未在Searchview中显示正确的Listview项

// 在Activity或Fragment中设置SearchView的监听器
searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
    @Override
    public boolean onQueryTextSubmit(String query) {
        return false;
    }

    @Override
    public boolean onQueryTextChange(String newText) {
        // 根据搜索框中的文本更新数据源
        List<String> filteredList = filterData(newText);
        // 刷新Listview的显示
        adapter.setData(filteredList);
        adapter.notifyDataSetChanged();
        return true;
    }
});

// 在适配器中实现过滤器
@Override
public Filter getFilter() {
    return new Filter() {
        @Override
        protected FilterResults performFiltering(CharSequence constraint) {
            FilterResults results = new FilterResults();
            List<String> filteredList = filterData(constraint.toString());
            results.values = filteredList;
            results.count = filteredList.size();
            return results;
        }

        @Override
        protected void publishResults(CharSequence constraint, FilterResults results) {
            setData((List<String>) results.values);
            notifyDataSetChanged();
        }
    };
}

// 根据搜索框中的文本对数据源进行过滤
private List<String> filterData(String searchText) {
    List<String> filteredList = new ArrayList<>();
    for (String item : dataList) {
        if (item.contains(searchText)) {
            filteredList.add(item);
        }
    }
    return filteredList;
}