Ebook Reader and Note-taking App

This document describes how to develop an ebook reader and note-taking app using Flutter.

Setting Up the Environment
Creating a New Flutter Project
Structuring Your App
Adding Dependencies
Developing Features
Testing and Deployment

Setting Up the Environment

Follow the official Flutter installation guide: https://flutter.dev/docs/get-started/install

Creating a New Flutter Project

In VSCode, open the command palette (Ctrl+Shift+P or Cmd+Shift+P on macOS) and type "Flutter: New Project." Follow the prompts to create a new Flutter project.

Structuring Your App

Create the following directories in the lib folder of your project:

screens (for different app screens)
widgets (for reusable UI components)
services (for handling API calls and file operations)
models (for data models)
utils (for utility functions)

Adding Dependencies

Add the following dependencies to your pubspec.yaml file:

dependencies:
  flutter:
    sdk: flutter
  path_provider: ^2.0.8
  flutter_pdfview: ^1.2.1
  provider: ^6.0.1
  shared_preferences: ^2.0.12
  sqflite: ^2.0.1
  in_app_purchase: ^2.0.2
  flutter_slidable: ^1.0.0
  animations: ^2.0.1

Developing Features

Opening and Displaying Ebooks

Use the path_provider and flutter_pdfview packages to open and display PDF files within your app.
Create a dedicated screen for displaying the PDF content and utilize the PDFView widget from the flutter_pdfview package.

Library View for Stored Ebooks

Create a screen to display a grid or list of stored ebooks
Use a GridView.builder or ListView.builder to create the layout.
Store the ebook metadata in a local database using the sqflite package.

Starting from the Last Exited Page

Use shared_preferences to store the last exited page for each ebook.
When reopening the ebook, retrieve this value and navigate to the stored page.

Adding Bookmarks

Create a bookmark model and store bookmarks in the local database.
Allow users to add, delete, and navigate to bookmarks from a dedicated bookmarks screen.

Half-screen Note-taking

Utilize the flutter_slidable package to create a slidable note-taking panel that appears when the user swipes left while reading an ebook.
Store notes in the local database and allow users to view, edit, and delete them.

Stylus Support

Flutter has built-in support for stylus input.
Use the GestureDetector widget to handle touch and stylus events for drawing and note-taking.

In-app Purchases

Use the in_app_purchase package to handle subscription purchases.
Create a subscription product on both the Apple App Store and Google Play Store.
Check the user's subscription status and enable or disable features accordingly.

Page Turn Animations

Use the animations package to create page turn animations when navigating between pages in an ebook.
You can use the PageTransitionSwitcher and SharedAxisTransition widgets for smooth transitions.

Testing and Deployment

Test your app thoroughly on both Android and iOS devices to ensure proper functionality and compliance with platform guidelines.
Once you are satisfied with your app, follow the deployment guidelines for both platforms to submit your app to the Apple App Store and Google Play Store.

Directory Structure

my_ebook_reader_app/
|-- android/
|-- ios/
|-- lib/
|   |-- screens/
|   |   |-- ebook_reader_screen.dart
|   |   |-- library_screen.dart
|   |   |-- bookmarks_screen.dart
|   |   |-- notes_screen.dart
|   |-- widgets/
|   |   |-- ebook_item.dart
|   |   |-- bookmark_item.dart
|   |   |-- note_item.dart
|   |   |-- slidable_note_panel.dart
|   |-- services/
|   |   |-- file_service.dart
|   |   |-- database_service.dart
|   |   |-- subscription_service.dart
|   |-- models/
|   |   |-- ebook.dart
|   |   |-- bookmark.dart
|   |   |-- note.dart
|   |-- utils/
|   |   |-- constants.dart
|   |   |-- app_theme.dart
|   |-- main.dart
|-- test/
|-- web/
|-- pubspec.yaml
|-- README.md

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Ebook Reader and Note-taking App

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