自定义android BaseAdapter，androidbaseadapter,我们很多时候需要去自定义

自定义android BaseAdapter，androidbaseadapter,我们很多时候需要去自定义

我们很多时候需要去自定义一下BaseAdapter，很常用的一个东西，希望对需要的人有帮助喜欢得人可以交流

package com.android.wei.zidingyib;import android.app.Activity;import android.app.AlertDialog;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.ImageButton;import android.widget.ListView;import java.util.*;public class MyActivity extends Activity {    private ListView listView;    private ImageButton imageButton;    private ListViewAdapter listViewAdapter;    private List<Map<String,Object>> listItems;    private Integer[] imgeIDs = {        R.drawable.niao,R.drawable.niao,R.drawable.rui,R.drawable.rui,        R.drawable.ning,R.drawable.ning    };    private String[] goodsNames={        "土豆丝","土豆块","土豆泥","红烧土豆",        "麻辣土豆","清蒸土豆"    };    private String[] goodsDetails={        "土豆丝：便宜又好吃",    "土豆丝：便宜又好吃",    "土豆丝：便宜又好吃",            "土豆丝：便宜又好吃",    "土豆丝：便宜又好吃",    "土豆丝：便宜又好吃",    };    private int[] money={        2,3,3,10,8,13       };    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        listView=(ListView) this.findViewById(R.id.listview);        imageButton = (ImageButton) this.findViewById(R.id.imagebutton);        imageButton.setOnClickListener(new  ClickEvent());        listItems = getListItems();        listViewAdapter = new ListViewAdapter(this,listItems);        listView.setAdapter(listViewAdapter);    }    private List<Map<String,Object>> getListItems(){        List<Map<String,Object>> listItems = new ArrayList<Map<String,Object>>();        for(int i=0;i<goodsNames.length;i++){            Map<String,Object> map = new HashMap<String,Object>();            map.put("image", imgeIDs[i]);            map.put("title", goodsNames[i]);            map.put("info", money[i]+"元");            map.put("detail", goodsDetails[i]);            listItems.add(map);        }        return listItems;    }    class ClickEvent implements OnClickListener{        public void onClick(View v){            String goodsList="";            int sun=0;            for(int i=0;i<listItems.size();i++){                goodsList += listViewAdapter.hasChecked(i)?goodsNames[i]+" ":"";                sun +=listViewAdapter.hasChecked(i)?money[i]:0;            }            new AlertDialog.Builder(MyActivity.this)            .setTitle("点菜清单")            .setMessage("你好，你选择的菜：\n"+goodsList+"\n"+"总消费额为："+sun+"元")            .setPositiveButton("确定",null)            .show();        }    }}

自定义的类

package com.android.wei.zidingyib;import java.util.List;import java.util.Map;import android.app.AlertDialog;import android.content.Context;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.BaseAdapter;import android.widget.Button;import android.widget.CheckBox;import android.widget.CompoundButton;import android.widget.ImageView;import android.widget.TextView;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 ImageView image;        public TextView title;        public TextView info;        public CheckBox check;        public Button detail;    }    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;    }    private void checkedChange(int checkedID){        hasChecked[checkedID] = !hasChecked[checkedID];    }    public boolean hasChecked(int checkedID){        return hasChecked[checkedID];    }    private void showDetailInfo(int clickID){        new AlertDialog.Builder(context)           .setTitle("本菜详情:"+listItems.get(clickID).get("title"))           .setMessage(listItems.get(clickID).get("detail").toString())           .setPositiveButton("确定",null)           .show();    }    @Override    public View getView(int position, View convertView, ViewGroup parent) {        final int selectID= position;        ListItemView listItemView = null;        if(convertView ==null){            listItemView = new ListItemView();            convertView = listContainer.inflate(R.layout.list_item, null);            //获得控件对象            listItemView.image =(ImageView) convertView.findViewById(R.id.imageitem);            listItemView.title =(TextView) convertView.findViewById(R.id.textview);            listItemView.info =(TextView) convertView.findViewById(R.id.textview1);            listItemView.detail=(Button) convertView.findViewById(R.id.button);            listItemView.check = (CheckBox) convertView.findViewById(R.id.checkItem);           //设置空间集到convertView            convertView.setTag(listItemView);        }else{            listItemView = (ListItemView) convertView.getTag();        }        //设置文字图片        listItemView.image.setBackgroundResource((Integer)listItems.get(position).get("image"));        listItemView.title.setText((String)listItems.get(position).get("title"));        listItemView.info.setText((String) listItems.get(position).get("info"));        listItemView.detail.setText("本菜介绍");        listItemView.detail.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                // TODO Auto-generated method stub                showDetailInfo(selectID);            }        });        listItemView.check.setOnCheckedChangeListener(new CheckBox.OnCheckedChangeListener(){            public void onCheckedChanged(CompoundButton buttonView,boolean isChecked){                checkedChange(selectID);            }        });        return convertView;    }}