app/lib/paegs/welcome_page/welcome_page.dart

import 'dart:async';
import 'dart:convert';
import 'dart:io';

import 'package:bbyyy/beans/app_store_review_bean_entity.dart';
import 'package:bbyyy/beans/login_information_bean_entity.dart';
import 'package:bbyyy/https/MyDio.dart';
import 'package:bbyyy/https/my_request.dart';
import 'package:bbyyy/my_tools/easy_loading/easy_loading.dart';
import 'package:bbyyy/my_tools/event_bus.dart';
import 'package:bbyyy/my_tools/my_apis.dart';
import 'package:bbyyy/my_tools/my_colors.dart';
import 'package:bbyyy/my_tools/my_cookie.dart';
import 'package:bbyyy/my_tools/my_tools.dart';
import 'package:bbyyy/my_tools/my_views.dart';
import 'package:bbyyy/my_tools/s.dart';
import 'package:bbyyy/paegs/login_page/login_page.dart';
import 'package:bbyyy/paegs/root_page/root_page.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';

class WelcomePage extends StatefulWidget {
  @override
  _WelcomePageState createState() => _WelcomePageState();
}

class _WelcomePageState extends State<WelcomePage> {
  @override
  void initState() {
    super.initState();
    EasyLoading.instance
      ..displayDuration = const Duration(milliseconds: 1500)
      ..indicatorType = EasyLoadingIndicatorType.ring
      ..loadingStyle = EasyLoadingStyle.light
      ..maskType = EasyLoadingMaskType.black
      ..indicatorSize = 45.0
      ..radius = 10.0
      ..textPadding = EdgeInsets.all(0)
      ..contentPadding = EdgeInsets.fromLTRB(20, 12, 20, 12)
      ..userInteractions = false;
    EventBus().on('服务器异常，请稍后再试', (arg) {
      qAPP();
    });
    EventBus().on('packageInfo', (arg) {
      try {
        if (MyCookie().prefs.getString('timestamp') != null &&
            MyCookie().prefs.getString('timestamp') != '' &&
            MyCookie().prefs.getString('uid') != null &&
            MyCookie().prefs.getString('uid') != '' &&
            MyCookie().prefs.getString('using') != null &&
            MyCookie().prefs.getString('using') != '') {
          s().encryption();
        }
      } catch (e) {}
      isItUnderReview();
    });
    MyCookie().initP();
  }

  void isItUnderReview() {
    EasyLoading.show();
    MyDio().post(MyApis.getApi('appStoreReview'),
        {'version': MyCookie().packageInfo.version}, (response, hasError) {
      if (!hasError) {
        EasyLoading.dismiss();
        AppStoreReviewBeanEntity e = AppStoreReviewBeanEntity.fromJson(
            json.decode(response.data.toString()));
        print(e.data);
        if (e.data && Platform.isIOS) {
          MyCookie().underReview = true;
        } else {
          MyCookie().underReview = false;
        }
        EventBus().emit('appStoreReview');

        Timer(Duration(seconds: 1), () {
          if (MyCookie().getLoginInformation() == null ||
              MyCookie().getLoginInformation().data == null ||
              MyCookie().getLoginInformation().data.token.isEmpty ||
              MyCookie().getLoginInformation().data.token == '') {
            MyTools().toPage(context, LoginPage(), (then) {}, noBack: true);
          } else {
            MyDio().initDio();
            checkLogin((r, hE) {
              if (!hE) {
                String token = MyCookie().getToken();
                LoginInformationBeanEntity loginInformation =
                    LoginInformationBeanEntity.fromJson(
                        json.decode(r.data.toString()));
                loginInformation.data.token = token;
                MyCookie().saveLoginInformationBeanEntity(loginInformation);
                MyTools().toPage(context, RootPage(), (then) {}, noBack: true);
              } else {
                MyTools().toPage(context, LoginPage(), (then) {}, noBack: true);
              }
            }, (e) {});
          }
        });
      }
    }, (error) {});
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Stack(
        children: [
          Image.asset(
            'images/we_bg.png',
            fit: BoxFit.cover,
            height: MediaQuery.of(context).size.height,
            width: MediaQuery.of(context).size.width,
          ),
          Image.asset(
            'images/we_logo.png',
            height: 118,
            width: 118,
          )
        ],
        alignment: Alignment.center,
      ),
    );
  }

  void qAPP() {
    showDialog(
      context: context,
      builder: (BuildContext context) {
        return Material(
          color: Colors.black12,
          child: Center(
            child: Container(
              decoration: BoxDecoration(
                borderRadius: BorderRadius.circular(16),
                color: Colors.white,
              ),
              height: 180,
              margin: EdgeInsets.symmetric(horizontal: 18),
              padding: EdgeInsets.symmetric(horizontal: 8, vertical: 12),
              child: Column(
                children: [
                  Center(
                    child: Container(
                      height: 100,
                      child: MyViews()
                          .myText('网络链接异常，请检查您的网络。', MyColors.c333333, 14),
                      margin: EdgeInsets.symmetric(horizontal: 20),
                      alignment: Alignment.center,
                    ),
                  ),
                  Container(
                    height: 0.5,
                    color: MyColors.cE7E7E7,
                    margin: EdgeInsets.only(bottom: 12),
                  ),
                  Container(
                    margin: EdgeInsets.symmetric(horizontal: 10),
                    child: GestureDetector(
                      behavior: HitTestBehavior.translucent,
                      onTap: () async {
                        await SystemChannels.platform
                            .invokeMethod('SystemNavigator.pop');
                      },
                      child: Container(
                        decoration: BoxDecoration(
                            borderRadius: BorderRadius.circular(20),
                            color: MyColors.cFF4233),
                        height: 40,
                        child: MyViews().myText('退 出', Colors.white, 14),
                        alignment: Alignment.center,
                      ),
                    ),
                  )
                ],
                mainAxisAlignment: MainAxisAlignment.spaceBetween,
              ),
            ),
          ),
        );
      },
    );
  }
}