com.globusltd.recyclerview

Interface ViewHolderObserver

All Known Implementing Classes:

LifecycleBehavior, RecursiveEnableBehavior, SimpleEnableBehavior

@MainThread
public interface ViewHolderObserver

Interface to observe RecyclerView.ViewHolder's lifecycle events.

Method Summary

Modifier and Type	Method and Description
void	onAttached(RecyclerView.ViewHolder viewHolder) Called when a view created by adapter has been attached to a data.
void	onChanged(RecyclerView.ViewHolder viewHolder) Called when a view holder data item has been changed.
void	onDetached(RecyclerView.ViewHolder viewHolder) Called when a view created by adapter has been detached from its data.
void	onPositionChanged(RecyclerView.ViewHolder viewHolder) Called when a view holder position has been changed, but data item associated with this view holder has not been changed.

Method Detail

onAttached

void onAttached(@NonNull
                RecyclerView.ViewHolder viewHolder)

Called when a view created by adapter has been attached to a data.

Keep in mind that same data may be attached to the same ViewHolder multiple times.

Parameters:

viewHolder - Holder of the view being attached.

See Also:

onDetached(RecyclerView.ViewHolder)

onPositionChanged

void onPositionChanged(@NonNull
                       RecyclerView.ViewHolder viewHolder)

Called when a view holder position has been changed, but data item associated with this view holder has not been changed.

Parameters:

viewHolder - A view holder whose position has been changed.

onChanged

void onChanged(@NonNull
               RecyclerView.ViewHolder viewHolder)

Called when a view holder data item has been changed.

Parameters:

viewHolder - A view holder whose data item has been changed.

onDetached

void onDetached(@NonNull
                RecyclerView.ViewHolder viewHolder)

Called when a view created by adapter has been detached from its data.

Parameters:

viewHolder - Holder of the view being detached.

See Also:

onAttached(RecyclerView.ViewHolder)