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329 lines
12 KiB
329 lines
12 KiB
import 'package:dio/dio.dart'; |
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import 'package:flutter/cupertino.dart'; |
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import 'package:flutter/material.dart'; |
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import 'package:flutter_easyloading/flutter_easyloading.dart'; |
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import 'package:flutter_screenutil/flutter_screenutil.dart'; |
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import 'package:geolocator/geolocator.dart'; |
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import 'package:huixiang/generated/l10n.dart'; |
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import 'package:huixiang/retrofit/retrofit_api.dart'; |
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import 'package:huixiang/view_widget/request_permission.dart'; |
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import 'package:intl/intl.dart'; |
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import 'package:permission_handler/permission_handler.dart' as PH; |
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import '../data/address.dart'; |
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import 'font_weight.dart'; |
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class LocationInstance { |
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static LocationInstance? _instance; |
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LocationInstance._internal() {} |
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|
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static LocationInstance getInstance() { |
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if (_instance == null) { |
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_instance = LocationInstance._internal(); |
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} |
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return _instance!; |
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} |
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|
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Future<bool> startLocation( |
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context, Function(Position? locationData) locationCallback) async { |
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LocationPermission permissionStatus = await Geolocator.checkPermission(); |
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if (permissionStatus == LocationPermission.denied) { |
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permissionStatus = await Geolocator.requestPermission(); |
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} |
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if (permissionStatus == LocationPermission.denied) { |
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showTipsAlertDialog(context); |
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return false; |
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} |
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if (permissionStatus == LocationPermission.deniedForever) { |
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showTipsAlertDialog(context); |
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return false; |
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} |
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if (permissionStatus == LocationPermission.whileInUse || |
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permissionStatus == LocationPermission.always) { |
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bool isNext = true; |
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Future.delayed(Duration(seconds: 5), () { |
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if (isNext) { |
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EasyLoading.dismiss(); |
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} |
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}); |
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Position locationData = await Geolocator.getCurrentPosition( |
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desiredAccuracy: LocationAccuracy.medium, |
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timeLimit: const Duration(seconds: 30), |
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forceAndroidLocationManager: true, |
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); |
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isNext = false; |
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locationCallback.call(locationData); |
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} |
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return true; |
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} |
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void stopLocation() {} |
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enableLocation(context) { |
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showCupertinoDialog( |
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context: context, |
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builder: (context) { |
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return RequestPermission( |
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"assets/image/icon_permission_location_bg.webp", |
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S.of(context).nindingweigongnengweikaiqi, |
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S.of(context).weilexiangnintuijianfujindemendianxinxi, |
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S.of(context).dakaidingwei, |
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(result) async { |
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if (result) { |
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// final AndroidIntent intent = AndroidIntent( |
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// action: 'action_location_source_settings', |
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// package: "com.zsw.huixiang", |
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// ); |
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// await intent.launch(); |
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Geolocator.openLocationSettings(); |
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// startLocation(); |
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} |
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}, |
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heightRatioWithWidth: 0.82, |
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); |
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}, |
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); |
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} |
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requestDialog(context, Function(Position? result) locationCallback) { |
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showCupertinoDialog( |
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context: context, |
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builder: (context) { |
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return RequestPermission( |
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"assets/image/icon_permission_location_bg.webp", |
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S.of(context).nindingweiquanxianweiyunxu, |
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S.of(context).weilexiangnintuijianfujindemendianxinxi, |
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S.of(context).kaiqiquanxian, |
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(result) async { |
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if (result) { |
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await PH.openAppSettings(); |
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if ((await Geolocator.checkPermission()) == |
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LocationPermission.whileInUse || |
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(await Geolocator.checkPermission()) == |
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LocationPermission.always) { |
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startLocation(context, locationCallback); |
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} |
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} |
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}, |
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heightRatioWithWidth: 0.82, |
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); |
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}, |
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); |
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} |
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///定位权限说明弹窗 |
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showTipsAlertDialog(context) async { |
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//显示对话框 |
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showDialog( |
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context: context, |
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barrierDismissible: false, |
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barrierColor: null, |
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builder: (BuildContext context) { |
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return Column( |
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children: [ |
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Container( |
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width: double.infinity, |
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padding: EdgeInsets.all(15), |
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margin: EdgeInsets.all(15), |
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decoration: new BoxDecoration( |
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color: Colors.white, |
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borderRadius: BorderRadius.circular(10), |
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), |
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child: Row( |
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crossAxisAlignment: CrossAxisAlignment.start, |
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children: [ |
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Icon( |
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Icons.location_on_outlined, |
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color: Colors.black, |
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size: 22, |
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), |
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Expanded( |
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child: Column( |
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crossAxisAlignment: CrossAxisAlignment.start, |
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mainAxisSize: MainAxisSize.min, |
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children: [ |
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Text( |
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// "访问精确地理位置信息权限说明", |
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"位置权限使用说明", |
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style: TextStyle( |
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fontSize: 18.sp, |
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fontWeight: MyFontWeight.regular, |
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color: Colors.black, |
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), |
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), |
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SizedBox( |
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height: 3.h, |
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), |
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Text( |
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// "为了向您推荐附近的门店信息，推荐您在使用期间让我们使用位置信息，不授权该权限不影响app正常使用。", |
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"为了向您推荐附近的门店信息，推荐您在使用期间让我们使用位置信息", |
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style: TextStyle( |
