screenshot 0.3.0

Flutter Screenshot Package (Runtime). Capture any Widget as an image.

example/lib/main.dart

import 'dart:typed_data';

import 'package:flutter/material.dart';
import 'package:screenshot/screenshot.dart';
// import 'package:webview_flutter/webview_flutter.dart';
// import 'package:image_gallery_saver/image_gallery_saver.dart';

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

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        // This is the theme of your application.
        //
        // Try running your application with "flutter run". You'll see the
        // application has a blue toolbar. Then, without quitting the app, try
        // changing the primarySwatch below to Colors.green and then invoke
        // "hot reload" (press "r" in the console where you ran "flutter run",
        // or simply save your changes to "hot reload" in a Flutter IDE).
        // Notice that the counter didn't reset back to zero; the application
        // is not restarted.
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(title: 'Screenshot Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);

  // This widget is the home page of your application. It is stateful, meaning
  // that it has a State object (defined below) that contains fields that affect
  // how it looks.

  // This class is the configuration for the state. It holds the values (in this
  // case the title) provided by the parent (in this case the App widget) and
  // used by the build method of the State. Fields in a Widget subclass are
  // always marked "final".

  final String title;

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;
  Uint8List _imageFile;

  //Create an instance of ScreenshotController
  ScreenshotController screenshotController = ScreenshotController();

  @override
  void initState() {
    // if (Platform.isAndroid) WebView.platform = SurfaceAndroidWebView();
    super.initState();
  }

  void _incrementCounter() {
    setState(() {
      // This call to setState tells the Flutter framework that something has
      // changed in this State, which causes it to rerun the build method below
      // so that the display can reflect the updated values. If we changed
      // _counter without calling setState(), then the build method would not be
      // called again, and so nothing would appear to happen.
      _counter++;
    });
  }

  @override
  Widget build(BuildContext context) {
    // This method is rerun every time setState is called, for instance as done
    // by the _incrementCounter method above.
    //
    // The Flutter framework has been optimized to make rerunning build methods
    // fast, so that you can just rebuild anything that needs updating rather
    // than having to individually change instances of widgets.
    return Scaffold(
      appBar: AppBar(
        // Here we take the value from the MyHomePage object that was created by
        // the App.build method, and use it to set our appbar title.
        title: Text(widget.title),
      ),
      body: Container(
        child: new Center(
          child: Screenshot(
            controller: screenshotController,
            child: Text("HEllo"),
          ),
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: () {
          _incrementCounter();
          _imageFile = null;
          screenshotController
              .capture(delay: Duration(milliseconds: 10))
              .then((Uint8List image) async {
            _imageFile = image;
            showDialog(
              context: context,
              builder: (context) => Scaffold(
                appBar: AppBar(
                  title: Text("CAPURED SCREENSHOT"),
                ),
                body: Center(
                    child: Column(
                  children: [
                    _imageFile != null ? Image.memory(_imageFile) : Container(),
                  ],
                )),
              ),
            );
          }).catchError((onError) {
            print(onError);
          });
        },
        tooltip: 'Increment',
        child: Icon(Icons.add),
      ), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }

  // _saved(File image) async {
  //   // final result = await ImageGallerySaver.save(image.readAsBytesSync());
  //   print("File Saved to Gallery");
  // }
}