ListView 数据混乱处理
该继承自BaseAdapter的类,以下的重写方法,实现如下。<span style="font-family: Arial, Helvetica, sans-serif;"> //以下是使用数据模型,重新构建视图,在ListView中存在重用View的问题,故而,在滚动刷新一个新view的数据就是根据数据中得数据重新设置即可</span>
<pre name="code" class="java">@Override
public View getView(int i, View view, ViewGroup viewGroup) {
ViewHolder viewHolder;
if(view == null){
view = View.inflate(context, R.layout.stop_item_activity,null);
viewHolder = new ViewHolder();
viewHolder.stopTitle = (TextView) view.findViewById(R.id.stop_title_textview);
viewHolder.sortTextView = (TextView) view.findViewById(R.id.stop_seq_state_shape);
viewHolder.liveIconImageView = (ImageView) view.findViewById(R.id.live_icon_imageview);
viewHolder.stopDetailTextView = (TextView) view.findViewById(R.id.stop_detail_textview);
view.setTag(viewHolder);
}else{
viewHolder = (ViewHolder)view.getTag();
}
//begin 实时公交页面渲染
//
if(stopList.get(i).getHasBus()){
viewHolder.sortTextView.setVisibility(View.GONE);
viewHolder.liveIconImageView.setVisibility(View.VISIBLE);
viewHolder.stopDetailTextView.setVisibility(View.VISIBLE);
viewHolder.stopTitle.setTextColor(Color.RED);
}else{//此分支必须要,重置viewHolder中view中得值
viewHolder.sortTextView.setVisibility(View.VISIBLE);
viewHolder.liveIconImageView.setVisibility(View.GONE);
viewHolder.stopDetailTextView.setVisibility(View.GONE);
viewHolder.stopTitle.setTextColor(Color.GRAY);
}
String tipText = "车辆"+stopList.get(i).getBusselfid()+"于"+stopList.get(i).getActdatetime()+"到达此站";
viewHolder.stopDetailTextView.setText(tipText);
//end
viewHolder.stopTitle.setText(stopList.get(i).getStop_name());
viewHolder.sortTextView.setText(i+1+ "");
viewHolder.line_code = stopList.get(i).getLine_code();
viewHolder.line_seq = stopList.get(i).getStop_seq();
return view;
}
public class ViewHolder{
public TextView stopTitle;
public String line_code;
public String line_seq;
public TextView sortTextView;//序号,1,2,3
public boolean hasBus;
public String busSelfId;
public String actDatetime;
public ImageView liveIconImageView;
public TextView stopDetailTextView;
}