import com.baidu.mapapi.search.poi.OnGetPoiSearchResultListener; //导入依赖的package包/类
/**
 * 输入框监听---输入完毕
 *
 * @param s
 */
@Override
public void afterTextChanged(Editable s) {
    if (s.length() == 0 || "".equals(s.toString())) {
        searchPois.setVisibility(View.GONE);
    } else {
        //创建PoiSearch实例
        PoiSearch poiSearch = PoiSearch.newInstance();
        //城市内检索
        PoiCitySearchOption poiCitySearchOption = new PoiCitySearchOption();
        //关键字
        poiCitySearchOption.keyword(s.toString());
        //城市
        poiCitySearchOption.city(city);
        //设置每页容量，默认为每页10条
        poiCitySearchOption.pageCapacity(10);
        //分页编号
        poiCitySearchOption.pageNum(1);
        poiSearch.searchInCity(poiCitySearchOption);
        //设置poi检索监听者
        poiSearch.setOnGetPoiSearchResultListener(new OnGetPoiSearchResultListener() {
            //poi 查询结果回调
            @Override
            public void onGetPoiResult(PoiResult poiResult) {
                List<PoiInfo> poiInfos = poiResult.getAllPoi();
                PoiSearchAdapter poiSearchAdapter = new PoiSearchAdapter(MainActivity.this, poiInfos, locationLatLng);
                searchPois.setVisibility(View.VISIBLE);
                searchPois.setAdapter(poiSearchAdapter);
            }

            //poi 详情查询结果回调
            @Override
            public void onGetPoiDetailResult(PoiDetailResult poiDetailResult) {
            }
        });
    }
}