Show a sub item on the recycler view after click on an item in the recycler view

Question

I'm working in a android application i want to show a sub item's in the recycler view witch it included in the navigation drawer after a click in one of the item's

here's a part of my code who handle the click event` class AdapterViewHolder extends RecyclerView.ViewHolder { ImageView row_icon; TextView row_text;

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

        row_icon = (ImageView) itemView.findViewById(R.id.row_icon);
        row_text = (TextView) itemView.findViewById(R.id.row_text);

        row_text.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

            }
        });
    }
}`

Answer 1

通过单击项目，只需在该项目下面添加新项目并通知适配器，您将获得新项目（您可以自定义该项目以使其看起来像子项目）