app直播源代码，RecyclerView 点击条目自动将该条目吸附到顶部的位置

app直播源代码，RecyclerView 点击条目自动将该条目吸附到顶部的位置

 

1	<br>      (mBinding.rvSentenceList.layoutManager as LinearLayoutManager).scrollToPositionWithOffset(<br>                    position, 0<br>                );

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也可以在adapter中设置

 

1

<br>public class MyAdapter extends RecyclerView.Adapter<MyViewHolder> {<br>    private List<MyData> mDataList;<br>    private int mSelectedPosition = RecyclerView.NO_POSITION;<br> <br>    public interface OnItemClickListener {<br>        void onItemClick(int position);<br>    }<br> <br>    private OnItemClickListener mOnItemClickListener;<br> <br>    public void setOnItemClickListener(OnItemClickListener listener) {<br>        mOnItemClickListener = listener;<br>    }<br> <br>    @Override<br>    public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {<br>        // inflate view and create ViewHolder<br>    }<br> <br>    @Override<br>    public void onBindViewHolder(MyViewHolder holder, int position) {<br>        // bind data to ViewHolder<br>        // set selected state<br>        holder.itemView.setSelected(position == mSelectedPosition);<br>        holder.itemView.setOnClickListener(v -> {<br>            // update selected state and notify adapter<br>            mSelectedPosition = position;<br>            notifyDataSetChanged();<br>            // scroll to selected position<br>            RecyclerView recyclerView = (RecyclerView) parent;<br>            recyclerView.scrollToPosition(position);<br>        });<br>    }<br> <br>    @Override<br>    public int getItemCount() {<br>        return mDataList.size();<br>    }<br>}

 

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