farmer_client/lib/utils/location.dart

import 'dart:async';

import 'package:amap_flutter_location/amap_flutter_location.dart';
import 'package:amap_flutter_location/amap_location_option.dart';
import 'package:permission_handler/permission_handler.dart';

import 'amap/const_config.dart';

Future requireLocation() async {
  AMapLocationOption locationOption = AMapLocationOption();
  final AMapFlutterLocation location = AMapFlutterLocation();
  location.setLocationOption(locationOption);

  /// 设置是否已经包含高德隐私政策并弹窗展示显示用户查看，如果未包含或者没有弹窗展示，高德定位SDK将不会工作
  ///
  /// 高德SDK合规使用方案请参考官网地址：https://lbs.amap.com/news/sdkhgsy
  /// <b>必须保证在调用定位功能之前调用， 建议首次启动App时弹出《隐私政策》并取得用户同意</b>
  ///
  /// 高德SDK合规使用方案请参考官网地址：https://lbs.amap.com/news/sdkhgsy
  ///
  /// [hasContains] 隐私声明中是否包含高德隐私政策说明
  ///
  /// [hasShow] 隐私权政策是否弹窗展示告知用户
  AMapFlutterLocation.updatePrivacyShow(true, true);

  /// 设置是否已经取得用户同意，如果未取得用户同意，高德定位SDK将不会工作
  ///
  /// 高德SDK合规使用方案请参考官网地址：https://lbs.amap.com/news/sdkhgsy
  ///
  /// <b>必须保证在调用定位功能之前调用, 建议首次启动App时弹出《隐私政策》并取得用户同意</b>
  ///
  /// [hasAgree] 隐私权政策是否已经取得用户同意
  AMapFlutterLocation.updatePrivacyAgree(true);

  // 判断定位权限
  PermissionStatus _permissionGranted = await Permission.location.status;
  if (_permissionGranted == PermissionStatus.denied) {
    // 如果未允许, 尝试申请一次
    _permissionGranted = await Permission.location.request();
    if (_permissionGranted != PermissionStatus.granted) {
      throw Exception("请设置允许当前程序定位功能");
    }
  }

  AMapFlutterLocation.setApiKey(ConstConfig.amapApiKeys.androidKey!, ConstConfig.amapApiKeys.iosKey!);

  return location;
}