flutter_share_file 1.2.1+6

This plugin is for sharing contents using Flutter. Supports only PNG image sharing for Now.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'dart:io';
import 'package:flutter_share_file/flutter_share_file.dart';

void main() => runApp(new MyApp());

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

class _MyAppState extends State<MyApp> {
  @override
  void initState() {
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return new MaterialApp(
      home: new Scaffold(
        appBar: new AppBar(
          title: const Text('Plugin example app'),
        ),
        body: new Center(
            child: new Column(
          children: <Widget>[
            new RaisedButton(
              onPressed: () async {
                Directory dir = await getApplicationDocumentsDirectory();
                File testFile = new File("${dir.path}/image.png");
                FlutterShareFile.shareImage(dir.path, "image.png", ShareFileType.image);
              },
              child: new Text("share image"),
            ),
          ],
        )),
      ),
    );
  }
}