CODEWITHSUNDEEP
imageflutterdartshareflutter-plugin
nipun-kavishka
nipun-kavishka

Reputation: 922

Cannot Share File Using Flutter Channel - Missing Plugin Exception

I created QR code generating app using flutter-darts. Everything is fine except sharing part. I used following code to share my generated png image.

Future<Null> _captureAndSharePng() async {
    try {
      RenderRepaintBoundary boundary =
          globalKey.currentContext.findRenderObject();
      var image = await boundary.toImage();
      ByteData byteData = await image.toByteData(format: ImageByteFormat.png);
      Uint8List pngBytes = byteData.buffer.asUint8List();

      final tempDir = await getTemporaryDirectory();
      final file = await new File('${tempDir.path}/image.png').create();
      await file.writeAsBytes(pngBytes);

      /*final channel = const MethodChannel('channel:me.alfian.share/share');

        assert(image != null);
        return channel.invokeMethod('shareImage', image);*/
      final channel = const MethodChannel('channel:me.alfian.share/share');
      channel.invokeMethod('shareFile', 'image.png');


    } catch (e) {
      print(e.toString());
    }
  }

When I am trying to share my generated image using above function, an Exception is occuring,

Exception message

What should I do to fix this. I think this will happen because of the channel parameter.

Upvotes: 0

Views: 510

Answers (2)

iqfareez
iqfareez

Reputation: 905

You need to modify MainActivity class also

Follow this answer: https://stackoverflow.com/a/50007287/13617136

Upvotes: 0

Nick Wassermann
Nick Wassermann

Reputation: 182

I have done something similar and found out that the Plugin esys_flutter_share: brings the best method to invoke cross paltform sharing.

Try this code snippet, this works for me:

await Share.file(
    'Export', 'export.png', file.readAsBytesSync(), 'export/png');

Upvotes: 1

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