【转】为ListView每个Item上面的按钮添加事件

原文网址：http://blog.csdn.net/qq435757399/article/details/8256453

1.先看下效果图：

      

在这里仅供测试，我把数据都写死了，根据需要可以自己进行修改，此外实现ListView上面每个Item上的Button的事件有两种方法：

1.使用final变量扩展局部变量的生命周期范围主要代码（本文最后附全部代码）：

//注意原本getView方法中的int position变量是非final的，现在改为final
        @Override
        public View getView(final int position, View convertView, ViewGroup parent) {
             ViewHolder holder = null;
            if (convertView == null) {

                holder=new ViewHolder();

                //可以理解为从vlist获取view  之后把view返回给ListView
                convertView = mInflater.inflate(R.layout.vlist, null);
                holder.title = (TextView)convertView.findViewById(R.id.title);
                holder.info = (TextView)convertView.findViewById(R.id.info);
                holder.viewBtn = (Button)convertView.findViewById(R.id.view_btn);
                convertView.setTag(holder);
            }else {
                holder = (ViewHolder)convertView.getTag();
            }

            holder.title.setText((String)mData.get(position).get("title"));
            holder.info.setText((String)mData.get(position).get("info"));
            holder.viewBtn.setTag(position);
            //给Button添加单击事件  添加Button之后ListView将失去焦点  需要的直接把Button的焦点去掉
            holder.viewBtn.setOnClickListener(new View.OnClickListener() {

                @Override
                public void onClick(View v) {
                    showInfo(position);
                }
            });

            //holder.viewBtn.setOnClickListener(MyListener(position));

            return convertView;
        }
    }

    //提取出来方便点
    public final class ViewHolder {
        public TextView title;
        public TextView info;
        public Button viewBtn;
    }
    public void showInfo(int position){

        ImageView img=new ImageView(ListViewActivity.this);
        img.setImageResource(R.drawable.b);
        new AlertDialog.Builder(this).setView(img)
        .setTitle("详情"+position)
        .setMessage("菜名："+title[position]+"   价格:"+info[position])
        .setPositiveButton("确定", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
            }
        })
        .show();
    }

2.使用类记录每个Button的位置，使每个BUTTON都有自己的Listener主要代码：

//****************************************第二种方法，高手一般都用此种方法,具体原因，我还不清楚,有待研究

        public View getView(int position, View convertView, ViewGroup parent) {
             ViewHolder holder = null;
             MyListener myListener=null;
            if (convertView == null) {

                holder=new ViewHolder();

                //可以理解为从vlist获取view  之后把view返回给ListView
                 myListener=new MyListener(position);

                convertView = mInflater.inflate(R.layout.vlist, null);
                holder.title = (TextView)convertView.findViewById(R.id.title);
                holder.info = (TextView)convertView.findViewById(R.id.info);
                holder.viewBtn = (Button)convertView.findViewById(R.id.view_btn);
                convertView.setTag(holder);
            }else {
                holder = (ViewHolder)convertView.getTag();
            }

            holder.title.setText((String)mData.get(position).get("title"));
            holder.info.setText((String)mData.get(position).get("info"));
            holder.viewBtn.setTag(position);
            //给Button添加单击事件  添加Button之后ListView将失去焦点  需要的直接把Button的焦点去掉
            holder.viewBtn.setOnClickListener( myListener);

            //holder.viewBtn.setOnClickListener(MyListener(position));

            return convertView;
        }
    }

     private class MyListener implements OnClickListener{
            int mPosition;
            public MyListener(int inPosition){
                mPosition= inPosition;
            }
            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                Toast.makeText(ListViewActivity.this, title[mPosition], Toast.LENGTH_SHORT).show();
            }

        }










    //提取出来方便点
    public final class ViewHolder {
        public TextView title;
        public TextView info;
        public Button viewBtn;
    }

3.全部代码

1.ListViewActivity.java全部代码：

package ms.ListView;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

public class ListViewActivity extends Activity {
    /** Called when the activity is first created. */
    private List<Map<String, Object>> mData;
    private int flag;
    public static String title[]=new String[]{"菜名0","菜名1","菜名2","菜名3","菜名4","菜名5","菜名6","菜名7","菜名8","菜名9"};
    public static String info[]=new String[]{ "￥：28","￥：28","￥：28","￥：28","￥：28","￥：28","￥：28","￥：28","￥：28","￥：28",};


    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        mData = getData();
        ListView listView = (ListView) findViewById(R.id.listView);
        MyAdapter adapter = new MyAdapter(this);
        listView.setAdapter(adapter);


    }



    //获取动态数组数据  可以由其他地方传来(json等)
    private List<Map<String, Object>> getData() {
        List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();
for(int i=0;i<title.length;i++){
        Map<String, Object> map = new HashMap<String, Object>();
        map.put("title", title[i]);
        map.put("info", info[i]);
        list.add(map);
}

        return list;
    }

    public class MyAdapter extends BaseAdapter {

        private LayoutInflater mInflater;

        public MyAdapter(Context context) {
            this.mInflater = LayoutInflater.from(context);
        }

        @Override
        public int getCount() {
            // TODO Auto-generated method stub
            return mData.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;
        }
        //****************************************final方法
//注意原本getView方法中的int position变量是非final的，现在改为final
        @Override
        public View getView(final int position, View convertView, ViewGroup parent) {
             ViewHolder holder = null;
            if (convertView == null) {

                holder=new ViewHolder();

