Android listview适配器优化

package com.bawie.com.test1.adapter;

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

import com.bawie.com.test1.JsonListBean;
import com.bawie.com.test1.R;
import com.nostra13.universalimageloader.core.ImageLoader;

import java.util.ArrayList;

/**

• @Auther: 樊腾亚

• @Date: 2018/12/29 15:00:15

• @Description:
  */
  public class MyAdapter extends BaseAdapter {

  private ArrayList<JsonListBean.ResultBean> list;
  private Context context;

  public MyAdapter(ArrayList<JsonListBean.ResultBean> list, Context context) {
  this.list = list;
  this.context = context;
  }

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

  @Override
  public Object getItem(int i) {
  return null;
  }

  @Override
  public long getItemId(int i) {
  return 0;
  }

  @Override
  public View getView(int i, View view, ViewGroup viewGroup) {
  ViewHolder holder = null;
  if (view == null){
  view = View.inflate(context, R.layout.item,null);
  holder = new ViewHolder();
  holder.textView = view.findViewById(R.id.name);
  holder.imageView = view.findViewById(R.id.image);
  view.setTag(holder);
  }else {
  holder = (ViewHolder) view.getTag();
  }
  JsonListBean.ResultBean resultBean = list.get(i);
  holder.textView.setText(resultBean.getName());

   ImageLoader.getInstance().displayImage(resultBean.getPic_s444(),holder.imageView);
   return view;
  

  }
  class ViewHolder{
  TextView textView;
  ImageView imageView;
  }
  }