我使用了自定义行至极一个ListView中有2个TextViews。我已经制作了自己的适配器,并且它与我的列表正常工作。现在,我希望用户输入2个文本,然后在我的ListView中插入一个新行(用户输入)。我试着用add方法,但我得到UnsupportedOperationException。我是否也必须重写add方法?如果是的话,我需要做些什么?谢谢。如何修改几个textviews同一行一个ListView
我要粘贴代码的片段。让我知道你是否需要进一步的信息。
public class ChatAdapter extends ArrayAdapter<ChatItems>{
Context context;
int textViewResourceId;
ChatItems[] objects;
public ChatAdapter(Context context, int textViewResourceId,
ChatItems[] objects) {
super(context, textViewResourceId, objects);
this.context = context;
this.textViewResourceId = textViewResourceId;
this.objects = objects;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View row = convertView;
ChatHolder holder = null;
if(row == null){
LayoutInflater inflater = ((Activity)context).getLayoutInflater();
row = inflater.inflate(textViewResourceId, null);
holder = new ChatHolder();
holder.user = (TextView) row.findViewById(R.id.textUser);
holder.msg = (TextView) row.findViewById(R.id.textText);
row.setTag(holder);
}else
holder = (ChatHolder) row.getTag();
ChatItems items = objects[position];
holder.msg.setText(items.msg);
holder.user.setText(items.user);
return row;
}
static class ChatHolder{
TextView user;
TextView msg;
}
}
public class ChatItems {
String user;
String msg;
public ChatItems(String user, String msg){
this.user = user;
this.msg = msg;
}
}
谢谢您的快速ansers!你们都是对的(Sa Dec)。我正在使用一个简单的数组而不是ArrayList。一旦改变它正常工作。 – Godraude 2012-07-28 14:52:54