                //可以理解为从vlist获取view  之后把view返回给ListView

                convertView = mInflater.inflate(R.layout.vlist, null);
                holder.title = (TextView)convertView.findViewById(R.id.title);
                holder.info = (TextView)convertView.findViewById(R.id.info);
                holder.viewBtn = (Button)convertView.findViewById(R.id.view_btn);
                convertView.setTag(holder);
            }else {
                holder = (ViewHolder)convertView.getTag();
            }

            holder.title.setText((String)mData.get(position).get("title"));
            holder.info.setText((String)mData.get(position).get("info"));
            holder.viewBtn.setTag(position);
            //给Button添加单击事件  添加Button之后ListView将失去焦点  需要的直接把Button的焦点去掉
            holder.viewBtn.setOnClickListener(new View.OnClickListener() {

                @Override
                public void onClick(View v) {
                    showInfo(position);
                }
            });

            //holder.viewBtn.setOnClickListener(MyListener(position));

            return convertView;
        }
    }
        //****************************************第二种方法，高手一般都用此种方法,具体原因，我还不清楚,有待研究

//      public View getView(int position, View convertView, ViewGroup parent) {
//           ViewHolder holder = null;
//           MyListener myListener=null;
//          if (convertView == null) {
//
//              holder=new ViewHolder();
//
//              //可以理解为从vlist获取view  之后把view返回给ListView
//               myListener=new MyListener(position);
//
//              convertView = mInflater.inflate(R.layout.vlist, null);
//              holder.title = (TextView)convertView.findViewById(R.id.title);
//              holder.info = (TextView)convertView.findViewById(R.id.info);
//              holder.viewBtn = (Button)convertView.findViewById(R.id.view_btn);
//              convertView.setTag(holder);
//          }else {
//              holder = (ViewHolder)convertView.getTag();
//          }
//
//          holder.title.setText((String)mData.get(position).get("title"));
//          holder.info.setText((String)mData.get(position).get("info"));
//          holder.viewBtn.setTag(position);
//          //给Button添加单击事件  添加Button之后ListView将失去焦点  需要的直接把Button的焦点去掉
//          holder.viewBtn.setOnClickListener( myListener);
//
//          //holder.viewBtn.setOnClickListener(MyListener(position));
//
//          return convertView;
//      }
//  }
//
//   private class MyListener implements OnClickListener{
//          int mPosition;
//          public MyListener(int inPosition){
//              mPosition= inPosition;
//          }
//          @Override
//          public void onClick(View v) {
//              // TODO Auto-generated method stub
//              Toast.makeText(ListViewActivity.this, title[mPosition], Toast.LENGTH_SHORT).show();
//          }
//
//      }
//
//








    //提取出来方便点
    public final class ViewHolder {
        public TextView title;
        public TextView info;
        public Button viewBtn;
    }
    public void showInfo(int position){

        ImageView img=new ImageView(ListViewActivity.this);
        img.setImageResource(R.drawable.b);
        new AlertDialog.Builder(this).setView(img)
        .setTitle("详情"+position)
        .setMessage("菜名："+title[position]+"   价格:"+info[position])
        .setPositiveButton("确定", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
            }
        })
        .show();
    }


}

2.main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <ListView
        android:id="@+id/listView"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:divider="@drawable/list_line"
        android:dividerHeight="1dip" />

</LinearLayout>

3.vlist.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <ListView
        android:id="@+id/listView"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:divider="@drawable/list_line"
        android:dividerHeight="1dip" />

</LinearLayout>

4.btn_detail_selecter.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:drawable="@drawable/btn_detail_normal" android:state_enabled="true" android:state_focused="false" android:state_pressed="false"/>
    <item android:drawable="@drawable/btn_detail_pressed" android:state_enabled="true" android:state_pressed="true"/>
    <item android:drawable="@drawable/btn_detail_pressed" android:state_enabled="true" android:state_focused="true"/>

</selector>

5.item.xml

<?xml version="1.0" encoding="UTF-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:drawable="@drawable/item_higlight" android:state_focused="true" android:state_pressed="false"/>
    <item android:drawable="@drawable/item_higlight" android:state_focused="false" android:state_pressed="true"/>
    <item android:drawable="@drawable/item_higlight" android:state_selected="true"/>
    <item android:drawable="@drawable/item_higlight" android:state_focused="true"/>
    <item android:drawable="@drawable/item_higlight"/>

</selector>

6.colors.xml

<?xml version="1.0" encoding="UTF-8"?>
<resources>
    <color name="region">#8000ff00</color>
    <color name="listTitle">#ff23323b</color>
    <color name="text">#ff848f9b</color>
    <color name="write">#ffffffff</color>
</resources>

7.values.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>

    <string name="hello">Hello World, ListViewActivity!</string>
    <string name="app_name">ListView</string>

</resources>

8.drawables.xml

<?xml version="1.0" encoding="UTF-8"?>
<resources>
    <item type="drawable" name="bg">#80000000</item>
    <item type="drawable" name="transparent">#00000000</item>
    <item type="drawable" name="lightblue">#ffcfe1ed</item>
    <item type="drawable" name="readmenu_btn_bg_f">#30ffffff</item>
    <item type="drawable" name="readmenu_btn_bg_p">#50ffffff</item>
    <item type="drawable" name="blackMask">#30000000</item>
</resources>

需要源码的请到github  clone，方便的话Follow一下哈： https://github.com/Juneor/ListViewButtonListener