cosmos_epub 1.0.1

Feature-rich EPUB reader package for Flutter with page flip animations, text highlighting, hyphenation, infinite nested chapters, image support, RTL languages, customizable themes and fonts.

example/lib/main.dart

import 'package:cosmos_epub/cosmos_epub.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';

void main() async {
  WidgetsFlutterBinding.ensureInitialized();

  await CosmosEpub.initialize();

  // BookProgressModel bookProgress = CosmosEpub.getBookProgress('bookId');
  await CosmosEpub.setCurrentPageIndex('bookId', 1);
  await CosmosEpub.setCurrentChapterIndex('bookId', 2);
  await CosmosEpub.deleteBookProgress('bookId');
  await CosmosEpub.deleteAllBooksProgress();

  runApp(MyApp());
}

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'CosmosEpub 💫 Reader Example',
      debugShowCheckedModeBanner: false,
      theme: ThemeData.dark().copyWith(
        appBarTheme: AppBarTheme(backgroundColor: Color(0xff0a0e21)),
        scaffoldBackgroundColor: Color(0xff0a0e21),
      ),
      home: MyHomePage(),
    );
  }
}

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

  @override
  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  Future<void> readerFuture = Future.value();

  Future<void> _openEpubReader(BuildContext context) async {
    await CosmosEpub.openAssetBook(
      assetPath: 'assets/book.epub',
      context: context,
      bookId: '3',
      onPageFlip: (int currentPage, int totalPages) {
        debugPrint(currentPage.toString());
      },
      onLastPage: (int lastPageIndex) {
        debugPrint('We arrived to the last widget');
      },
    );
  }

  void lateFuture() {
    setState(() {
      readerFuture = _openEpubReader(context);
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text('CosmosEpub 💫 Reader Example')),
      body: Center(
        child: ElevatedButton(
          onPressed: () {
            lateFuture();
          },
          style: ButtonStyle(
            backgroundColor: WidgetStateProperty.all(Colors.yellow),
            padding: WidgetStateProperty.all(EdgeInsets.all(20)),
          ),
          child: FutureBuilder<void>(
            future: readerFuture, // Set the future to the async operation
            builder: (context, snapshot) {
              switch (snapshot.connectionState) {
                case ConnectionState.waiting:
                  {
                    // While waiting for the future to complete, display a loading indicator.
                    return CupertinoActivityIndicator(
                      radius: 15,
                      color: Colors.black, // Adjust the radius as needed
                    );
                  }
                default:
                  // By default, show the button text
                  return Text(
                    'Open book  🚀',
                    style: TextStyle(fontSize: 20, color: Colors.black),
                  );
              }
            },
          ),
        ),
      ),
    );
  }
}