wemall app商城源码中实现带图片和checkbox的listview

 

wemall-mobile是基于WeMall的android app商城，只需要在原商城目录下上传接口文件即可完成服务端的配置，客户端可定制修改。本文分享其中实现带图片和checkbox的listview，供技术员参考学习。

 

public class MainAdapter extends BaseAdapter {

    private LayoutInflater mInflater;// 得到一个LayoutInfalter对象用来导入布局
    private ArrayList<Map<String, Object>> getDate;
    private Context mContext;

    public MainAdapter(Context context , ArrayList<Map<String, Object>> getDate) {
        this.mContext = context;
        this.mInflater = LayoutInflater.from(context);
        this.getDate = getDate;
    }

    @Override
    public int getCount() {
        // TODO Auto-generated method stub
        return getDate.size();// 返回数组的长度
    }

    @Override
    public Object getItem(int position) {
        // TODO Auto-generated method stub
        return getDate.get(position);
    }

    @Override
    public long getItemId(int position) {
        // TODO Auto-generated method stub
        return position;
    }

    @SuppressLint("NewApi")
    @Override
    public View getView(final int position, View convertView,
            ViewGroup parent) {
        // TODO Auto-generated method stub
        final ViewHolder holder;
        if (convertView == null) {
            holder = new ViewHolder();
            convertView = mInflater.inflate(R.layout.itemlist_shop, null);
            holder.image = (ImageView) convertView
                    .findViewById(R.id.itemlist_image);
            holder.name = (TextView) convertView
                    .findViewById(R.id.itemlist_shopname);
            holder.price = (TextView) convertView
                    .findViewById(R.id.waimai_shopmenu_adapter_item_price);
            holder.plusButton = (ImageButton) convertView
                    .findViewById(R.id.plus_btn);
            holder.minusButton = (ImageButton) convertView
                    .findViewById(R.id.minus_btn);
            holder.numTextView = (TextView) convertView
                    .findViewById(R.id.count);
            convertView.setTag(holder);// 绑定ViewHolder对象
        } else {
            holder = (ViewHolder) convertView.getTag();// 取出ViewHolder对象
        }

        convertView.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                final LinearLayout layout = (LinearLayout) mInflater.inflate(R.layout.dialog_detail, null);
                final Dialog dialog = new Dialog(mContext);
                dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
                dialog.setContentView(layout);
                dialog.show();

                final ImageView imageView = (ImageView) layout.findViewById(R.id.dialog_detail_big_image);
                new AsyncImageLoader(mContext).downloadImage(getDate.get(position).get("image").toString(),true,
                        new ImageCallback() {
                            @Override
                            public void onImageLoaded(Bitmap bitmap, String imageUrl) {
                                // TODO Auto-generated method stub
                                imageView.setImageBitmap(bitmap);
                            }
                        });

                TextView textViewPrice = (TextView)layout.findViewById(R.id.dialog_detail_single_price);
                textViewPrice.setText(holder.price.getText().toString());

                TextView textViewNum = (TextView) layout.findViewById(R.id.count);
                textViewNum.setText(holder.numTextView.getText().toString());

                layout.findViewById(R.id.dialog_detail_close).setOnClickListener(new OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        // TODO Auto-generated method stub
                        dialog.dismiss();
                    }
                });
                layout.findViewById(R.id.dialog_detail_addcart).setOnClickListener(new OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        // TODO Auto-generated method stub
                        dialog.dismiss();
                    }
                });
                final TextView textViewin = (TextView) layout.findViewById(R.id.count);
                layout.findViewById(R.id.plus_btn).setOnClickListener(new OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        // TODO Auto-generated method stub
                        holder.plusButton.callOnClick();
                        textViewin.setText(holder.numTextView.getText().toString());
                    }
                });
                layout.findViewById(R.id.minus_btn).setOnClickListener(new OnClickListener() {

                    @Override
                    public void onClick(View v) {
                        // TODO Auto-generated method stub
                        holder.minusButton.callOnClick();
                        textViewin.setText(holder.numTextView.getText().toString());
                    }
                });

            }
        });

//        String imgUrl = getDate.get(position).get("image").toString();
//        AsyncImageLoader loader = new AsyncImageLoader(mContext);
//        //将图片缓存至外部文件中
//        loader.setCache2File(true);    //false
//        //设置外部缓存文件夹
//        loader.setCachedDir(mContext.getCacheDir().getAbsolutePath());

        //下载图片，第二个参数是否缓存至内存中
//        loader.downloadImage(imgUrl, false, new AsyncImageLoader.ImageCallback() {
//            @Override
//            public void onImageLoaded(Bitmap bitmap, String imageUrl) {
//                if(bitmap != null){
//                    holder.image.setImageBitmap(bitmap);
//                }else{
//                    //下载失败，设置默认图片
//                    holder.image.setImageResource(R.drawable.about_logo);
//                }
//            }
//        });
        new AsyncImageLoader(mContext).downloadImage(getDate.get(position).get("image").toString(),true,
                new ImageCallback() {
                    @Override
                    public void onImageLoaded(Bitmap bitmap, String imageUrl) {
                        // TODO Auto-generated method stub
                        holder.image.setImageBitmap(bitmap);
                    }
                });

        holder.name.setText(getDate.get(position).get("name")
                .toString());
        holder.price.setText(getDate.get(position).get("price")
                .toString());
        holder.numTextView.setText(String.valueOf(CartData.findCart(position)));
        holder.plusButton.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                int num = Integer.parseInt(holder.numTextView.getText()
                        .toString()) + 1;
                holder.numTextView.setText(String.valueOf(num));

                CartData.editCart(getDate.get(position).get("id").toString(),
                        getDate.get(position).get("name").toString(),
                        getDate.get(position).get("price").toString(),
                        String.valueOf(num),
                        getDate.get(position).get("image").toString());

            }
        });
        holder.minusButton.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                int num = Integer.parseInt(holder.numTextView.getText()
                        .toString()) - 1;
                if (num >= 0) {
                    holder.numTextView.setText(String.valueOf(num));
                    if (num == 0) {
                        CartData.removeCart(getDate.get(position)
                                .get("id").toString());
                    } else {
                        CartData.editCart(getDate.get(position).get("id").toString(),
                                getDate.get(position).get("name").toString(),
                                getDate.get(position).get("price").toString(),
                                String.valueOf(num),
                                getDate.get(position).get("image").toString());
                    }

                }
            }
        });

        return convertView;
    }

}

 原文详情地址：

wemall-mobile商城详情地址：

wemall官网地址：

WeMall - 开源微商城 微信商城 商城源码 分销商城 b2b2c商城系统