instagram_video_story_share 0.0.2

A flutter plugin for iOS which shares a video file as an Instagram Story

example/lib/main.dart

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

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:instagram_video_story_share/instagram_video_story_share.dart';
import 'package:path_provider/path_provider.dart';

void main() {
  runApp(MyApp());
}

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

class _MyAppState extends State<MyApp> {
  bool instagramInstalled = false;
  bool isLoading = false;
  bool isShared = false;

  String videoName = "sponty.mp4";

  @override
  void initState() {
    super.initState();
  }

  Future<String> videoFilePath() async {
    ByteData bytes = await rootBundle.load("assets/$videoName");
    String dir = (await getApplicationDocumentsDirectory()).path;
    //String dir = (await getTemporaryDirectory()).path;
    File file = await writeToFile(bytes, '$dir/$videoName');
    return file.path;
  }

  Future<File> writeToFile(ByteData data, String path) async {
    final buffer = data.buffer;
    File file = await File(path).writeAsBytes(
        buffer.asUint8List(data.offsetInBytes, data.lengthInBytes));
    return file;
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Share Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: Scaffold(
        appBar: AppBar(
          title: Text("Share video to Instagram Stories"),
        ),
        body: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: <Widget>[
              Text(
                isLoading
                    ? "Loading..."
                    : isShared
                        ? "SHARED"
                        : "not shared yet",
              ),
              TextButton(
                onPressed: () async {
                  print("checking if instagram is installed");
                  try {
                    bool result =
                        await InstagramVideoStoryShare.instagramInstalled;
                    print("instagramInstalled: $result");
                    if (!mounted) return;
                    setState(() {
                      instagramInstalled = result;
                    });
                  } on PlatformException catch (e) {
                    print("ERROR: $e");
                  }
                },
                child: Text("Check if Instagram is installed"),
              ),
              Text(
                instagramInstalled ? "Instagram Installed" : "Check first..",
              ),
            ],
          ),
        ),
        floatingActionButton: FloatingActionButton(
          onPressed: () async {
            setState(() {
              isLoading = true;
            });
            String videoPath = await videoFilePath();
            print("videoPath: $videoPath");
            try {
              bool result =
                  await InstagramVideoStoryShare.share(videoPath: videoPath);
              print("result: $result");
              if (!mounted) return;
              setState(() {
                isShared = result;
                isLoading = false;
              });
            } on PlatformException catch (e) {
              print("ERROR: $e");
            }
          },
          child: Icon(Icons.video_call),
        ),
      ),
    );
  }
}