added in version 22.1.0
belongs to Maven artifact com.android.support:leanback-v17:28.0.0-alpha1

Summary: Inherited Constants | Ctors | Methods | Inherited Methods | [Expand All]

ArrayObjectAdapter

This package is part of the Android support library which is no longer maintained. The support library has been superseded by AndroidX which is part of Jetpack. We recommend using the AndroidX libraries in all new projects. You should also consider migrating existing projects to AndroidX. To find the AndroidX class that maps to this deprecated class, see the AndroidX support library class mappings.

public class ArrayObjectAdapter
extends ObjectAdapter

java.lang.Object
↳	android.support.v17.leanback.widget.ObjectAdapter
	↳	android.support.v17.leanback.widget.ArrayObjectAdapter

---

An ObjectAdapter implemented with an ArrayList.

Summary

Inherited constants
From class android.support.v17.leanback.widget.ObjectAdapter int NO_ID Indicates that an id has not been set.

Public constructors
ArrayObjectAdapter(PresenterSelector presenterSelector) Constructs an adapter with the given PresenterSelector.
ArrayObjectAdapter(Presenter presenter) Constructs an adapter that uses the given Presenter for all items.
ArrayObjectAdapter() Constructs an adapter.

Public methods
void	add(Object item) Adds an item to the end of the adapter.
void	add(int index, Object item) Inserts an item into this adapter at the specified index.
void	addAll(int index, Collection items) Adds the objects in the given collection to the adapter, starting at the given index.
void	clear() Removes all items from this adapter, leaving it empty.
Object	get(int index) Returns the item for the given position.
int	indexOf(Object item) Returns the index for the first occurrence of item in the adapter, or -1 if not found.
boolean	isImmediateNotifySupported() Returns true if the adapter pairs each underlying data change with a call to notify and false otherwise.
void	move(int fromPosition, int toPosition) Moved the item at fromPosition to toPosition.
void	notifyArrayItemRangeChanged(int positionStart, int itemCount) Notify that the content of a range of items changed.
boolean	remove(Object item) Removes the first occurrence of the given item from the adapter.
int	removeItems(int position, int count) Removes a range of items from the adapter.
void	replace(int position, Object item) Replaces item at position with a new item and calls notifyItemRangeChanged() at the given position.
void	setItems(List itemList, DiffCallback callback) Set a new item list to adapter.
int	size() Returns the number of items in the adapter.
<E> List<E>	unmodifiableList() Gets a read-only view of the list of object of this ArrayObjectAdapter.

Inherited methods
From class android.support.v17.leanback.widget.ObjectAdapter abstract Object get(int position) Returns the item for the given position. long getId(int position) Returns the id for the given position. final Presenter getPresenter(Object item) Returns the Presenter for the given item from the adapter. final PresenterSelector getPresenterSelector() Returns the presenter selector for this ObjectAdapter. final boolean hasStableIds() Returns true if the item ids are stable across changes to the underlying data. boolean isImmediateNotifySupported() Returns true if the adapter pairs each underlying data change with a call to notify and false otherwise. final void notifyChanged() Notifies UI that the underlying data has changed. final void notifyItemMoved(int fromPosition, int toPosition) Notifies UI that item at fromPosition has been moved to toPosition. final void notifyItemRangeChanged(int positionStart, int itemCount, Object payload) Notifies UI that some items has changed. final void notifyItemRangeChanged(int positionStart, int itemCount) Notifies UI that some items has changed. final void notifyItemRangeInserted(int positionStart, int itemCount) Notifies UI that new items has been inserted. final void notifyItemRangeRemoved(int positionStart, int itemCount) Notifies UI that some items that has been removed. void onHasStableIdsChanged() Called when setHasStableIds(boolean) is called and the status of stable ids has changed. void onPresenterSelectorChanged() Called when setPresenterSelector(PresenterSelector) is called and the PresenterSelector differs from the previous one. final void registerObserver(ObjectAdapter.DataObserver observer) Registers a DataObserver for data change notifications. final void setHasStableIds(boolean hasStableIds) Sets whether the item ids are stable across changes to the underlying data. final void setPresenterSelector(PresenterSelector presenterSelector) Sets the presenter selector. abstract int size() Returns the number of items in the adapter. final void unregisterAllObservers() Unregisters all DataObservers for this ObjectAdapter. final void unregisterObserver(ObjectAdapter.DataObserver observer) Unregisters a DataObserver for data change notifications.
From class java.lang.Object Object clone() boolean equals(Object arg0) void finalize() final Class<?> getClass() int hashCode() final void notify() final void notifyAll() String toString() final void wait(long arg0, int arg1) final void wait(long arg0) final void wait()

Public constructors

ArrayObjectAdapter

added in version 22.1.0

ArrayObjectAdapter (PresenterSelector presenterSelector)

Constructs an adapter with the given PresenterSelector.

Parameters
presenterSelector	PresenterSelector

ArrayObjectAdapter

added in version 22.1.0

ArrayObjectAdapter (Presenter presenter)

Constructs an adapter that uses the given Presenter for all items.

