# GridPageOptions.BackgroundListener

`public static interface GridPageOptions.BackgroundListener`
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android.support.wearable.view.GridPageOptions.BackgroundListener

Interface for communicating background changes to a listener.

## Summary

### Public methods
`abstract void` | `notifyBackgroundChanged()` Notifies the container about a change to the background.

## Public methods

### notifyBackgroundChanged

    void notifyBackgroundChanged ()

Notifies the container about a change to the background. When necessary, `getBackground()` will be called again for this page to update the background.

- ## 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