LinearLayoutManager

Kotlin |Java

open class LinearLayoutManager : RecyclerView.LayoutManager, ItemTouchHelper.ViewDropHandler, RecyclerView.SmoothScroller.ScrollVectorProvider

kotlin.Any
↳	androidx.recyclerview.widget.RecyclerView.LayoutManager
	↳	androidx.recyclerview.widget.LinearLayoutManager

Known Direct Subclasses

GridLayoutManager, WearableLinearLayoutManager

GridLayoutManager	A `RecyclerView.LayoutManager` implementations that lays out items in a grid.
WearableLinearLayoutManager	This wear-specific implementation of `LinearLayoutManager` provides basic offsetting logic for updating child layout.

A RecyclerView.LayoutManager implementation which provides similar functionality to android.widget.ListView.

Summary

Nested classes
open	`LayoutChunkResult`

Constants
static Int	`HORIZONTAL`
static Int	`INVALID_OFFSET`
static Int	`VERTICAL`

Public constructors
`<init>(context: Context!)` Creates a vertical LinearLayoutManager
`<init>(context: Context!, orientation: Int, reverseLayout: Boolean)`
`<init>(context: Context!, attrs: AttributeSet!, defStyleAttr: Int, defStyleRes: Int)` Constructor used when layout manager is set in XML by RecyclerView attribute "layoutManager".

Public methods
open Unit	`assertNotInLayoutOrScroll(message: String!)`
open Boolean	`canScrollHorizontally()`
open Boolean	`canScrollVertically()`
open Unit	`collectAdjacentPrefetchPositions(dx: Int, dy: Int, state: RecyclerView.State!, layoutPrefetchRegistry: RecyclerView.LayoutManager.LayoutPrefetchRegistry!)`
open Unit	`collectInitialPrefetchPositions(adapterItemCount: Int, layoutPrefetchRegistry: RecyclerView.LayoutManager.LayoutPrefetchRegistry!)`
open Int	`computeHorizontalScrollExtent(state: RecyclerView.State)`
open Int	`computeHorizontalScrollOffset(state: RecyclerView.State)`
open Int	`computeHorizontalScrollRange(state: RecyclerView.State)`
open PointF?	`computeScrollVectorForPosition(targetPosition: Int)`
open Int	`computeVerticalScrollExtent(state: RecyclerView.State)`
open Int	`computeVerticalScrollOffset(state: RecyclerView.State)`
open Int	`computeVerticalScrollRange(state: RecyclerView.State)`
open Int	`findFirstCompletelyVisibleItemPosition()` Returns the adapter position of the first fully visible view.
open Int	`findFirstVisibleItemPosition()` Returns the adapter position of the first visible view.
open Int	`findLastCompletelyVisibleItemPosition()` Returns the adapter position of the last fully visible view.
open Int	`findLastVisibleItemPosition()` Returns the adapter position of the last visible view.
open View?	`findViewByPosition(position: Int)` Finds the view which represents the given adapter position.
open RecyclerView.LayoutParams!	`generateDefaultLayoutParams()` Create a default `LayoutParams` object for a child of the RecyclerView.
open Int	`getInitialPrefetchItemCount()` Gets the number of items to prefetch in `collectInitialPrefetchPositions(int, LayoutPrefetchRegistry)`, which defines how many inner items should be prefetched when this LayoutManager's RecyclerView is nested inside another RecyclerView.
open Int	`getOrientation()` Returns the current orientation of the layout.
open Boolean	`getRecycleChildrenOnDetach()` Returns whether LayoutManager will recycle its children when it is detached from RecyclerView.
open Boolean	`getReverseLayout()` Returns if views are laid out from the opposite direction of the layout.
open Boolean	`getStackFromEnd()`
open Boolean	`isAutoMeasureEnabled()`
open Boolean	`isSmoothScrollbarEnabled()` Returns the current state of the smooth scrollbar feature.
open Unit	`onDetachedFromWindow(view: RecyclerView!, recycler: RecyclerView.Recycler!)`
open View?	`onFocusSearchFailed(focused: View, focusDirection: Int, recycler: RecyclerView.Recycler, state: RecyclerView.State)`
open Unit	`onInitializeAccessibilityEvent(event: AccessibilityEvent)`
open Unit	`onLayoutChildren(recycler: RecyclerView.Recycler!, state: RecyclerView.State!)` Lay out all relevant child views from the given adapter.
open Unit	`onLayoutCompleted(state: RecyclerView.State!)`
open Unit	`onRestoreInstanceState(state: Parcelable!)`
open Parcelable?	`onSaveInstanceState()`
open Unit	`prepareForDrop(@NonNull view: View, @NonNull target: View, x: Int, y: Int)` Called by the `ItemTouchHelper` after a View is dropped over another View.
open Int	`scrollHorizontallyBy(dx: Int, recycler: RecyclerView.Recycler!, state: RecyclerView.State!)` Scroll horizontally by dx pixels in screen coordinates and return the distance traveled.
open Unit	`scrollToPosition(position: Int)` Scroll the RecyclerView to make the position visible.
open Unit	`scrollToPositionWithOffset(position: Int, offset: Int)` Scroll to the specified adapter position with the given offset from resolved layout start.
open Int	`scrollVerticallyBy(dy: Int, recycler: RecyclerView.Recycler!, state: RecyclerView.State!)` Scroll vertically by dy pixels in screen coordinates and return the distance traveled.
open Unit	`setInitialPrefetchItemCount(itemCount: Int)` Sets the number of items to prefetch in