com.bignerdranch.expandablerecyclerview

Class ChildViewHolder<C>

java.lang.Object

RecyclerView.ViewHolder

com.bignerdranch.expandablerecyclerview.ChildViewHolder<C>

public class ChildViewHolder<C>
extends RecyclerView.ViewHolder

ViewHolder for a child list item.

The user should extend this class and implement as they wish for their child list item.

Constructor Summary

Constructors

Constructor and Description
ChildViewHolder(android.view.View itemView) Default constructor.

Method Summary

Modifier and Type	Method and Description
C	getChild()
int	getChildAdapterPosition() Returns the adapter position of the Child associated with this ChildViewHolder
int	getParentAdapterPosition() Returns the adapter position of the Parent associated with this ChildViewHolder

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ChildViewHolder

public ChildViewHolder(@NonNull
                       android.view.View itemView)

Default constructor.

Parameters:

itemView - The View being hosted in this ViewHolder

Method Detail

getChild

@UiThread
public C getChild()

Returns:

the childListItem associated with this view holder

getParentAdapterPosition

@UiThread
public int getParentAdapterPosition()

Returns the adapter position of the Parent associated with this ChildViewHolder

Returns:

The adapter position of the Parent if it still exists in the adapter. RecyclerView.NO_POSITION if item has been removed from the adapter, RecyclerView.Adapter.notifyDataSetChanged() has been called after the last layout pass or the ViewHolder has already been recycled.

getChildAdapterPosition

@UiThread
public int getChildAdapterPosition()

Returns the adapter position of the Child associated with this ChildViewHolder

Returns:

The adapter position of the Child if it still exists in the adapter. RecyclerView.NO_POSITION if item has been removed from the adapter, RecyclerView.Adapter.notifyDataSetChanged() has been called after the last layout pass or the ViewHolder has already been recycled.