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

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

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

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.