Andriod BaseAdapter使用

package com.example.gjs.myapplication;
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 java.util.List;
import java.util.Map;

/**
 * Created by gjs on 2017/3/9.
 */

public class ListViewAdapter extends BaseAdapter{
    private Context context;
    private List<Map<String,Object>> listItems;

    private LayoutInflater listContainer;

    private boolean[] hasChecked;
    public final class ListItemView{

        public TextView title1;
        public TextView title2;

    }

    public ListViewAdapter(Context context,List<Map<String,Object>> listItems){
        this.context = context;
        listContainer = LayoutInflater.from(context);
        this.listItems = listItems;
        hasChecked = new boolean[getCount()];
    }
    @Override
    public int getCount() {
        // TODO Auto-generated method stub
        return listItems.size();
    }

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

    @Override
    public long getItemId(int position) {
        // TODO Auto-generated method stub
        return 0;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        final int selectID= position;
        ListItemView listItemView = new ListItemView();
        if(convertView ==null){
            convertView = listContainer.inflate(R.layout.activity_test, parent,false);
            listItemView.title1 = (TextView) convertView.findViewById(R.id.textView);
            listItemView.title2 = (TextView) convertView.findViewById(R.id.textView2);
            convertView.setTag(listItemView);
        }else{
            listItemView = (ListItemView) convertView.getTag();
        }
        //设置文字图
        listItemView.title1.setText((String)listItems.get(position).get("title1"));
        listItemView.title2.setText((String) listItems.get(position).get("title2"));

        return convertView;
    }

}