pdf reader in flutter code example

Example: pdf viewer flutter

flutter_plugin_pdf_viewer: ^1.0.7

import 'package:flutter_plugin_pdf_viewer/flutter_plugin_pdf_viewer.dart';

class Pdfviewer extends StatefulWidget {
  @override
  _Pdfviewer createState() => _Pdfviewer(data: this.data);
}

class _Pdfviewer extends State<Pdfviewer> {


  PDFDocument doc;
  bool _isLoading = true;
  PDFDocument document;

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

  loadDocument() async {
    document = await PDFDocument.fromURL(
        'URL');

    setState(() => _isLoading = false);
  }

  @override
  Widget build(BuildContext context) {
    // TODO: implement build
    return Scaffold(
        appBar: AppBar(
          title: Text('PdfViewer'),
          backgroundColor: primary,
        ),
        body: Center(child: PDFViewer(document: document)));
  }
}