flutter_nayou/lib/main.dart

import 'dart:io';
import 'dart:ui';


import 'package:dart_json_mapper/dart_json_mapper.dart';
import 'package:flutter/material.dart';

import 'package:get/get.dart';
import 'package:window_manager/window_manager.dart';

import 'app/routes/app_pages.dart';
import 'main.mapper.g.dart' show initializeJsonMapper;
void main() async {
  const width = 375.0;
  const height = 736.0;
  initializeJsonMapper();
  JsonMapper().useAdapter(JsonMapperAdapter(valueDecorators: {
    typeOf<Map<String, String>>(): (value) {
      return Map.castFrom<dynamic, dynamic, String, String>(value);
    },
  }));

  if(Platform.isWindows || Platform.isMacOS){
    WidgetsFlutterBinding.ensureInitialized();
    await windowManager.ensureInitialized();
    WindowOptions windowOptions = const WindowOptions(
      minimumSize: Size(width, height),
      maximumSize: Size(width, height - kToolbarHeight),
      size: Size(width, height),
      center: true,
      backgroundColor: Colors.transparent,
      skipTaskbar: false,
      titleBarStyle: TitleBarStyle.hidden,
    );

    await windowManager.waitUntilReadyToShow(windowOptions, () async {
      await windowManager.show();
      await windowManager.focus();
    });
  }
  const Set<PointerDeviceKind> kTouchLikeDeviceTypes = <PointerDeviceKind>{
    PointerDeviceKind.touch,
    PointerDeviceKind.mouse,
    PointerDeviceKind.stylus,
    PointerDeviceKind.invertedStylus,
    PointerDeviceKind.unknown
  };
  runApp(
    GetMaterialApp(
      scrollBehavior: const MaterialScrollBehavior().copyWith(
          scrollbars: true,
          dragDevices: kTouchLikeDeviceTypes
      ),
      title: "Application",
      initialRoute: AppPages.INITIAL,
      getPages: AppPages.routes,
    ),
  );
}