simpliplay-android/flutter-exoplayer/media3_exoplayer_creator/lib/main.dart

import 'package:flutter/material.dart';
import 'package:media3_exoplayer_creator/screens/video_screen.dart';  // Import other files as needed

void main() {
  runApp(MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  bool _isDarkMode = false;

  void _toggleTheme() {
    setState(() {
      _isDarkMode = !_isDarkMode;
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      theme: _isDarkMode
          ? ThemeData.dark().copyWith(
        primaryColor: Colors.blue,
        colorScheme: ColorScheme.fromSwatch(
            primarySwatch: Colors.lightBlue)
            .copyWith(secondary: Colors.blue),
        appBarTheme: const AppBarTheme(
          color: Colors.blue,
          titleTextStyle: TextStyle(
            color: Colors.white,
            fontSize: 20,
            fontWeight: FontWeight.bold,
          ),
        ),
        textButtonTheme: TextButtonThemeData(
          style: TextButton.styleFrom(
            foregroundColor: Colors.blue,
          ),
        ),
        inputDecorationTheme: InputDecorationTheme(
          filled: true,
          fillColor: Colors.white,
          border: OutlineInputBorder(
            borderRadius: BorderRadius.circular(8),
            borderSide: BorderSide(
              color: Colors.blue,
              width: 2,
            ),
          ),
          focusedBorder: OutlineInputBorder(
            borderRadius: BorderRadius.circular(8),
            borderSide: BorderSide(
              color: Colors.blue,
              width: 2,
            ),
          ),
        ),
      )
          : ThemeData.light().copyWith(
        primaryColor: Colors.blue,
        scaffoldBackgroundColor: Colors.white,
        colorScheme: ColorScheme.fromSwatch(
            primarySwatch: Colors.lightBlue)
            .copyWith(secondary: Colors.blue),
        appBarTheme: const AppBarTheme(
          color: Colors.blue,
          titleTextStyle: TextStyle(
            color: Colors.white,
            fontSize: 20,
            fontWeight: FontWeight.bold,
          ),
        ),
        textButtonTheme: TextButtonThemeData(
          style: TextButton.styleFrom(
            foregroundColor: Colors.blue,
          ),
        ),
        inputDecorationTheme: InputDecorationTheme(
          filled: true,
          fillColor: Colors.white,
          border: OutlineInputBorder(
            borderRadius: BorderRadius.circular(8),
            borderSide: BorderSide(
              color: Colors.blue,
              width: 2,
            ),
          ),
          focusedBorder: OutlineInputBorder(
            borderRadius: BorderRadius.circular(8),
            borderSide: BorderSide(
              color: Colors.blue,
              width: 2,
            ),
          ),
        ),
      ),
      home: Scaffold(
        body: VideoScreen(),
      ),
    );
  }
}