farmer_client/lib/models/app.dart

import 'dart:io';

import 'package:farmer_client/models/entities/person.dart';
import 'package:get/get.dart';
import 'package:location/location.dart';
import '../services/user.dart';
import '../utils/location.dart';

class AppController extends GetxController {
  // 有了这句, 可以直接 AppController.t 调用
  static AppController t = Get.find();

  final user = Rx<Person>(Person());
  final location = Rxn<LocationData>();
  final testInt = 1.obs;

  get locationStr {
    if (null == location.value) return null;
    return location.value!.longitude.toString() + "," + location.value!.latitude.toString();
  }

  @override
  void onInit() {
    super.onInit();

    // 尝试获取 location
    requireLocation().then((loc) async {
      var _data = await loc.getLocation();
      location(_data);

      // 监听位置变化
      loc.onLocationChanged.listen((LocationData currentLocation) {
        location(currentLocation);
      });
    }).catchError((e) {
      print(e);

      var message = e.message.toString().contains('CANCELED')
          ? '您取消了, 确定后将退出程序'
          : e.message;

      // Get.dialog();
      // Get.defaultDialog(
      //   title: '提示',
      //   middleText: message,
      //   radius: 8,
      //   textConfirm: '确定',
      //   onConfirm: () => exit(1),
      // );
    });

    // // 尝试获取一次人员信息
    // getCurrent().then((person) {
    //   user(person);
    // }).catchError((e) {
    //   print(e);
    // });
  }

}