PDF Viewer Plus

pdf_viewer_plus is a Flutter package that provides a comprehensive PDF viewer with a collapsible thumbnail sidebar for easy navigation between pages.

Features

• Complete PDF Viewer: View PDF documents with smooth page transitions
• Collapsible Thumbnail Sidebar: Navigate through PDF pages using thumbnails in a sidebar that can be shown or hidden
• Flexible Source Support: Load PDFs from URLs or local assets
• Customizable Appearance: Customize sidebar width, thumbnail height, background color, and more
• Optimized Performance: PDF data is loaded only once and shared between viewer and thumbnails

Installation

Add this line to your pubspec.yaml file:

dependencies:
  pdf_viewer_plus: ^1.0.0

Then, run the following command:

flutter pub get

Usage

Here's a simple example of how to use the package:

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text('PDF Viewer with Thumbnails')),
      body: PdfViewer(
        pdfPath: 'https://example.com/sample.pdf', // URL or asset path
        initialSidebarOpen: true,                  // Start with sidebar open
        sidebarWidth: 180,                         // Custom sidebar width
        thumbnailHeight: 160,                      // Custom thumbnail height
        sidebarBackgroundColor: Colors.grey[300]!, // Custom sidebar color
      ),
    );
  }
}

Customization Options

The PdfViewer widget supports these customization options:

Parameter	Type	Default	Description
pdfPath	String	required	URL or asset path to the PDF file
initialSidebarOpen	bool	false	Whether the sidebar is initially open
sidebarWidth	double	160	Width of the sidebar
thumbnailHeight	double	150	Height of each thumbnail
sidebarBackgroundColor	Color	Colors.grey	Background color of the sidebar
selectedPageDecoration	BoxDecoration?	null	Custom decoration for the selected page thumbnail

Dependencies

This package uses:

• pdfx for rendering PDFs
• http for downloading remote PDF files

Contributing

Contributions are welcome! Feel free to open an issue or submit a pull request.

License

This package is distributed under the MIT License. See the LICENSE file for more information.

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