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fontSize: 13.sp, |
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fontWeight: MyFontWeight.regular, |
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color: Colors.black, |
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), |
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), |
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], |
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), |
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), |
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], |
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), |
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) |
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], |
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mainAxisSize: MainAxisSize.min, |
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); |
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}, |
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); |
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Geolocator.requestPermission(); |
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Navigator.of(context).pop(); |
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} |
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///定位权限说明和申请弹窗 |
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showAlertDialog(context) { |
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//显示对话框 |
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showDialog( |
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context: context, |
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barrierDismissible: true, |
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barrierColor: null, |
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builder: (BuildContext context) { |
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return Column( |
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children: [ |
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Container( |
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width: double.infinity, |
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padding: EdgeInsets.all(15), |
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margin: EdgeInsets.all(15), |
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decoration: new BoxDecoration( |
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color: Colors.black.withOpacity(0.6), |
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borderRadius: BorderRadius.circular(10), |
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), |
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child: Row( |
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crossAxisAlignment: CrossAxisAlignment.start, |
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children: [ |
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Expanded( |
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child: Column( |
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crossAxisAlignment: CrossAxisAlignment.start, |
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mainAxisSize: MainAxisSize.min, |
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children: [ |
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Text( |
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// "访问精确地理位置信息权限说明", |
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"定位服务未开启", |
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style: TextStyle( |
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fontSize: 18.sp, |
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fontWeight: MyFontWeight.regular, |
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color: Colors.white, |
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), |
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), |
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SizedBox( |
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height: 3.h, |
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), |
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Text( |
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// "为了向您推荐附近的门店信息，推荐您在使用期间让我们使用位置信息，不授权该权限不影响app正常使用。", |
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"开启后才能提供更详细的定位服务哦！", |
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style: TextStyle( |
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fontSize: 13.sp, |
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fontWeight: MyFontWeight.regular, |
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color: Colors.white, |
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), |
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), |
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], |
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), |
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), |
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GestureDetector( |
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child: Container( |
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child: Text( |
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"去开启", |
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style: TextStyle( |
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fontSize: 15.sp, |
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fontWeight: MyFontWeight.regular, |
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color: Colors.white, |
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), |
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), |
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margin: EdgeInsets.symmetric( |
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horizontal: 15.w, vertical: 25.h), |
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padding: |
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EdgeInsets.symmetric(vertical: 2.h, horizontal: 10.w), |
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decoration: BoxDecoration( |
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color: Colors.green, |
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borderRadius: BorderRadius.circular(100), |
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), |
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), |
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onTap: () async { |
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await PH.openAppSettings(); |
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if ((await Geolocator.checkPermission()) == |
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LocationPermission.whileInUse || |
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(await Geolocator.checkPermission()) == |
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LocationPermission.always) |
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Navigator.of(context).pop(); |
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}, |
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behavior: HitTestBehavior.opaque, |
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), |
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GestureDetector( |
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behavior: HitTestBehavior.opaque, |
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child: Container( |
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child: Icon( |
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Icons.close, |
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color: Colors.white.withOpacity(0.8), |
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size: 12, |
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), |
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decoration: BoxDecoration( |
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color: Colors.black.withOpacity(0.8), |
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borderRadius: BorderRadius.circular(100), |
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), |
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padding: EdgeInsets.all(5), |
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), |
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onTap: () { |
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Navigator.of(context).pop(); |
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}, |
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) |
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], |
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), |
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) |
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], |
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mainAxisSize: MainAxisSize.min, |
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); |
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}, |
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); |
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} |
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///计算距离（当前位置到店位置直线距离） |
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static Future<String> calculateDistance( |
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Position bmfCoordinate, Position myLatLng, |
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{bool isMi = false}) async { |
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double mi = Geolocator.distanceBetween( |
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bmfCoordinate.latitude, |
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bmfCoordinate.longitude, |
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myLatLng.latitude, |
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myLatLng.longitude, |
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); |
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NumberFormat numberFormat = NumberFormat("#.#"); |
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return "${numberFormat.format(mi / (isMi ? 1 : 1000))}"; |
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} |
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// ///坐标系转换(高德转百度) |
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// static Future<Latlng> coordConvert(Latlng latLng) async { |
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// return BMFCalculateUtils.coordConvert( |
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// coordinate: latLng, |
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// fromType: BMF_COORD_TYPE.COMMON, |
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// toType: BMF_COORD_TYPE.BD09LL); |
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// } |
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Future<Address?>? getAddress(double lat, double lang) async { |
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var result = await ApiService(Dio()).geocodeRegeo("$lat", "$lang"); |
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print("address_result: $result"); |
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if (result["status"] == "1" && |
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result["regeocode"] != null && |
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result["regeocode"]["addressComponent"] != null) { |
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Address address = Address.fromJson({ |
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"address": result["regeocode"]["formatted_address"], |
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"area": result['regeocode']["addressComponent"]["district"], |
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"city": result['regeocode']["addressComponent"]["city"], |
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"latitude": lat, |
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"longitude": lang, |
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"province": result['regeocode']["addressComponent"]["province"], |
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}); |
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return address; |
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} |
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return null; |
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} |
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} |