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public final class ItemAlignmentFacet
extends Object

java.lang.Object
↳	android.support.v17.leanback.widget.ItemAlignmentFacet

Optional facet provided by RecyclerView.Adapter or RecyclerView.ViewHolder for use in HorizontalGridView and VerticalGridView. Apps using Presenter may set facet using setFacet(Class, Object) or setFacet(Class, Object). Facet on ViewHolder has a higher priority than Presenter or Adapter.

ItemAlignmentFacet contains single or multiple ItemAlignmentFacet.ItemAlignmentDefs. First ItemAlignmentFacet.ItemAlignmentDef describes the default alignment position for ViewHolder, it also overrides the default item alignment settings on VerticalGridView and HorizontalGridView. When there are multiple ItemAlignmentFacet.ItemAlignmentDefs, the extra ItemAlignmentFacet.ItemAlignmentDefs are used to calculate deltas from first alignment position. When a descendant view is focused within the ViewHolder, grid view will visit focused view and its ancestors till the root of ViewHolder to match extra ItemAlignmentFacet.ItemAlignmentDefs' getItemAlignmentViewId(). Once a match found, the ItemAlignmentFacet.ItemAlignmentDef is used to adjust a scroll delta from default alignment position.

Nested classes
`class`	`ItemAlignmentFacet.ItemAlignmentDef` Definition of an alignment position under a view.

Constants
`float`	`ITEM_ALIGN_OFFSET_PERCENT_DISABLED` Value indicates that percent is not used.

Public constructors
`ItemAlignmentFacet()`

Public methods
`ItemAlignmentDef[]`	`getAlignmentDefs()` Returns read only definitions of alignment positions.
`boolean`	`isMultiAlignment()`
`void`	`setAlignmentDefs(ItemAlignmentDef[] defs)` Sets definitions of alignment positions.

From class


  
    java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long millis, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long millis)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

float ITEM_ALIGN_OFFSET_PERCENT_DISABLED

Value indicates that percent is not used.

Constant Value: -1.0

ItemAlignmentFacet ()

ItemAlignmentDef[] getAlignmentDefs ()

Returns read only definitions of alignment positions.

Returns
`ItemAlignmentDef[]`

boolean isMultiAlignment ()

Returns
`boolean`

void setAlignmentDefs (ItemAlignmentDef[] defs)

Sets definitions of alignment positions.

Parameters
`defs`	`ItemAlignmentDef`