第一层适配器

• @Description：第一层展示
  */
  public class ShopCarAdapter extends RecyclerView.Adapter<ShopCarAdapter.ViewHolder> {

  private Context context;
  private List data1=new ArrayList<>();
  public ShopCarAdapter(Context context) {
  this.context = context;
  }
  @NonNull
  @Override
  public ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
  View view=View.inflate(context,R.layout.shopcar,null);
  return new ViewHolder(view);
  }

  @Override
  public void onBindViewHolder(@NonNull final ViewHolder viewHolder, final int i) {
  viewHolder.textView_sj.setText(data1.get(i).getSellerName());
  Log.i(“onBindViewHolder”,data1.get(i).isCheck()+"");
  viewHolder.checkBox_sj.setChecked(data1.get(i).isCheck());
  final List list = data1.get(i).getList();
  //创建商品展示适配器
  ShopCaritemAdapter adpter=new ShopCaritemAdapter(context,list);
  //创建布局管理器
  LinearLayoutManager manager=new LinearLayoutManager(context);
  manager.setOrientation(LinearLayoutManager.VERTICAL);
  //设置布局管理器
  viewHolder.recycler_sp.setLayoutManager(manager);
  //设置适配器
  viewHolder.recycler_sp.setAdapter(adpter);
  //接口回调商家中商品取消点击商家全选取消
  adpter.setOnCallBackListener(new ShopCaritemAdapter.OnCallBackListener() {
  @Override
  public void changdata(List list) {
  int checkednum=0;
  for (int i = 0; i <list.size() ; i++) {
  boolean checked=list.get(i).isCheck();
  if (checked){
  checkednum++;
  }
  }
  if (checkednum==list.size()){
  viewHolder.checkBox_sj.setChecked(true);
  }else{
  viewHolder.checkBox_sj.setChecked(false);
  }
  //接口回调计算价格
  if (listener!=null){
  listener.chang(data1);
  }
  }
  });
  //商家选中
  viewHolder.checkBox_sj.setOnClickListener(new View.OnClickListener() {
  @Override
  public void onClick(View view) {
  boolean checked = viewHolder.checkBox_sj.isChecked();
  data1.get(i).setCheck(checked);
  List list = data1.get(i).getList();
  for (int j = 0; j < list.size(); j++) {
  list.get(j).setCheck(checked);
  }
  //接口回调计算价格
  if (listener!=null){
  listener.chang(data1);
  }
  notifyDataSetChanged();
  }
  });

  }
  @Override
  public int getItemCount() {
  return data1.size();
  }

  public void setlist(List data1) {
  this.data1=data1;
  notifyDataSetChanged();
  }
  public class ViewHolder extends RecyclerView.ViewHolder {

   RecyclerView recycler_sp;
   TextView textView_sj;
   CheckBox checkBox_sj;
   public ViewHolder(@NonNull View itemView) {
       super(itemView);
       textView_sj = itemView.findViewById(R.id.text_sj);
        recycler_sp = (RecyclerView)itemView.findViewById(R.id.recycler_sp);
       checkBox_sj = (CheckBox)itemView.findViewById(R.id.checkbox_sj);
  
   }
  

  }
  //商家接口回调计算价钱
  private OnCallBackListener listener;
  public void setOnCallBackListener(OnCallBackListener listener){
  this.listener=listener;
  }
  public interface OnCallBackListener{
  void chang(List data1);
  }
  }