第二次冲刺04

今天进行了站立会议。

主要是分析当下的代码情况。进行规划之后的代码优化。

package com.example.math.adapter;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;

import com.example.math.R;
import com.example.math.bean.Commodity;

import java.util.List;

public class ListAdapter extends BaseAdapter {
    Context context;
    List<Commodity> mData;
    LayoutInflater inflater;

    public ListAdapter(Context context, List<Commodity> mData) {
        this.context = context;
        this.mData = mData;
        inflater = LayoutInflater.from(context);
    }

    @Override
    public int getCount() {
        return mData.size();
    }

    @Override
    public Object getItem(int position) {
        return mData.get(position);
    }

    @Override
    public long getItemId(int position) {
        return position;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        ViewHolder Holder = null;
        if (convertView == null) {
            convertView = inflater.inflate(R.layout.mell_lv, parent, false);
            Holder = new ViewHolder(convertView);
            convertView.setTag(Holder);
        } else {
            Holder = (ViewHolder) convertView.getTag();
        }
        Commodity commodity = mData.get(position);
        Holder.typeName.setText(commodity.getName());
        Holder.typePrice.setText("￥   " + commodity.getPrice() + "");
        Holder.typeTotal.setText(commodity.getTotal() + "");
        Holder.typeLeft.setText(commodity.getLeftover() + "");
        return convertView;
    }

    static class ViewHolder {
        TextView typeName, typeTotal, typeLeft, typePrice;

        public ViewHolder(View view) {
            typeName = view.findViewById(R.id.mall_name);
            typeTotal = view.findViewById(R.id.mall_total);
            typeLeft = view.findViewById(R.id.mall_leftover);
            typePrice = view.findViewById(R.id.mall_price);
        }
    }
}