pdf_viewer_jk 2.1.5

A flutter plugin for viewing PDF files in mobile app (Android & iOS).

example/lib/main.dart

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

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.green,
      ),
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  @override
  State<StatefulWidget> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  bool _isLoading = true;
  PDFDocument document;
  String title = "Loading";

  @override
  void initState() {
    super.initState();
    loadDocument(1);
  }

  loadDocument(value) async {
    setState(() {
      _isLoading = true;
      title = "Loading";
    });
    if (value == 1) {
      document = await PDFDocument.fromURL("https://www.escaux.com/rsrc/EscauxCustomerDocs/DRD_T38Support_AdminGuide/T38_TEST_PAGES.pdf");
    } else {
      document = await PDFDocument.fromAsset('assets/sample.pdf');
    }
    setState(() {
      title = (value == 1) ? "Loaded From Url" : "Loaded From Assets";
      _isLoading = false;
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
        home: Scaffold(
            drawer: Drawer(
              child: Column(
                children: <Widget>[
                  SizedBox(height: 36),
                  ListTile(
                    title: Text('Load from URL'),
                    onTap: () {
                      loadDocument(1);
                    },
                  ),
                  ListTile(
                    title: Text('Load from Assets'),
                    onTap: () {
                      loadDocument(0);
                    },
                  ),
                ],
              ),
            ),
            appBar: AppBar(
              title: Text(title),
            ),
            body: Center(
                child: _isLoading
                    ? Center(child: CircularProgressIndicator())
                    : PDFViewer(
                        document: document,
                        zoomSteps: 1,
                        //preload all pages
                        // lazyLoad: false,
                        // scroll vertically
                        // scrollDirection: Axis.vertical,

                        //uncomment below code to replace bottom navigation with your own
                        /* navigationBuilder:
                      (context, page, totalPages, jumpToPage, animateToPage) {
                    return ButtonBar(
                      alignment: MainAxisAlignment.spaceEvenly,
                      children: <Widget>[
                        IconButton(
                          icon: Icon(Icons.first_page),
                          onPressed: () {
                            jumpToPage()(page: 0);
                          },
                        ),
                        IconButton(
                          icon: Icon(Icons.arrow_back),
                          onPressed: () {
                            animateToPage(page: page - 2);
                          },
                        ),
                        IconButton(
                          icon: Icon(Icons.arrow_forward),
                          onPressed: () {
                            animateToPage(page: page);
                          },
                        ),
                        IconButton(
                          icon: Icon(Icons.last_page),
                          onPressed: () {
                            jumpToPage(page: totalPages - 1);
                          },
                        ),
                      ],
                    );
                  }, */
                      ))));
  }
}

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