PlaylistAdapter.java

public class PlaylistAdapter extends RecyclerView.Adapter<PlaylistAdapter.PlayListView> {

    public interface OnItemClickListener {
        void onItemClick (List<HwAudioPlayItem> myPlayList, int position);
    }

    private PlaylistAdapter.OnItemClickListener onItemClickListener;
    List<HwAudioPlayItem> myPlayList;

    public PlaylistAdapter(List<HwAudioPlayItem> myPlayList){
        this.myPlayList = myPlayList;
    }

    public void setOnItemClickListener(PlaylistAdapter.OnItemClickListener onItemClickListener) {
        this.onItemClickListener = onItemClickListener;
    }

    static class PlayListView extends RecyclerView.ViewHolder {
        TextView songNameTextView;
        TextView songArtistTextView;
        TextView durationTextView;
        ImageView moreOptionsImageView;

        public PlayListView(View itemView) {
            super(itemView);

            songNameTextView = itemView.findViewById(R.id.songTitleTextView);
            songArtistTextView = itemView.findViewById(R.id.songArtistTextView);
            durationTextView = itemView.findViewById(R.id.durationTextView);
            moreOptionsImageView = itemView.findViewById(R.id.moreOptionsImageView);
        }
    }

    @NonNull
    @Override
    public PlayListView onCreateViewHolder(ViewGroup parent, int viewType) {
        View layoutView = LayoutInflater.from(parent.getContext()).inflate(R.layout.playlist_detail_layout, parent, false);
        return new PlayListView(layoutView);
    }

    @Override
    public void onBindViewHolder(final PlayListView holder, final int position) {

        HwAudioPlayItem currentItem = myPlayList.get(holder.getAdapterPosition());

        holder.songNameTextView.setText(currentItem.getAudioTitle());
        holder.songArtistTextView.setText(currentItem.getSinger());

        long durationOfSong = currentItem.getDuration();
        String totalDurationText = String.format(Locale.US, "%02d:%02d",
                TimeUnit.MILLISECONDS.toMinutes(durationOfSong),
                TimeUnit.MILLISECONDS.toSeconds(durationOfSong) -
                        TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes(durationOfSong))
        );

        holder.durationTextView.setText(totalDurationText);

        holder.itemView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if(onItemClickListener != null) {
                    onItemClickListener.onItemClick(myPlayList, position);
                }
            }
        });
    }

    @Override
    public int getItemCount() {
        return myPlayList.size();
    }
}