pdf_render 1.0.9

A plugin that provides you with intermediate PDF rendering APIs and easy-to-use Flutter Widgets.

example/lib/main.dart

import 'dart:io';

import 'package:flutter/material.dart';
import 'package:flutter_cache_manager/flutter_cache_manager.dart';
import 'package:pdf_render/pdf_render_widgets.dart';

void main(List<String> args) => runApp(new MyApp());

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  final controller = PdfViewerController();

  @override
  void dispose() {
    controller.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return new MaterialApp(
      home: new Scaffold(
        appBar: new AppBar(
          title: ValueListenableBuilder<Object>(
              // The controller is compatible with ValueListenable<Matrix4> and you can receive notifications on scrolling and zooming of the view.
              valueListenable: controller,
              builder: (context, _, child) =>
                  Text(controller.isReady ? 'Page #${controller.currentPageNumber}' : 'Page -')),
        ),
        backgroundColor: Colors.grey,
        body: Platform.isMacOS
            // Networking sample using flutter_cache_manager
            ? FutureBuilder<File>(
                future: DefaultCacheManager().getSingleFile(
                    'https://github.com/espresso3389/flutter_pdf_render/raw/master/example/assets/hello.pdf'),
                builder: (context, snapshot) => snapshot.hasData
                    ? PdfViewer.openFile(
                        snapshot.data!.path,
                        viewerController: controller,
                        onError: (err) => print(err),
                        params: PdfViewerParams(
                          padding: 10,
                          minScale: 1.0,
                        ),
                      )
                    : Container(),
              )
            : PdfViewer.openAsset(
                'assets/hello.pdf',
                viewerController: controller,
                onError: (err) => print(err),
                params: PdfViewerParams(
                  padding: 10,
                  minScale: 1.0,
                ),
              ),
        floatingActionButton: Column(
          mainAxisAlignment: MainAxisAlignment.end,
          children: <Widget>[
            FloatingActionButton(
              child: Icon(Icons.first_page),
              onPressed: () => controller.ready?.goToPage(pageNumber: 1),
            ),
            FloatingActionButton(
              child: Icon(Icons.last_page),
              onPressed: () => controller.ready?.goToPage(pageNumber: controller.pageCount),
            ),
          ],
        ),
      ),
    );
  }
}