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

class PdfReader extends StatefulWidget {
  const PdfReader({
    Key key,
    this.pdfUrl,
  }) : super(key: key);

  final String pdfUrl;

  @override
  _PdfReaderState createState() => _PdfReaderState();
}

class _PdfReaderState extends State<PdfReader> {
  bool isLoading = true;
  PDFDocument document;

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

  loadDocument() async {
    try {
      document = await PDFDocument.fromURL('https://pdftron.s3.amazonaws.com/downloads/pdfref.pdf');
      setState(() => isLoading = false);
    } catch(e) {
      print(e);
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Colors.white,
        iconTheme: IconThemeData(
          color: Color(0xFF545454), //change your color here
        ),
      ),
      body: Center(
        child: isLoading
            ? CircularProgressIndicator()
            : PDFViewer(document: document),
      ),
    );
  }
}