Skip to content

Instantly share code, notes, and snippets.

What would you like to do?
import 'dart:io';
import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:open_file/open_file.dart';
import 'package:path_provider/path_provider.dart';
void main() {
class MyApp extends StatelessWidget {
// This widget is the root of your application.
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
// This is the theme of your application.
// Try running your application with "flutter run". You'll see the
// application has a blue toolbar. Then, without quitting the app, try
// changing the primarySwatch below to and then invoke
// "hot reload" (press "r" in the console where you ran "flutter run",
// or simply save your changes to "hot reload" in a Flutter IDE).
// Notice that the counter didn't reset back to zero; the application
// is not restarted.
home: MyHomePage(title: 'Flutter Demo Home Page'),
class MyHomePage extends StatefulWidget {
MyHomePage({Key key, this.title}) : super(key: key);
// This widget is the home page of your application. It is stateful, meaning
// that it has a State object (defined below) that contains fields that affect
// how it looks.
// This class is the configuration for the state. It holds the values (in this
// case the title) provided by the parent (in this case the App widget) and
// used by the build method of the State. Fields in a Widget subclass are
// always marked "final".
final String title;
_MyHomePageState createState() => _MyHomePageState();
class _MyHomePageState extends State<MyHomePage> {
Widget build(BuildContext context) {
return Scaffold(
body: Center(
child: ElevatedButton(
child: Text('download'),
onPressed: _doDownload,
void _doDownload() async {
// String _url =
// "";
// await canLaunch(_url) ? await launch(_url) : throw 'Could not launch $_url';
String path = '';
Directory dir = await getApplicationDocumentsDirectory();
path = '${dir.path}/test.pdf';
Dio dio = Dio();
onReceiveProgress: (rcv, total) {
'received: ${rcv.toStringAsFixed(0)} out of total: ${total.toStringAsFixed(0)}');
deleteOnError: true,
).then((_) {;
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment