Returns the item at the given index. @param index The index of the item to retrieve. @return The item at the given index. @throws java.lang.IndexOut

@see #getLayoutPosition() @see #getBindingAdapterPosition() @see #getAbsoluteAdapterPosition() @deprecated This method is deprecated because its meani

Total number of ViewHolders held by the pool. @return Number of ViewHolders held by the pool.

Gets the Object mapped from the specified id, or <code>null</code> if no such data exists. @param resourceId Id of the resource you want to remove. I

Returns the start position of the layout after the start padding is added. @return The very first pixel we can draw.

Returns the width that is currently relevant to the LayoutManager. <p>This value is usually equal to the laid out width of the {@link RecyclerView} b

Returns the height that is currently relevant to the LayoutManager. <p>This value is usually equal to the laid out height of the {@link RecyclerView}

Returns the start of the view including its decoration and margin. <p> For example, for the horizontal helper, if a View's left is at pixel 20, has 2p

Label appended to all public exception strings, used to help find which RV in an app is hitting an exception.

Returns the end position of the layout after the end padding is removed. @return The end boundary for this layout.

Returns the end of the view including its decoration and margin. <p> For example, for the horizontal helper, if a View's right is at pixel 200, has 2p

Query if horizontal scrolling is currently supported. The default implementation returns false. @return True if this LayoutManager can scroll the cur

Query if vertical scrolling is currently supported. The default implementation returns false. @return True if this LayoutManager can scroll the curre

Returns true if the {@link RecyclerView} is in the pre-layout step where it is having its {@link LayoutManager} layout items where they will be at the

Returns the space occupied by this View in the current orientation including decorations and margins. @param view The view element to check @return T

Return the left padding of the parent RecyclerView @return Padding in pixels

Return the {@link LayoutManager} currently responsible for layout policy for this RecyclerView. @return The currently bound LayoutManager

Return the right padding of the parent RecyclerView @return Padding in pixels

Return the top padding of the parent RecyclerView @return Padding in pixels

Return the bottom padding of the parent RecyclerView @return Padding in pixels

Adds a mapping from the specified id to the specified value, replacing the previous mapping from the specified key if there was one. @param resourceI

Clear scrap views out of this recycler. Detached views contained within a recycled view pool will remain.

Returns the total space to layout. This number is the difference between {@link #getEndAfterPadding()} and {@link #getStartAfterPadding()}. @return T

Returns the total number of items that can be laid out. Note that this number is not necessarily equal to the number of items in the adapter, so you s

Calculate a MeasureSpec value for measuring a child view in one dimension. @param parentSize Size of the parent view where the child will be plac

Returns true if this adapter publishes a unique <code>long</code> value that can act as a key for the item at a given position in the data set. If tha

Removes the mapping from the specified id, if there was any. @param resourceId Id of the resource you want to remove. It is suggested to use R.id. to

Returns the total number of children. @return The total number of children including the hidden views. @see #getUnfilteredChildAt(int)

Internal only: Sets the listener that must be called when the animator is finished animating the item (or immediately if no animation happens). This i

Chooses a size from the given specs and parameters that is closest to the desired size and also complies with the spec. @param spec The measureSpe

Returns the MeasureSpec mode for the current orientation from the LayoutManager. @return The current measure spec mode. @see View.MeasureSpec @see R

Returns a child by ViewGroup offset. ChildHelper won't offset this index. @param index ViewGroup index of the child to return. @return The view in th

Returns the adapter position that the view this LayoutParams is attached to corresponds to as of latest layout calculation. @return the adapter posit

Returns true if the adapter data item corresponding to the view this LayoutParams is attached to has been removed from the data set. A LayoutManager m

The magic functions :). Fills the given layout, defined by the layoutState. This is fairly independent from the rest of the {@link LinearLayoutManager

Returns the resolved layout direction for this RecyclerView. @return {@link androidx.core.view.ViewCompat#LAYOUT_DIRECTION_RTL} if the layout directi

Returns the position of the ViewHolder in terms of the latest layout pass. <p> This position is mostly used by RecyclerView components to be consisten

Informs the recycler whether this item can be recycled. Views which are not recyclable will not be reused for other items until setIsRecyclable() is l

This method should be called before any code that may trigger a child view to cause a call to {@link RecyclerView#requestLayout()}. Doing so enables

This method should be called after any code that may trigger a child view to cause a call to {@link RecyclerView#requestLayout()}. <p> A call to this

Throws an exception if called while we are in the middle of a mutation operation (addAll or replaceAll).

* Returns the pull distance needed to be released to remove the showing effect. * * @return The pull distance that must be released to remov

Return the height measurement spec mode that is currently relevant to the LayoutManager. <p>This value is set only if the LayoutManager opts into the

Return the width measurement spec mode that is currently relevant to the LayoutManager. <p>This value is set only if the LayoutManager opts into the

Returns whether a View is visible to LayoutManager or not. @param view The child view to check. Should be a child of the Callback. @return True if th

Called when {@code count} number of items are inserted at the given position. @param position The position of the new item. @param count The numbe

Starts dragging or swiping the given View. Call with null if you want to clear it. @param selected The ViewHolder to drag or swipe. Can be null if

Called by the SortedList to decide whether two objects represent the same Item or not. <p> For example, if your items have unique ids, this method sho

Checks if RecyclerView is in the middle of a layout or scroll and throws an {@link IllegalStateException} if it <b>is</b>. @param message The message

Similar to {@link java.util.Comparator#compare(Object, Object)}, should compare two and return how they should be ordered. @param o1 The first object

Traverses the ancestors of the given view and returns the item view that contains it and also a direct child of the RecyclerView. This returned view c

Removes the specified Runnable from the message queue. <p> Calling this method when LayoutManager is not attached to a RecyclerView has no effect. @p

Method to be called by subclasses when a move animation is done. @param item The item which has been moved @see RecyclerView.ItemAnimator#animateDisa