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首页 / 操作系统 / Linux / Android在ListView中如何action的实现

问题描述程序里的listview中有3个image buttons:play、detail、buy。每一个 image button都有各自的action。那么在 listview 中对每一个 image button 怎样执行 onclick action?我使用的代码:public class AndroidThumbnailList extends ListActivity{
      ..........
 public class MyThumbnaildapter extends ArrayAdapter<String>{
      public MyThumbnaildapter(Context context, int textViewResourceId,String[] objects) {
     super(context, textViewResourceId, objects);
            // TODO Auto-generated constructor stub
     }
      public View getView(int position, View convertView, ViewGroup parent) {
         .........
      }
 } public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
    _contentUri = MEDIA_EXTERNAL_CONTENT_URI;
    initVideosId();
  setListAdapter(new MyThumbnaildapter(AndroidThumbnailList.this, R.layout.row, _videosId));
  }
}如何在 list view 创建 action ?解决方案你需要创建自己的 Adapter, 然后 inflate 你想用的视图。然后给每个图像分配一个 OnClick 监听。给你一个我之前使用的例子public class GroupListAdapter extends BaseAdapter {private List<Group> groups;// ... constructors here@Override
public int getCount() {
    return groups.size();
}@Override
public Group getItem(int position) {
    return groups.get(position);
}@Override
public long getItemId(int position) {
    return position;
}@Override
public View getView(final int position, View convertView, final ViewGroup parent) {
    final Group group = getItem(position);    final View view;
    if (convertView == null)
        view = LayoutInflater.from(parent.getContext()).inflate(R.layout.group, null);
    else
        view = convertView;    view.setOnClickListener(new OnClickListener() {        @Override
        public void onClick(View v) {
            // do stuff when the rest of the view is clicked
        }
    });    TextView tv = (TextView) view.findViewById(R.id.group_name);
    tv.setText(group.getName());    final CheckBox check = (CheckBox) view.findViewById(R.id.group_checkbox);
    check.setOnClickListener(new OnClickListener() {        @Override
        public void onClick(View v) {
            // do stuff when clicked
        }
    });
    return view;
}
}更多Android相关信息见Android 专题页面 http://www.linuxidc.com/topicnews.aspx?tid=11