Parameters
presenter	Presenter

ArrayObjectAdapter

added in version 22.1.0

ArrayObjectAdapter ()

Constructs an adapter.

Public methods

add

added in version 22.1.0

void add (Object item)

Adds an item to the end of the adapter.

Parameters
item	Object: The item to add to the end of the adapter.

add

added in version 22.1.0

void add (int index, 
                Object item)

Inserts an item into this adapter at the specified index. If the index is > size() an exception will be thrown.

Parameters
index	int: The index at which the item should be inserted.
item	Object: The item to insert into the adapter.

addAll

added in version 22.1.0

void addAll (int index, 
                Collection items)

Adds the objects in the given collection to the adapter, starting at the given index. If the index is >= size() an exception will be thrown.

Parameters
index	int: The index at which the items should be inserted.
items	Collection: A Collection of items to insert.

clear

added in version 22.1.0

void clear ()

Removes all items from this adapter, leaving it empty.

get

added in version 22.1.0

Object get (int index)

Returns the item for the given position.

Parameters
index	int

Returns
Object

indexOf

added in version 22.1.0

int indexOf (Object item)

Returns the index for the first occurrence of item in the adapter, or -1 if not found.

Parameters
item	Object: The item to find in the list.

Returns
int	Index of the first occurrence of the item in the adapter, or -1 if not found.

isImmediateNotifySupported

added in version 25.1.0

boolean isImmediateNotifySupported ()

Returns true if the adapter pairs each underlying data change with a call to notify and false otherwise.

Returns
boolean

move

added in version 27.1.0

void move (int fromPosition, 
                int toPosition)

Moved the item at fromPosition to toPosition.

Parameters
fromPosition	int: Previous position of the item.
toPosition	int: New position of the item.

notifyArrayItemRangeChanged

added in version 22.1.0

void notifyArrayItemRangeChanged (int positionStart, 
                int itemCount)

Notify that the content of a range of items changed. Note that this is not same as items being added or removed.

Parameters
positionStart	int: The position of first item that has changed.
itemCount	int: The count of how many items have changed.

remove

added in version 22.1.0

boolean remove (Object item)

Removes the first occurrence of the given item from the adapter.

Parameters
item	Object: The item to remove from the adapter.

Returns
boolean	True if the item was found and thus removed from the adapter.

removeItems

added in version 22.1.0

int removeItems (int position, 
                int count)

Removes a range of items from the adapter. The range is specified by giving the starting position and the number of elements to remove.

Parameters
position	int: The index of the first item to remove.
count	int: The number of items to remove.

Returns
int	The number of items removed.

replace

added in version 22.1.0

void replace (int position, 
                Object item)

Replaces item at position with a new item and calls notifyItemRangeChanged() at the given position. Note that this method does not compare new item to existing item.

Parameters
position	int: The index of item to replace.
item	Object: The new item to be placed at given position.

setItems

added in version 27.1.0

void setItems (List itemList, 
                DiffCallback callback)

Set a new item list to adapter. The DiffUtil will compute the difference and dispatch it to specified position.

Parameters
itemList	List: List of new Items
callback	DiffCallback: Optional DiffCallback Object to compute the difference between the old data set and new data set. When null, notifyChanged() will be fired.

size

added in version 22.1.0

int size ()

Returns the number of items in the adapter.

Returns
int

unmodifiableList

added in version 22.1.0

List<E> unmodifiableList ()

Gets a read-only view of the list of object of this ArrayObjectAdapter.

Returns
List<E>

• Interfaces

  • BaseGridView.OnKeyInterceptListener
  • BaseGridView.OnMotionInterceptListener
  • BaseGridView.OnTouchInterceptListener
  • BaseGridView.OnUnhandledKeyListener
  • BaseOnItemViewClickedListener
  • BaseOnItemViewSelectedListener
  • BrowseFrameLayout.OnChildFocusListener
  • BrowseFrameLayout.OnFocusSearchListener
  • FacetProvider
  • FacetProviderAdapter
  • FocusHighlight
  • FragmentAnimationProvider
  • ImeKeyMonitor
  • ImeKeyMonitor.ImeKeyListener
  • MultiActionsProvider
  • OnActionClickedListener
  • OnChildLaidOutListener
  • OnChildSelectedListener
  • OnItemViewClickedListener
  • OnItemViewSelectedListener
  • PlaybackSeekUi
  • SearchBar.SearchBarListener
  • SearchBar.SearchBarPermissionListener
  • SearchEditText.OnKeyboardDismissListener
  • SpeechRecognitionCallback
  • TitleViewAdapter.Provider
  • ViewHolderTask

