1 package com.ivan.adapter;
 2 
 3 import java.util.List;
 4 
 5 import android.content.Context;
 6 import android.util.Log;
 7 import android.view.LayoutInflater;
 8 import android.view.View;
 9 import android.view.View.OnClickListener;
10 import android.view.ViewGroup;
11 import android.widget.BaseAdapter;
 
12 import android.widget.Button;
13 import android.widget.TextView;
14 
15 import com.ivan.listvieweventabstract.R;
16 
17 public class ContentAdapter extends BaseAdapter {
18 
19     private static final String TAG = "ContentAdapter";
20     private List<String> mContentList;
21     private LayoutInflater mInflater;
 
22     private MyClickListener mListener;
23 
24     public ContentAdapter(Context context, List<String> contentList,
25             MyClickListener listener) {
26         mContentList = contentList;
27         mInflater = LayoutInflater.from(context);
28         mListener = listener;
29     }
 
30 
31     @Override
32     public int getCount() {
33         Log.i(TAG, "getCount");
34         return mContentList.size();
35     }
36 
37     @Override
38     public Object getItem(int position) {
39         Log.i(TAG, "getItem");
40         return mContentList.get(position);
41     }
42 
43     @Override
44     public long getItemId(int position) {
45         Log.i(TAG, "getItemId");
46         return position;
47     }
48 
49     @Override
50     public View getView(int position, View convertView, ViewGroup parent) {
51         Log.i(TAG, "getView");
52         ViewHolder holder = null;
53         if (convertView == null) {
54             convertView = mInflater.inflate(R.layout.list_item, null);
55             holder = new ViewHolder();
56             holder.textView = (TextView) convertView
57                     .findViewById(R.id.textView1);
58             holder.button = (Button) convertView.findViewById(R.id.button1);
59             convertView.setTag(holder);
60         } else {
61             holder = (ViewHolder) convertView.getTag();
62         }
63         holder.textView.setText(mContentList.get(position));
64         holder.button.setOnClickListener(mListener);
65         holder.button.setTag(position);
66         return convertView;
67     }
68 
69     public class ViewHolder {
70         public TextView textView;
71         public Button button;
72     }
73 
74     /**
75      * 用於回撥的抽象類
76      * @author Ivan Xu
77      * 2014-11-26
78      */
79     public static abstract class MyClickListener implements OnClickListener {
80         /**
81          * 基類的onClick方法
82          */
83         @Override
84         public void onClick(View v) {
85             myOnClick((Integer) v.getTag(), v);
86         }
87         public abstract void myOnClick(int position, View v);
88     }
89 }