pdf_viewer_flutter

Description:

pdf viewer flutter

PDF Viewer Flutter #
A plugin/package for Flutter for Android and iOS, Web, Mac, Linux and Windows app!

1. Installation #
Add this to your project's pubspec.yaml file:

dependencies:
pdf_viewer_flutter: ^1.0.2
path_provider: any

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and run
$ flutter pub get
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in the terminal
or
write

flutter pub add pdf_viewer_flutter

flutter pub add path_provider

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in the terminal inside your project and hit enter
2. Configuration for Android release #
You have to follow first these steps: https://flutter.io/docs/deployment/android
After that you have to add ndk filters to your release config:
buildTypes {

release {
signingConfig signingConfigs.release
minifyEnabled true
useProguard true
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'

ndk {
abiFilters 'armeabi-v7a'
}
}

debug {
minifyEnabled false
useProguard false
}
}

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3. Usage #

import 'dart:async';
import 'dart:io';

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:path_provider/path_provider.dart';
import 'package:pdf_viewer_flutter/pdf_viewer_flutter.dart';

void main() {
runApp(MaterialApp(
title: 'PDF Viewer for Flutter',
home: MyApp(),
));
}

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

class _MyAppState extends State<MyApp> {
String _pefFilePath = "";

@override
void initState() {
super.initState();
createFileOfPdfUrl().then((file) {
setState(() {
_pefFilePath = file.path;
print(_pefFilePath);
});
});
}

Future<File> createFileOfPdfUrl() async {
final url =
"https://github.com/contactlutforrahman/files/blob/main/pdf_viewer.pdf";
final filename = url.substring(url.lastIndexOf("/") + 1);
var request = await HttpClient().getUrl(Uri.parse(url));
var response = await request.close();
var bytes = await consolidateHttpClientResponseBytes(response);
String dir = (await getApplicationDocumentsDirectory()).path;
File file = new File('$dir/$filename');
await file.writeAsBytes(bytes);
return file;
}

@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: const Text('PDF Viewer for Flutter')),
body: Center(
child: ElevatedButton(
child: Text("Open a PDF file"),
onPressed: () => Navigator.push(
context,
MaterialPageRoute(
builder: (context) => PDFViewerScreen(_pefFilePath)),
),
),
),
);
}
}

class PDFViewerScreen extends StatelessWidget {
final String? pefFilePath;
PDFViewerScreen(this.pefFilePath);

@override
Widget build(BuildContext context) {
return PDFViewerScaffold(
appBar: AppBar(
title: Text("PDF Document"),
actions: <Widget>[
IconButton(
icon: Icon(Icons.share),
onPressed: () {},
),
],
),
path: pefFilePath);
}
}

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