farmer_client/lib/routes/middleWares.dart

import 'package:flutter/scheduler.dart';
import 'package:get/get.dart';
import 'package:get_storage/get_storage.dart';

void routingCallback (routing) {
  GetStorage box = GetStorage();
  bool isLogin = box.hasData('token');
  bool isSplashScreen = routing?.current == '/splash';
  bool isLoginPage = routing?.current == '/login';
  if (!isLogin && !isSplashScreen && !isLoginPage) {
    // addPostFrameCallback 作用是等当前帧绘制完成之后再加载
    // https://github.com/jonataslaw/getx/issues/262
    SchedulerBinding.instance?.addPostFrameCallback((_) => Get.offNamed('/login'));
  }
}