Android自定义适配器过滤器正常,但listview未更新
我有一个自定义适配器,可以显示电话列表中的联系人和按钮。正如标题所述,过滤器工作正常(列表计数发生变化),但listview保留相同的数据,如果计数为3,则listview显示前3个条目 适配器的类:Android自定义适配器过滤器正常,但listview未更新,android,listview,android-listview,Android,Listview,Android Listview,我有一个自定义适配器,可以显示电话列表中的联系人和按钮。正如标题所述,过滤器工作正常(列表计数发生变化),但listview保留相同的数据,如果计数为3,则listview显示前3个条目 适配器的类: public class UserCustomAdapter extends ArrayAdapter<User> { Context context; int layoutResourceId; ArrayList<User> da
public class UserCustomAdapter extends ArrayAdapter<User> {
Context context;
int layoutResourceId;
ArrayList<User> data = new ArrayList<User>();
public UserCustomAdapter(Context context, int layoutResourceId,
ArrayList<User> data) {
super(context, layoutResourceId, data);
this.layoutResourceId = layoutResourceId;
this.context = context;
this.data = data;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View row = convertView;
UserHolder holder = null;
if (row == null) {
LayoutInflater inflater = ((Activity) context).getLayoutInflater();
row = inflater.inflate(layoutResourceId, parent, false);
holder = new UserHolder();
holder.textName = (TextView) row.findViewById(R.id.textView1);
holder.number = (TextView) row.findViewById(R.id.textView2);
holder.textLocation = (TextView) row.findViewById(R.id.textView3);
holder.btnEdit = (Button) row.findViewById(R.id.Share);
holder.btnInvite = (Button) row.findViewById(R.id.button2);
row.setTag(holder);
} else {
holder = (UserHolder) row.getTag();
}
final User user = data.get(position);
holder.textName.setText(user.getName());
holder.number.setText(user.getNumber());
holder.textLocation.setText(user.getLocation());
if(user.isMember())
holder.btnInvite.setVisibility(View.INVISIBLE);
return row;
}
你应该使用
final User user = getItem(position);
而不是
final User user = data.get(position);
因为您依赖于
ArrayAdapter
的Filter
实现 成功了!!在编写代码时,我完全忘记了我在适配器类中。
final User user = data.get(position);