A Flutter plugin for IOS and Android providing a simple way to display PDFs.
First, add pdf_viewer_plugin
as a dependency in your pubspec.yaml file.
Add one row to the ios/Runner/info.plist
:
...
<key>io.flutter.embedded_views_preview</key>
<true/>
You need to
Here is an example flutter app.
import 'dart:async';
import 'dart:io';
import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'package:pdf_viewer_plugin/pdf_viewer_plugin.dart';
import 'package:path_provider/path_provider.dart';
import 'package:http/http.dart' as http;
void main() => runApp(MyApp());
class MyApp extends StatefulWidget {
@override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
String path;
@override
initState() {
super.initState();
}
Future<String> get _localPath async {
final directory = await getApplicationDocumentsDirectory();
return directory.path;
}
Future<File> get _localFile async {
final path = await _localPath;
return File('$path/teste.pdf');
}
Future<File> writeCounter(Uint8List stream) async {
final file = await _localFile;
// Write the file
return file.writeAsBytes(stream);
}
Future<Uint8List> fetchPost() async {
final response = await http.get(
'https://expoforest.com.br/wp-content/uploads/2017/05/exemplo.pdf');
final responseJson = response.bodyBytes;
return responseJson;
}
loadPdf() async {
writeCounter(await fetchPost());
path = (await _localFile).path;
if (!mounted) return;
setState(() {});
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: Text('Plugin example app'),
),
body: Center(
child: Column(
children: <Widget>[
if (path != null)
Container(
height: 300.0,
child: PdfViewer(
filePath: path,
),
)
else
Text("Pdf is not Loaded"),
RaisedButton(
child: Text("Load pdf"),
onPressed: loadPdf,
),
],
),
),
),
);
}
}
Author: lubritto
GitHub: https://github.com/lubritto/Pdf_Viewer_Plugin
#flutter #dart #programming