ChildViewHolder.java

public static class ChildViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener{

      public TextView viewID;
      public TextView parentID;
      public TextView text;

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

          viewID = (TextView) itemView.findViewById(R.id.fid);
          parentID = (TextView) itemView.findViewById(R.id.pid);
          text = (TextView) itemView.findViewById(R.id.friend);

          itemView.setOnClickListener(this);
      }

      @Override
      public void onClick(View view) {
      }
}
      

ParentViewHolder.java

public static class ParentViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener{
        public TextView viewID;
        public TextView personNameID;

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

            viewID = (TextView) itemView.findViewById(R.id.skill);
            personNameID = (TextView) itemView.findViewById(R.id.company);

            itemView.setOnClickListener(this);
        }

        @Override
        public void onClick(View view) {
        }
}