BandPredicate

Kotlin |Java

abstract class BandPredicate

kotlin.Any
↳	androidx.recyclerview.selection.BandPredicate

Known Direct Subclasses

BandPredicate.EmptyArea	A BandPredicate that allows initiation of band selection only in areas of RecyclerView that map to `RecyclerView#NO_POSITION`.
BandPredicate.NonDraggableArea	A BandPredicate that allows initiation of band selection in any area that is not draggable as determined by consulting `ItemDetailsLookup.ItemDetails#inDragRegion(MotionEvent)`.

Provides a means of controlling when and where band selection can be initiated.

Two default implementations are provided: EmptyArea, and NonDraggableArea.

Summary

Nested classes
	`EmptyArea` A BandPredicate that allows initiation of band selection only in areas of RecyclerView that map to `RecyclerView#NO_POSITION`.
	`NonDraggableArea` A BandPredicate that allows initiation of band selection in any area that is not draggable as determined by consulting `ItemDetailsLookup.ItemDetails#inDragRegion(MotionEvent)`.

Public constructors
`<init>()` Provides a means of controlling when and where band selection can be initiated.

Public methods
abstract Boolean	`canInitiate(@NonNull e: MotionEvent)`

BandPredicate()

Provides a means of controlling when and where band selection can be initiated.

Two default implementations are provided: EmptyArea, and NonDraggableArea.

See Also

abstract fun canInitiate(@NonNull e: MotionEvent): Boolean

Return
`Boolean`	true if band selection can be initiated in response to the `MotionEvent`.