content: import 'Screens/DiseaseDetection/cancer_detection.dart';
  import 'Screens/category.dart';
  import 'Screens/DiseaseSelection/user_disease_selection.dart';
  import 'package:flutter/material.dart';
  import 'package:flutter/services.dart';
  import 'Screens/settings.dart';
  import 'Screens/about.dart';
  import 'Screens/DiseaseDetection/diabetes_detection .dart';
  import 'Screens/DiseaseDetection/heart_disease_detection .dart';
  import 'Screens/DiseaseDetection/liver_disease_detection .dart';
  import 'Screens/DiseaseDetection/stroke_detection .dart';
  
  void main() {
    runApp(MyApp());
  }
  
  class MyApp extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
      SystemChrome.setPreferredOrientations([
        DeviceOrientation.portraitUp,
      ]);
      return MaterialApp(
        routes: {
          '/settings': (context) => Settings(),
          '/about': (context) => About(),
          '/cancer': (context) => Cancer(),
          '/diabetes': (context) => Diabetes(),
          '/heart': (context) => HeartAttack(),
          '/liver': (context) => Liver(),
          '/stroke': (context) => Stroke(),
          '/userSelect': (context) => UserDiseaseSelect(),
        },
        title: 'Health Check',
        debugShowCheckedModeBanner: false,
        theme: ThemeData(
          brightness: Brightness.dark,
          primaryColor: Colors.white,
          accentColor: Colors.black,
        ),
        home: Category(),
      );
    }
  }
  