liangchengyou / wow_english

  import 'dart:async';
  

  import 'package:flutter/foundation.dart';

  import 'package:flutter/material.dart';

  import 'package:flutter_bloc/flutter_bloc.dart';
  import 'package:wow_english/common/core/user_util.dart';

  import 'package:wow_english/common/extension/string_extension.dart';

  import 'package:wow_english/models/user_entity.dart';

  import 'package:wow_english/route/route.dart';

  import 'package:wow_english/utils/sp_util.dart';

  import '../common/blocs/cachebloc/cache_bloc.dart';

  class SplashPage extends StatelessWidget {
    const SplashPage({super.key});

  
    @override
    Widget build(BuildContext context) {
      return const TransitionView();
    }
  }
  
  class TransitionView extends StatefulWidget {
    const TransitionView({super.key});
  
    @override
    State<StatefulWidget> createState() {
      return _TransitionViewState();
    }
  }
  
  class _TransitionViewState extends State<TransitionView> {

    Future startTime() async {

      // 判断是否登录
      UserEntity? userEntity = UserUtil.getUser();

      if (kDebugMode) {
        print('userEntity: $userEntity');
      }

      Timer(const Duration(seconds: 2), () {
        if (userEntity != null && userEntity.token.isNotEmpty) {
          context.read<CacheBloc>().add(UserInfoChangeEvent(userEntity));

          Navigator.of(context).pushNamedAndRemoveUntil(AppRouteName.home, (route) => false);

        } else {

          Navigator.of(context).pushNamedAndRemoveUntil(AppRouteName.login, (route) => false);

        }
      });
    }
  
    @override
    void initState() {
      super.initState();

      init();
    }
  
    void init() async {
      await SpUtil.preInit();

      startTime();
    }
  

    @override
    Widget build(BuildContext context) {
      return Scaffold(

        body: Center(

          child: Container(
            decoration: BoxDecoration(
                image: DecorationImage(
                    image: AssetImage(

                      'splash'.assetGif,

                    ),

                    fit: BoxFit.fill)),

          ),
        ),
      );
    }

  }