• Classes

  • AbstractDetailsDescriptionPresenter
  • AbstractDetailsDescriptionPresenter.ViewHolder
  • AbstractMediaItemPresenter
  • AbstractMediaItemPresenter.ViewHolder
  • AbstractMediaListHeaderPresenter
  • AbstractMediaListHeaderPresenter.ViewHolder
  • Action
  • ArrayObjectAdapter
  • BaseCardView
  • BaseCardView.LayoutParams
  • BaseGridView
  • BrowseFrameLayout
  • ClassPresenterSelector
  • ControlButtonPresenterSelector
  • CursorObjectAdapter
  • DetailsOverviewLogoPresenter
  • DetailsOverviewLogoPresenter.ViewHolder
  • DetailsOverviewRow
  • DetailsOverviewRow.Listener
  • DetailsOverviewRowPresenter
  • DetailsOverviewRowPresenter.ViewHolder
  • DetailsParallax
  • DiffCallback
  • DividerPresenter
  • DividerRow
  • FocusHighlightHelper
  • FullWidthDetailsOverviewRowPresenter
  • FullWidthDetailsOverviewRowPresenter.Listener
  • FullWidthDetailsOverviewRowPresenter.ViewHolder
  • FullWidthDetailsOverviewRowPresenter.ViewHolder.DetailsOverviewRowListener
  • FullWidthDetailsOverviewSharedElementHelper
  • GuidanceStylist
  • GuidanceStylist.Guidance
  • GuidedAction
  • GuidedAction.Builder
  • GuidedAction.BuilderBase
  • GuidedActionDiffCallback
  • GuidedActionEditText
  • GuidedActionsStylist
  • GuidedActionsStylist.ViewHolder
  • GuidedDatePickerAction
  • GuidedDatePickerAction.Builder
  • GuidedDatePickerAction.BuilderBase
  • HeaderItem
  • HorizontalGridView
  • HorizontalHoverCardSwitcher
  • ImageCardView
  • ItemAlignmentFacet
  • ItemAlignmentFacet.ItemAlignmentDef
  • ItemBridgeAdapter
  • ItemBridgeAdapter.AdapterListener
  • ItemBridgeAdapter.ViewHolder
  • ItemBridgeAdapter.Wrapper
  • ItemBridgeAdapterShadowOverlayWrapper
  • ListRow
  • ListRowHoverCardView
  • ListRowPresenter
  • ListRowPresenter.SelectItemViewHolderTask
  • ListRowPresenter.ViewHolder
  • ListRowView
  • MultiActionsProvider.MultiAction
  • ObjectAdapter
  • ObjectAdapter.DataObserver
  • OnChildViewHolderSelectedListener
  • PageRow
  • Parallax
  • Parallax.FloatProperty
  • Parallax.IntProperty
  • Parallax.PropertyMarkerValue
  • ParallaxEffect
  • ParallaxTarget
  • ParallaxTarget.DirectPropertyTarget
  • ParallaxTarget.PropertyValuesHolderTarget
  • PlaybackControlsRow
  • PlaybackControlsRow.ClosedCaptioningAction
  • PlaybackControlsRow.FastForwardAction
  • PlaybackControlsRow.HighQualityAction
  • PlaybackControlsRow.MoreActions
  • PlaybackControlsRow.MultiAction
  • PlaybackControlsRow.OnPlaybackProgressCallback
  • PlaybackControlsRow.PictureInPictureAction
  • PlaybackControlsRow.PlayPauseAction
  • PlaybackControlsRow.RepeatAction
  • PlaybackControlsRow.RewindAction
  • PlaybackControlsRow.ShuffleAction
  • PlaybackControlsRow.SkipNextAction
  • PlaybackControlsRow.SkipPreviousAction
  • PlaybackControlsRow.ThumbsAction
  • PlaybackControlsRow.ThumbsDownAction
  • PlaybackControlsRow.ThumbsUpAction
  • PlaybackControlsRowPresenter
  • PlaybackControlsRowPresenter.ViewHolder
  • PlaybackRowPresenter
  • PlaybackRowPresenter.ViewHolder
  • PlaybackSeekDataProvider
  • PlaybackSeekDataProvider.ResultCallback
  • PlaybackSeekUi.Client
  • PlaybackTransportRowPresenter
  • PlaybackTransportRowPresenter.ViewHolder
  • Presenter
  • Presenter.ViewHolder
  • Presenter.ViewHolderTask
  • PresenterSelector
  • PresenterSwitcher
  • RecyclerViewParallax
  • RecyclerViewParallax.ChildPositionProperty
  • Row
  • RowHeaderPresenter
  • RowHeaderPresenter.ViewHolder
  • RowHeaderView
  • RowPresenter
  • RowPresenter.ViewHolder
  • SearchBar
  • SearchEditText
  • SearchOrbView
  • SearchOrbView.Colors
  • SectionRow
  • ShadowOverlayContainer
  • ShadowOverlayHelper
  • ShadowOverlayHelper.Builder
  • ShadowOverlayHelper.Options
  • SinglePresenterSelector
  • SparseArrayObjectAdapter
  • SpeechOrbView
  • TitleHelper
  • TitleView
  • TitleViewAdapter
  • VerticalGridPresenter
  • VerticalGridPresenter.ViewHolder
  • VerticalGridView