kraken 0.11.0-nightly.6891473

A high-performance, web standards-compliant rendering engine.

example/lib/main.dart

/*
 * Copyright (C) 2022-present The Kraken authors. All rights reserved.
 */
import 'package:flutter/material.dart';
import 'package:kraken/kraken.dart';
import 'package:kraken/devtools.dart';
import 'package:kraken_websocket/kraken_websocket.dart';

void main() {
  KrakenWebsocket.initialize();
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Kraken Browser',
      // theme: ThemeData.dark(),
      home: MyBrowser(),
    );
  }
}

class MyBrowser extends StatefulWidget {
  MyBrowser({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<MyBrowser> {

  OutlineInputBorder outlineBorder = OutlineInputBorder(
    borderSide: BorderSide(color: Colors.transparent, width: 0.0),
    borderRadius: const BorderRadius.all(
      Radius.circular(20.0),
    ),
  );

  @override
  Widget build(BuildContext context) {
    final MediaQueryData queryData = MediaQuery.of(context);
    final TextEditingController textEditingController = TextEditingController();

    Kraken? _kraken;
    AppBar appBar = AppBar(
        backgroundColor: Colors.black87,
        titleSpacing: 10.0,
        title: Container(
          height: 40.0,
          child: TextField(
            controller: textEditingController,
            onSubmitted: (value) {
              textEditingController.text = value;
              _kraken?.load(KrakenBundle.fromUrl(value));
            },
            decoration: InputDecoration(
              hintText: 'Enter URL',
              hintStyle: TextStyle(color: Colors.black54, fontSize: 16.0),
              contentPadding: const EdgeInsets.all(10.0),
              filled: true,
              fillColor: Colors.grey,
              border: outlineBorder,
              focusedBorder: outlineBorder,
              enabledBorder: outlineBorder,
            ),
            style: TextStyle(color: Colors.black, fontSize: 16.0),
          ),
        ),
        // 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.
      );

    final Size viewportSize = queryData.size;
    return Scaffold(
        appBar: appBar,
        body: Center(
        // Center is a layout widget. It takes a single child and positions it
        // in the middle of the parent.
        child: _kraken = Kraken(
          devToolsService: ChromeDevToolsService(),
          viewportWidth: viewportSize.width - queryData.padding.horizontal,
          viewportHeight: viewportSize.height - appBar.preferredSize.height - queryData.padding.vertical,
          bundle: KrakenBundle.fromUrl('assets:assets/bundle.html'),
        ),
    ));
  }
}