flutter/lib/main.dart

 import 'package:common_project/common_project.dart';
import 'package:common_project/config/app_info.dart';
import 'package:common_project/public_view_model/locale_cubit.dart';
import 'package:flutter/material.dart';
import 'package:flutter_desktop_app/init.dart';
import 'package:flutter_desktop_app/page/splash_page.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:module_login/view/login_index_page.dart';
 import 'package:devicelocale/devicelocale.dart' as H;
 import 'package:common_project/generated/l10n.dart' as D;


void main() async{
  await GetStorage.init();
  MainInit.init();
  MainInit.routerInit();
  MainInit.requestInit();
  MainInit.rongrunInit();
  runApp(MainInit.getGlobalBloc(MyApp()));
}

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return FutureBuilder(
      future: H.Devicelocale.currentAsLocale,
      builder: (context,snapshot){

        Locale deviceLocale = (snapshot.connectionState == ConnectionState.done && snapshot.hasData ?
        snapshot.data : Locale.fromSubtags(languageCode: 'en')) as Locale;

        if(snapshot.hasError) {
          print(snapshot.error);
        }

        // Default to en on unsupported locales
        if (!D.S.delegate.isSupported(deviceLocale)) {
          deviceLocale = Locale.fromSubtags(languageCode: 'en', countryCode: deviceLocale.countryCode);
        }

        return BlocProvider<LocaleCubit>(
            create: (BuildContext context) => LocaleCubit(deviceLocale),
            key: ObjectKey(deviceLocale), // Recreate on deviceLocale change. On refresh.
            child: BlocBuilder<LocaleCubit, Locale>(
              builder: (context, locale) =>
                  Builder(builder: (context){
                context.select((LocaleCubit bloc) => bloc.state.languageCode);
                return ScreenUtilInit(
                  designSize: Size(AppConfig.INIT_WINDOWS_WIDTH, AppConfig.INIT_WINDOWS_HEIGHT),
                  // allowFontScaling: false,
                  builder: ()=> MaterialApp(
                    navigatorKey: GlobalConstKey.navigatorKey,
                    title: 'Flutter Demo',
                    theme: ThemeData(
                      primarySwatch: Colors.blue,
                      visualDensity: VisualDensity.adaptivePlatformDensity,
                    ),
                    locale: locale,
                    home: WelcomeIndexPage(),
                    // builder: FlutterSmartDialog.init(builder: (context, child) => Scaffold(
                    //   body: GestureDetector(
                    //     onTap: () {
                    //       FocusScopeNode currentFocus = FocusScope.of(context);
                    //       if (!currentFocus.hasPrimaryFocus &&
                    //           currentFocus.focusedChild != null) {
                    //         FocusManager.instance.primaryFocus!.unfocus();
                    //       }
                    //     },
                    //     child: child,
                    //   ),
                    //   resizeToAvoidBottomInset: false,
                    // )),
                    //全局  点击空白处收回键盘
                    builder: (context, child) => Scaffold(
                      body: GestureDetector(
                        onTap: () {
                          FocusScopeNode currentFocus = FocusScope.of(context);
                          if (!currentFocus.hasPrimaryFocus &&
                              currentFocus.focusedChild != null) {
                            FocusManager.instance.primaryFocus!.unfocus();
                          }
                        },
                        child: child,
                      ),
                      resizeToAvoidBottomInset: false,
                    ),
                    localizationsDelegates: [
                      D.S.delegate,
                      GlobalCupertinoLocalizations.delegate,
                      GlobalMaterialLocalizations.delegate,
                      GlobalWidgetsLocalizations.delegate
                    ],
                    supportedLocales: D.S.delegate.supportedLocales,
                  ),
                );
              }),
            )
        );
      },
    );
  }
}