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;

  @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);
      Get.defaultDialog(
        title: e.message,
        onConfirm: () => exit(1),
      );
    });

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

}