展示列表适配器ListAdapter

package weektest.baway.com.myapplication.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.bumptech.glide.Glide;

import java.util.ArrayList;

import weektest.baway.com.myapplication.ListBean.One;
import weektest.baway.com.myapplication.R;

public class ListAdapter extends BaseAdapter {
private Context context;
private ArrayList list;

public ListAdapter(Context context, ArrayList list) {
    this.context = context;
    this.list = list;
}

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

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

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

@Override
public View getView(int position, View convertView, ViewGroup parent) {
    ViewHolder holder=null;
    if (convertView==null){
        convertView = View.inflate(context, R.layout.list_item, null);
        holder=new ViewHolder();
        holder.imageView = convertView.findViewById(R.id.imageview);
        holder.textView = convertView.findViewById(R.id.text_name);
        holder.textView1 = convertView.findViewById(R.id.text_pric);
        convertView.setTag(holder);
    }else {
        holder = (ViewHolder) convertView.getTag();
    }
    One da = list.get(position);
    holder.textView.setText(da.getCommodityName());
    holder.textView1.setText(da.getPrice()+"");
    Glide.with(context).load(da.getMasterPic()).into(holder.imageView);
    return convertView;
}
class ViewHolder{
    private ImageView imageView;
    private TextView  textView;
    private TextView  textView1;
}

}