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Capture widget screenshot with flutter

Wide-eyed Weasel answered on September 12, 2023 Popularity 9/10 Helpfulness 1/10

answer Capture widget screenshot with flutter

related flutter take screenshot of widget

Capture widget screenshot with flutter

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class PngHome extends StatefulWidget {
  const PngHome({super.key});

  @override
  State<PngHome> createState() => _PngHomeState();
}

class _PngHomeState extends State<PngHome> {
  GlobalKey globalKey = GlobalKey();

  Future<void> _capturePng() async {
    final RenderRepaintBoundary boundary = globalKey.currentContext!.findRenderObject()! as RenderRepaintBoundary;
    final ui.Image image = await boundary.toImage();
    final ByteData? byteData = await image.toByteData(format: ui.ImageByteFormat.png);
    final Uint8List pngBytes = byteData!.buffer.asUint8List();
    print(pngBytes);
  }

  @override
  Widget build(BuildContext context) {
    return RepaintBoundary(
      key: globalKey,
      child: Center(
        child: TextButton(
          onPressed: _capturePng,
          child: const Text('Hello World', textDirection: TextDirection.ltr),
        ),
      ),
    );
  }
}

Popularity 9/10 Helpfulness 1/10 Language whatever

Source: api.flutter.dev

Tags: capture flutter screenshot whatever widget

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Contributed on Sep 15 2023

Wide-eyed Weasel

0 Answers Avg Quality 2/10

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import 'dart:io';
import 'dart:ui' as ui;
import 'package:flutter/rendering.dart';
import 'package:path_provider/path_provider.dart';

Future<void> takeScreenshotOfWidget(GlobalKey widgetKey) async {
  try {
    RenderRepaintBoundary boundary = widgetKey.currentContext.findRenderObject();
    ui.Image image = await boundary.toImage(pixelRatio: 3.0);

    final directory = (await getApplicationDocumentsDirectory()).path;
    ByteData byteData = await image.toByteData(format: ui.ImageByteFormat.png);
    Uint8List pngBytes = byteData.buffer.asUint8List();

    File screenshotFile = File('$directory/screenshot.png');
    await screenshotFile.writeAsBytes(pngBytes);
    print('Screenshot taken! Saved to: ${screenshotFile.path}');
  } catch (e) {
    print('Error capturing screenshot: $e');
  }
}

Popularity 9/10 Helpfulness 3/10 Language dart

Source: Grepper

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Contributed on Sep 12 2023

YOU.com

0 Answers Avg Quality 2/10

Capture widget screenshot with flutter

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Capture widget screenshot with flutter

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