical position index of the new selected page

column int: Horizontal position index of the new selected page

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