我已經(jīng)實(shí)現(xiàn)了 expandablelistview 并且工作正常?，F(xiàn)在我想在每個(gè)子列表的末尾添加“加載更多”按鈕，這樣如果用戶單擊它，它將從服務(wù)器獲取更多項(xiàng)目。無(wú)論如何要這樣做，因?yàn)樵谒阉髁撕芏嘀笪艺也坏饺魏螙|西。非常感謝任何指導(dǎo)。這是我的自定義適配器：public class ExpandableListAdapterAssets extends BaseExpandableListAdapter implements Filterable {List<View> groupViews;ItemFilter mFilter;boolean showCheckBox;ArrayList<Asset> assetsToClaim;private Context _context;private List<AssetCategory> _listDataHeader; // header titles// child data in format of header title, child titleprivate HashMap<Integer, List<Asset>> _listDataChild;private RequestBackendHelper requestBackendHelper;public ExpandableListAdapterAssets(Context context, List<AssetCategory> listDataHeader,                                   HashMap<Integer, List<Asset>> listChildData, boolean b){    this._context = context;    this._listDataHeader = listDataHeader;    this._listDataChild = listChildData;    groupViews = new ArrayList<>();    showCheckBox = b;    assetsToClaim = new ArrayList<>();}@Overridepublic Asset getChild(int groupPosition, int childPosition){    return this._listDataChild.get(this._listDataHeader.get(groupPosition).getId())            .get(childPosition);}public List<Asset> getChildList(int groupPosition){    return this._listDataChild.get(this._listDataHeader.get(groupPosition).getId());}@Overridepublic long getChildId(int groupPosition, int childPosition){    return childPosition;}@Overridepublic View getChildView(final int groupPosition, final int childPosition,                         boolean isLastChild, View convertView, ViewGroup parent){    final Asset assetChild = getChild(groupPosition, childPosition);    if (convertView == null)    {        LayoutInflater infalInflater = (LayoutInflater) this._context                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);        convertView = infalInflater.inflate(R.layout.list_item, null);    }    TextView assetName = (TextView) convertView            .findViewById(R.id.txt_asset_name);    assetName.setText(assetChild.getName());