how to open a 'csv file' like 'url launcher' in Flutter - csv

Question

i converted list into File of .csv extension then
tried OpenFile.open and ended up with error No permissions found in manifest for: 2, tried canLaunch and ended up with error name.csv exposed beyond app through Intent.getData(), Failed to handle method call
so how to open that csv file in any 3rd part application.

Answer 1

You can copy paste run full code below
and make sure you have a file /sdcard/Download/sample.csv, see picture below
You also need CSV Viewer installed in your Emulator
code snippet
final filePath = '/sdcard/Download/sample.csv';
print('${filePath}');
final message = await OpenFile.open(filePath);
working demo
device file explorer
full code
import 'package:flutter/material.dart';
import 'dart:async';
import 'package:open_file/open_file.dart';
void main() => runApp(new MyApp());
class MyApp extends StatefulWidget {
#override
_MyAppState createState() => new _MyAppState();
}
class _MyAppState extends State<MyApp> {
String _openResult = 'Unknown';
Future<void> openFile() async {
//final filePath = '/sdcard/Download/sample.pdf';
final filePath = '/sdcard/Download/sample.csv';
print('${filePath}');
final message = await OpenFile.open(filePath);
setState(() {
_openResult = message;
});
}
#override
Widget build(BuildContext context) {
return new MaterialApp(
home: new Scaffold(
appBar: new AppBar(
title: const Text('Plugin example app'),
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Text('open result: $_openResult\n'),
FlatButton(
child: Text('Tap to open file'),
onPressed: openFile,
),
],
),
),
),
);
}
}