app/lib/paegs/guest_login_page/root_page.dart

import 'package:bbyyy/my_tools/easy_loading/easy_loading.dart';
import 'package:bbyyy/my_tools/event_bus.dart';
import 'package:bbyyy/my_tools/global.dart';
import 'package:bbyyy/my_tools/my_colors.dart';
import 'package:bbyyy/my_tools/my_cookie.dart';
import 'package:bbyyy/my_tools/my_views.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';

import 'home_page.dart';
import 'root_page_view.dart';

class RootPage1 extends StatefulWidget {
  @override
  _RootPage1State createState() => _RootPage1State();
}

class _RootPage1State extends State<RootPage1> {
  PageController pageController = PageController(initialPage: 0);
  DateTime lastPopTime;

  @override
  void initState() {
    super.initState();
    EventBus().on('toLogin', (arg) {
      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: [
                    Expanded(
                      child: Center(
                        child: Container(
                          child: MyViews().myText('完整体验请前往注册登录', MyColors.c333333, 14),
                          margin: EdgeInsets.symmetric(horizontal: 20),
                        ),
                      ),
                    ),
                    Container(
                      height: 0.5,
                      color: MyColors.cE7E7E7,
                      margin: EdgeInsets.only(bottom: 12),
                    ),
                    Container(
                      margin: EdgeInsets.symmetric(horizontal: 10),
                      child: Row(
                        children: [
                          Expanded(
                            child: GestureDetector(
                              onTap: () {
                                Navigator.pop(context);
                              },
                              behavior: HitTestBehavior.translucent,
                              child: Container(
                                decoration: BoxDecoration(
                                    borderRadius: BorderRadius.only(
                                      topLeft: Radius.circular(20),
                                      bottomLeft: Radius.circular(20),
                                    ),
                                    border: Border.all(
                                        color: MyColors.cFF4233, width: 1.1),
                                    color: Colors.white),
                                child: MyViews().myText('下次再说', MyColors.cFF4233, 14),
                                height: 40,
                                alignment: Alignment.center,
                              ),
                            ),
                          ),
                          Expanded(
                            child: GestureDetector(
                              behavior: HitTestBehavior.translucent,
                              onTap: (){
                                Navigator.pop(context);
                                MyCookie().clean();
                                navigatorKey.currentState.pushNamedAndRemoveUntil('/loginPage', ModalRoute.withName("/loginPage"));
                              },
                              child: Container(
                                decoration: BoxDecoration(
                                    borderRadius: BorderRadius.only(
                                      topRight: Radius.circular(20),
                                      bottomRight: Radius.circular(20),
                                    ),
                                    color: MyColors.cFF4233),
                                height: 40,
                                child: MyViews().myText('现在就去', Colors.white, 14),
                                alignment: Alignment.center,
                              ),
                            ),
                          )
                        ],
                      ),
                    )
                  ],
                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                ),
              ),
            ),
          );
        },
      );
    });
  }

  @override
  Widget build(BuildContext context) {
    return WillPopScope(
      onWillPop: () async {
        if (lastPopTime == null ||
            DateTime.now().difference(lastPopTime) > Duration(seconds: 2)) {
          lastPopTime = DateTime.now();
          EasyLoading.showToast('再按一次退出');
        } else {
          lastPopTime = DateTime.now();
          await SystemChannels.platform.invokeMethod('SystemNavigator.pop');
        }
        return false;
      },
      child: Scaffold(
        backgroundColor: Colors.transparent,
        body: Column(
          children: [
            Expanded(
              child: PageView(
                controller: pageController,
                children: [HomePage1()],
                physics: NeverScrollableScrollPhysics(),
              ),
            ),
            RootPageView1().bottomNavigationBar(),
          ],
        ),
      ),
    );
  }
}