@Override
  public View getView(int position, View convertView, ViewGroup parent) {
    // TODO Auto-generated method stub

    TextView sendtimev;
    TextView commentv;
    TextView nicknamev;
    ImageView avatarURLv;

    ViewCache cache;
    if (convertView == null) { // 显示第一页的时候convertView为空

      cache = new ViewCache();

      convertView = inflater.inflate(resource, null); // 生成条目对象

      cache.sendtimev = (TextView) convertView.findViewById(R.id.sendtime);
      cache.commentv = (TextView) convertView.findViewById(R.id.comment);
      cache.nicknamev = (TextView) convertView.findViewById(R.id.nickname);
      cache.avatarURLv = (ImageView) convertView.findViewById(R.id.avatarURL);

      convertView.setTag(cache);
    } else {

      cache = (ViewCache) convertView.getTag();
    }

    sendtimev = cache.sendtimev;
    commentv = cache.commentv;
    nicknamev = cache.nicknamev;
    avatarURLv = cache.avatarURLv;

    CommentDTO comment = comments.get(position);
    // 实现数据绑定

    String avatarURL = comment.getAvatarURL();
    if (avatarURL != null && avatarURL != "") cs.setImageView(avatarURLv, avatarURL);
    else avatarURLv.setImageResource(R.drawable.default_avatar);

    String sendtime = DateUtils.getRelativeTime(comment.getSendtime());
    sendtimev.setText(sendtime);

    commentv.setText(comment.getContent());
    nicknamev.setText(comment.getNickname());

    avatarURLv.setOnClickListener(
        new OnClickListener() {

          @Override
          public void onClick(View view) {
            // TODO Auto-generated method stub
            startActivity_UserProfile();
          }
        });

    return convertView;
  }
public class CommentAdapter extends BaseAdapter {

  private List<CommentDTO> comments; // 要绑定的数据
  private int resource; // 绑定的一个条目界面的id,此例中即为item.xml
  private LayoutInflater inflater; // 布局填充器,它可以使用一个xml文件生成一个View对象,可以通过Context获取实例对象
  CoreService cs = CoreService.getCoreService();

  public CommentAdapter(Context context, ArrayList<CommentDTO> clist, int resource) {
    // TODO Auto-generated constructor stub

    inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    this.resource = resource;
    this.comments = clist;
  }

  @Override
  public int getCount() {
    // TODO Auto-generated method stub
    return comments.size();
  }

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

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

  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
    // TODO Auto-generated method stub

    TextView sendtimev;
    TextView commentv;
    TextView nicknamev;
    ImageView avatarURLv;

    ViewCache cache;
    if (convertView == null) { // 显示第一页的时候convertView为空

      cache = new ViewCache();

      convertView = inflater.inflate(resource, null); // 生成条目对象

      cache.sendtimev = (TextView) convertView.findViewById(R.id.sendtime);
      cache.commentv = (TextView) convertView.findViewById(R.id.comment);
      cache.nicknamev = (TextView) convertView.findViewById(R.id.nickname);
      cache.avatarURLv = (ImageView) convertView.findViewById(R.id.avatarURL);

      convertView.setTag(cache);
    } else {

      cache = (ViewCache) convertView.getTag();
    }

    sendtimev = cache.sendtimev;
    commentv = cache.commentv;
    nicknamev = cache.nicknamev;
    avatarURLv = cache.avatarURLv;

    CommentDTO comment = comments.get(position);
    // 实现数据绑定

    String avatarURL = comment.getAvatarURL();
    if (avatarURL != null && avatarURL != "") cs.setImageView(avatarURLv, avatarURL);
    else avatarURLv.setImageResource(R.drawable.default_avatar);

    String sendtime = DateUtils.getRelativeTime(comment.getSendtime());
    sendtimev.setText(sendtime);

    commentv.setText(comment.getContent());
    nicknamev.setText(comment.getNickname());

    avatarURLv.setOnClickListener(
        new OnClickListener() {

          @Override
          public void onClick(View view) {
            // TODO Auto-generated method stub
            startActivity_UserProfile();
          }
        });

    return convertView;
  }

  private static class ViewCache {

    public TextView commentv;
    public TextView sendtimev;
    public TextView nicknamev;
    public ImageView avatarURLv;
  }

  public void startActivity_UserProfile() {
    Intent intent =
        new Intent(inflater.getContext().getApplicationContext(), Activity_UserProfile.class);
    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    inflater.getContext().getApplicationContext().startActivity(intent);
  }
}
Example #3
0
 public void init() throws ServletException {
   super.init();
   service = CoreService.getCoreService();
 }