添加依赖:(注意,作者一直更新维护,请以最新的版本添加)
amap_map_fluttify: ^0.10.2 amap_search_fluttify: ^0.3.4
代码实现:
import ‘package:amap_map_fluttify/amap_map_fluttify.dart‘; import ‘package:flutter/material.dart‘; import ‘package:amap_search_fluttify/amap_search_fluttify.dart‘; import ‘package:demo/resources/custom_text_style.dart‘; import ‘package:demo/utils/misc.dart‘; import ‘package:demo/widgets/network_state/page_loading.dart‘; class SelectLocationFromMapPage extends StatefulWidget { @override _SelectLocationFromMapPageState createState() => _SelectLocationFromMapPageState(); } class _SelectLocationFromMapPageState extends State<SelectLocationFromMapPage> { AmapController _controller; List<Poi> poiList; static List<PoiModel> list = new List(); static List<PoiModel> searchlist = new List(); PoiModel poiModel; String keyword = ""; String address = ""; bool isloading = true; @override void initState() { super.initState(); } @override Widget build(BuildContext context) { return Scaffold( resizeToAvoidBottomPadding: false, //防止底部布局被顶起 appBar: AppBar( title: Text( ‘选择位置信息‘, style: CustomTextStyle.appBarTitleTextStyle, ), elevation: 0.0, centerTitle: true, ), body: Column( children: <Widget>[ Theme( data: new ThemeData( primaryColor: Color(0xFFFFCA28), hintColor: Color(0xFFFFCA28)), child: Container( color: Color(0xFFFFCA28), padding: EdgeInsets.all(5), child: Container( height: 36, margin: EdgeInsets.only(left: 5, right: 5, bottom: 5), child: TextField( style: TextStyle(fontSize: 16, letterSpacing: 1.0), controller: TextEditingController.fromValue(TextEditingValue( // 设置内容 text: keyword, selection: TextSelection.fromPosition(TextPosition( affinity: TextAffinity.downstream, offset: keyword?.length ?? 0)), // 保持光标在最后 )), decoration: InputDecoration( border: OutlineInputBorder( borderRadius: BorderRadius.all(Radius.circular(40)), ), hintText: ‘输入关键字‘, hintStyle: TextStyle(color: Color(0xFFBEBEBE), fontSize: 14), contentPadding: const EdgeInsets.symmetric(vertical: 8, horizontal: 1), prefixIcon: Icon( Icons.search, color: Colors.grey, size: 20, ), suffixIcon: IconButton( icon: Icon( Icons.clear, color: Colors.grey, size: 20, ), onPressed: () { keyword = ""; setState(() {}); }, ), fillColor: Colors.white, filled: true, ), inputFormatters: [], //内容改变的回调 onChanged: (text) { print(‘change $text‘); keyword = text; }, //内容提交(按回车)的回调 onSubmitted: (text) { print(‘submit $text‘); // 触发关闭弹出来的键盘。 keyword = text; setState(() { isloading = true; FocusScope.of(context).requestFocus(FocusNode()); }); searchAroundAddress(text.toString()); }, //按回车时调用 onEditingComplete: () { print(‘onEditingComplete‘); }, ), ), ), ), Container( height: 300, child: Stack( children: <Widget>[ AmapView( showZoomControl: false, centerCoordinate: LatLng(39, 110), maskDelay: Duration(milliseconds: 500), zoomLevel: 16, onMapCreated: (controller) async { _controller = controller; if (await requestPermission()) { await controller.showMyLocation(true); await controller?.showLocateControl(true); final latLng = await _controller?.getLocation( delay: Duration(seconds: 2)); await enableFluttifyLog(false); // 关闭log _loadData(latLng); } }, onMapMoveEnd: (MapMove move) async { _loadData(move.latLng); }, ), Center( child: Icon( Icons.place, size: 36.0, color: Color(0xFFFF0000), ), ), ], ), ), Expanded( flex: 1, child: Visibility( visible: !isloading, maintainSize: false, maintainSemantics: false, maintainInteractivity: false, replacement: PageLoading(), child: ListView.builder( itemCount: list.length, itemBuilder: (BuildContext context, int position) { print("itemBuilder" + list.length.toString()); PoiModel item = list[position]; return InkWell( child: Column( children: <Widget>[ Container( margin: EdgeInsets.only(top: 8, bottom: 5, left: 10), child: Row( children: <Widget>[ Icon( Icons.place, size: 20.0, color: position == 0 ? Colors.green : Colors.grey, ), Text(item.title, style: TextStyle( fontSize: 16, color: position == 0 ? Colors.green : Color(0xFF787878))) ], ), ), Container( margin: EdgeInsets.only(top: 5, bottom: 5, left: 18), alignment: Alignment.centerLeft, child: Text( item.address, style: TextStyle( fontSize: 14, color: Color(0xFF646464), ), ), ), Divider( height: 1, ) ], ), onTap: () async { await _controller.setCenterCoordinate( item.latLng.latitude, item.latLng.longitude, zoomLevel: 16); Navigator.pop(context, { ‘address‘: item.address, }); }, ); }), ), ), ], ), ); } void _loadData(LatLng latLng) async { setState(() { isloading = true; }); /// 逆地理编码(坐标转地址) ReGeocode reGeocodeList = await AmapSearch.searchReGeocode( latLng, ); print(await reGeocodeList.toFutureString()); address = await reGeocodeList.formatAddress; final poiList = await AmapSearch.searchKeyword( address.toString(), city: "西安", ); poiModel = new PoiModel("当前位置", address, latLng); list.clear(); list.add(poiModel); for (var poi in poiList) { String title = await poi.title; String cityName = await poi.cityName; String provinceName = await poi.provinceName; String address = await poi.address; LatLng latLng = await poi.latLng; list.add(new PoiModel( title.toString(), provinceName.toString() + cityName.toString() + address.toString(), latLng)); } setState(() { isloading = false; }); } void searchAroundAddress(String text) async { final poiList = await AmapSearch.searchKeyword( text, city: "西安", ); list.clear(); list.add(poiModel); for (var poi in poiList) { String title = await poi.title; LatLng latLng = await poi.latLng; String cityName = await poi.cityName; String provinceName = await poi.provinceName; String address = await poi.address; list.add(new PoiModel( title.toString(), provinceName.toString() + cityName.toString() + address.toString(), latLng)); } setState(() { isloading = false; FocusScope.of(context).requestFocus(FocusNode()); }); } } class PoiModel { LatLng latLng; String title; String address; PoiModel(this.title, this.address, this.latLng); }
misc.dart
import ‘package:permission_handler/permission_handler.dart‘; Future<bool> requestPermission() async { final permissions = await PermissionHandler().requestPermissions([PermissionGroup.location]); if (permissions[PermissionGroup.location] == PermissionStatus.granted) { return true; } else { ToastUtils.toastLong("需要定位权限!"); return false; } }
pageloading.dart
import ‘package:flutter/cupertino.dart‘; import ‘package:flutter/material.dart‘; class PageLoading extends StatelessWidget { @override Widget build(BuildContext context) { return Center( child: Row( mainAxisAlignment: MainAxisAlignment.center, crossAxisAlignment: CrossAxisAlignment.center, children: <Widget>[ CupertinoActivityIndicator(), // Text(‘ 正在加载‘, style: TextStyle(fontSize: 16.0),), ], ), ); } }
效果:
原文地址:https://www.cnblogs.com/loaderman/p/11993837.html
时间: 2024-11-13 10:42:53