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
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onPageScrollStateChanged(int state)
Called when the scroll state changes. |
abstract
void
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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
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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. |
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
|