RecycleView 单选

mRecycleView = findViewById(R.id.recycle_view);
GridLayoutManager gridLayoutManager = new GridLayoutManager(mActivity, 1);
gridLayoutManager.setOrientation(GridLayoutManager.HORIZONTAL);
mRecycleView.setLayoutManager(gridLayoutManager);
//关闭点击图片刷新的动画效果  不然感觉像bug
DefaultItemAnimator itemAnimator = (DefaultItemAnimator) mRecycleView.getItemAnimator();
itemAnimator.setSupportsChangeAnimations(false);

mPlatformdapter = new GamePlatformAdapter(mActivity, mGamePlatrorm);
mRecycleView.setAdapter(mPlatformdapter);
mPlatformdapter.setOnItemClickListener(new GamePlatformAdapter.OnItemClickListener() {
    @Override
    public void onItemClick(View view, int position) {
          GameInfoBean.GameTypeCategoryListBean bean = mGamePlatrorm.get(position);
        }

   @Override
   public void onItemLongClick(View view, int position) {

       }
   });

public class GamePlatformAdapter extends RecyclerView.Adapter<GamePlatformAdapter.MyTVHolder> {
    private final LayoutInflater mLayoutInflater;
    private OnItemClickListener mOnItemClickListener;
    private final Context mContext;
    private final List<GameInfoBean.GameTypeCategoryListBean> mItems;
    private int selectorPosition = 0;

    public GamePlatformAdapter(Context context, List<GameInfoBean.GameTypeCategoryListBean> items) {
        mLayoutInflater = LayoutInflater.from(context);
        mContext = context;
        mItems = items;
    }

    @NonNull
    @Override
    public GamePlatformAdapter.MyTVHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        return new MyTVHolder(mLayoutInflater.inflate(R.layout.item_game_platform, parent, false));
    }

    @Override
    public void onBindViewHolder(@NonNull MyTVHolder holder, int position) {
        GameInfoBean.GameTypeCategoryListBean bean = mItems.get(position);
        holder.mTextView.setText(bean.getName());
        Glide.with(mContext).load(bean.getImg_url()).into(holder.mImageView);
        if (selectorPosition == position) {
            holder.mTextView.setTextColor(mContext.getResources().getColor(R.color.theme));
            holder.mView.setVisibility(View.VISIBLE);
        } else {
            //其他的恢复原来的状态
            holder.mTextView.setTextColor(mContext.getResources().getColor(R.color.gray_color));
            holder.mView.setVisibility(View.INVISIBLE);
        }

        //设置点击监听
        if (mOnItemClickListener != null) {
            holder.itemView.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    int pos = holder.getLayoutPosition();
                    mOnItemClickListener.onItemClick(holder.itemView, pos);
                    if (selectorPosition != position) {
                        //先取消上个item的勾选状态
                        notifyItemChanged(selectorPosition);
                        //设置新Item的勾选状态
                        selectorPosition = position;
                        notifyItemChanged(position);
                    } else if (selectorPosition == -1) {
                        selectorPosition = position;
                        notifyItemChanged(position);
                    }
                }
            });
            holder.itemView.setOnLongClickListener(new View.OnLongClickListener() {
                @Override
                public boolean onLongClick(View v) {
                    int pos = holder.getLayoutPosition();
                    mOnItemClickListener.onItemLongClick(holder.itemView, pos);
                    return false;
                }
            });
        }
    }

    @Override
    public int getItemCount() {
        return mItems == null ? 0 : mItems.size();
    }

    public interface OnItemClickListener {
        void onItemClick(View view, int position);

        void onItemLongClick(View view, int position);
    }


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

    class MyTVHolder extends RecyclerView.ViewHolder {
        private ImageView mImageView;
        private TextView mTextView;
        private View mView;


        MyTVHolder(View itemView) {
            super(itemView);
            mImageView = itemView.findViewById(R.id.iv_image);
            mTextView = itemView.findViewById(R.id.tv_name);
            mView = itemView.findViewById(R.id.view_line);
        }
    }
}