在片段中从RecyclerView适配器获取字符串，然后在另一个片段中显示它

public interface OnItemClickListener {
    void onItemClick(String item);
}

private OnItemClickListener listener;

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

@Override
public void onBindViewHolder(ViewHolder holder, int position) {
    final String item = itemList.get(position);

    holder.itemView.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            if (listener != null) {
                listener.onItemClick(item);
            }
        }
    });
}

public class TargetFragment extends Fragment implements OnItemClickListener {

    // ...

    @Override
    public void onItemClick(String item) {
        // 在这里处理获取到的字符串
    }
}

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    // 创建适配器并设置接口实例
    Adapter adapter = new Adapter();
    adapter.setOnItemClickListener(this);

    // 设置适配器到RecyclerView
    recyclerView.setAdapter(adapter);
}