STD二手图书交流平台团队博客-界面构建

更新完善”我的“界面

功能包括购物车 购买记录 我的发布 修改密码 与退出登录

写购物车时在商品界面添加购物车后并不能在购物车内正常显示

商品数量不可以在购物车界面进行修改

class MyAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
@NonNull
@Override
public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
// View view = View.inflate(parent.getContext(), R.layout.adapter_recycler_home, null);
View view = View.inflate(parent.getContext(), R.layout.item_favour, null);
MyViewHolder myViewHolder = new MyViewHolder(view);
return myViewHolder;
}

@Override
public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder2, int position) {
GoodsBean goodsBean = allByUsername.get(position);
MyViewHolder holder = (MyViewHolder) holder2;
String goodsPath = goodsBean.getGoodsPath();
System.out.println("goodsPath :" + goodsPath);
Bitmap bitmap = BitmapFactory.decodeFile(goodsPath);
holder.ivGoodsPic.setBackground(new BitmapDrawable(bitmap));
holder.tvGoodsName.setText("商品名称:" + goodsBean.getGoodsName());
holder.tvGoodsPrice.setText("商品价格:" + "¥" +goodsBean.getGoodsPrice());
holder.tvGoodsCategory.setText("商品分类:" + goodsBean.getGoodsCategory());
holder.tvGoodsPhone.setText("联系电话:" + goodsBean.getGoodsPhone());
holder.tvGoodsTime.setText("发布时间:" + goodsBean.getGoodsTime() +" ");
holder.btnAddPurchase.setTag(position);
holder.btnFavourCancel.setTag(position);
if(flag==1 || flag==2){
if(flag==1) {
holder.btnAddPurchase.setVisibility(View.GONE);
holder.btnFavourCancel.setVisibility(View.GONE);
}
if(flag==2){
String id = goodsBean.get_id();
holder.btnAddPurchase.setTag(id);
holder.btnFavourCancel.setVisibility(View.GONE);
holder.btnAddPurchase.setOnClickListener(listener1);
}
}else{
String id = goodsBean.get_id();
holder.btnFavourCancel.setTag(id);
holder.btnAddPurchase.setVisibility(View.GONE);
holder.btnFavourCancel.setOnClickListener(listener);
}
}

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

private View.OnClickListener listener1= new View.OnClickListener(){
@Override
public void onClick(View v) {
String goodsId = (String) v.getTag();
System.out.println("goodsId : " + goodsId);
int raw = ProductDao.getInstance().updateGoodsBuyed(goodsId);
if (raw > 0){
UiUtils.toast("购买成功");
}else {
UiUtils.toast("购买失败");
}
}
};

private View.OnClickListener listener = new View.OnClickListener(){
@Override
public void onClick(View v) {
String goodsId = (String) v.getTag();
System.out.println("goodsId : " + goodsId);
int raw = ProductDao.getInstance().updateGoodsBuyedDelete(goodsId);
if (raw == 0){
UiUtils.toast("删除成功");
allByUsername = ProductDao.getInstance().findAllGoodsBeanByUsername();
releaseRecyclerView.setAdapter(new MyAdapter());
}else {
UiUtils.toast("删除失败");
}
}
};


static class MyViewHolder extends RecyclerView.ViewHolder {
private ImageView ivGoodsPic;
private TextView tvGoodsName;
private TextView tvGoodsPrice;
private TextView tvGoodsCategory;
private TextView tvGoodsPhone;
private TextView tvGoodsTime;
private Button btnAddPurchase;
private Button btnFavourCancel;


public MyViewHolder(@NonNull View itemView) {
super(itemView);
ivGoodsPic = itemView.findViewById(R.id.ivGoodsPic);
tvGoodsName = itemView.findViewById(R.id.tvGoodsName);
tvGoodsPrice = itemView.findViewById(R.id.tvGoodsPrice);
tvGoodsCategory = itemView.findViewById(R.id.tvGoodsCategory);
tvGoodsPhone = itemView.findViewById(R.id.tvGoodsPhone);
tvGoodsTime = itemView.findViewById(R.id.tvGoodsTime);
btnFavourCancel = itemView.findViewById(R.id.tv_favour_cancel);
btnAddPurchase = itemView.findViewById(R.id.btnAddPurchase);
}
}

}

 

原文地址:https://www.cnblogs.com/Yforever/p/14912903.html