farmer_client/lib/utils/tool.dart

import 'package:get_storage/get_storage.dart';

bool isLogin() {
  GetStorage box = GetStorage();

  print('----tokenTimeout----->');
  print(box.read("tokenTimeout"));

  if (!box.hasData("tokenTimeout")) {
    return false;
  }

  DateTime expireTime = DateTime.parse(box.read("tokenTimeout"));
  DateTime lastDate = DateTime.now().subtract(const Duration(minutes: 5));
  return expireTime.isAfter(lastDate);
}