Summary: Methods | [Expand All]

# GridViewPager.OnPageChangeListener

`public static interface GridViewPager.OnPageChangeListener`
``

android.support.wearable.view.GridViewPager.OnPageChangeListener

Known Indirect Subclasses DotsPageIndicator
DotsPageIndicator | A page indicator for `GridViewPager` which identifies the current page in relation to all available pages on the current row.

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:

- `SCROLL_STATE_IDLE`
- `SCROLL_STATE_DRAGGING`
- `SCROLL_STATE_SETTLING`

### 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

- ## Interfaces

  - ActionChooserView.ActionChooserListener
  - DelayedConfirmationView.DelayedConfirmationListener
  - GridPageOptions
  - GridPageOptions.BackgroundListener
  - GridViewPager.OnAdapterChangeListener
  - GridViewPager.OnPageChangeListener
  - WatchViewStub.OnLayoutInflatedListener
  - WearableListView.ClickListener
  - WearableListView.OnCenterProximityListener
  - WearableListView.OnCentralPositionChangedListener
  - WearableListView.OnScrollListener

- ## Classes

  - ActionChooserView
  - ActionLabel
  - ActionPage
  - BoxInsetLayout
  - BoxInsetLayout.LayoutParams
  - CardFragment
  - CardFrame
  - CardScrollView
  - CircledImageView
  - CircularButton
  - CrossfadeDrawable
  - DelayedConfirmationView
  - DismissOverlayView
  - DotsPageIndicator
  - FragmentGridPagerAdapter
  - GridPagerAdapter
  - GridViewPager
  - GridViewPager.LayoutParams
  - ProgressSpinner
  - SimpleAnimatorListener
  - WatchViewStub
  - WearableFrameLayout
  - WearableFrameLayout.LayoutParams
  - WearableListView
  - WearableListView.Adapter
  - WearableListView.ViewHolder