import 'package:flutter/material.dart'; import 'package:flutter_easyrefresh/easy_refresh.dart'; import 'package:get/get.dart'; import 'package:akuCommunity/constants/application_objects.dart'; import 'package:akuCommunity/utils/headers.dart'; import 'package:akuCommunity/utils/login_util.dart'; import 'package:akuCommunity/widget/bee_back_button.dart'; class BeeSearch extends StatefulWidget { BeeSearch({Key key}) : super(key: key); @override _BeeSearchState createState() => _BeeSearchState(); } class _BeeSearchState extends State { TextEditingController _textEditingController = TextEditingController(); List get _searchAppObjects { if (_textEditingController.text.isEmpty) return []; return appObjects .where((element) => element.title.contains(_textEditingController.text)) .toList(); } _renderSearchResultBox(String title, {Widget child, bool visible = true}) { if (!visible) return SizedBox().sliverBoxAdapter(); return Column( crossAxisAlignment: CrossAxisAlignment.start, children: [ title.text.size(28.sp).make(), Divider(), child, ], ).p(32.w).material(color: Colors.white).sliverBoxAdapter(); } Widget _buildColumnIcon(AO e) { return MaterialButton( onPressed: () { if (LoginUtil.isNotLogin) return; Get.to(e.page); }, shape: StadiumBorder(), child: Column( mainAxisAlignment: MainAxisAlignment.center, children: [ Image.asset( e.path, height: 75.w, width: 75.w, ), 8.hb, e.title.text.size(24.sp).make(), ], ), ); } @override Widget build(BuildContext context) { return Scaffold( backgroundColor: Color(0xFFF2F2F2), appBar: AppBar( backgroundColor: Colors.white, leading: BeeBackButton(), elevation: 0, title: Row( children: [ 40.wb, Icon( Icons.search, size: 32.w, color: Color(0xFF666666), ), TextField( controller: _textEditingController, onChanged: (_) => setState(() {}), decoration: InputDecoration( isDense: true, contentPadding: EdgeInsets.symmetric(vertical: 10.w, horizontal: 10.w), border: InputBorder.none, hintText: '搜索商品、活动、帖子、应用', hintStyle: TextStyle( color: Color(0xFF999999), fontSize: 28.sp, ), ), ).expand(), ], ) .box .color(Color(0xFFF3F3F3)) .withRounded(value: 36.w) .height(72.w) .alignment(Alignment.center) .make(), ), body: EasyRefresh( child: CustomScrollView( slivers: [ 32.hb.sliverBoxAdapter(), _renderSearchResultBox( '应用', child: GridView.count( crossAxisCount: 4, shrinkWrap: true, physics: NeverScrollableScrollPhysics(), children: _searchAppObjects.map((e) => _buildColumnIcon(e)).toList(), ), visible: _searchAppObjects.isNotEmpty, ), ], ), ), ); } }