flutter_html 2.0.0-nullsafety.1 
flutter_html: ^2.0.0-nullsafety.1 copied to clipboard
sub6resources.comA Flutter widget rendering static HTML and CSS as Flutter widgets.
import 'package:flutter/material.dart';
import 'package:flutter_html/flutter_html.dart';
void main() => runApp(new MyApp());
class MyApp extends StatelessWidget {
// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return new MaterialApp(
title: 'Flutter Demo',
theme: new ThemeData(
primarySwatch: Colors.deepPurple,
),
home: new MyHomePage(title: 'flutter_html Example'),
);
}
}
class MyHomePage extends StatefulWidget {
MyHomePage({Key? key, required this.title}) : super(key: key);
final String title;
@override
_MyHomePageState createState() => new _MyHomePageState();
}
const htmlData = r"""
<p id='top'><a href='#bottom'>Scroll to bottom</a></p>
<h1>Header 1</h1>
<h2>Header 2</h2>
<h3>Header 3</h3>
<h4>Header 4</h4>
<h5>Header 5</h5>
<h6>Header 6</h6>
<h3>Ruby Support:</h3>
<p>
<ruby>
漢<rt>かん</rt>
字<rt>じ</rt>
</ruby>
is Japanese Kanji.
</p>
<h3>Support for <code>sub</code>/<code>sup</code></h3>
Solve for <var>x<sub>n</sub></var>: log<sub>2</sub>(<var>x</var><sup>2</sup>+<var>n</var>) = 9<sup>3</sup>
<p>One of the most <span>common</span> equations in all of physics is <br /><var>E</var>=<var>m</var><var>c</var><sup>2</sup>.</p>
<h3>Inline Styles:</h3>
<p>The should be <span style='color: blue;'>BLUE style='color: blue;'</span></p>
<p>The should be <span style='color: red;'>RED style='color: red;'</span></p>
<p>The should be <span style='color: rgba(0, 0, 0, 0.10);'>BLACK with 10% alpha style='color: rgba(0, 0, 0, 0.10);</span></p>
<p>The should be <span style='color: rgb(0, 97, 0);'>GREEN style='color: rgb(0, 97, 0);</span></p>
<p>The should be <span style='background-color: red; color: rgb(0, 97, 0);'>GREEN style='color: rgb(0, 97, 0);</span></p>
<p style="text-align: center;"><span style="color: rgba(0, 0, 0, 0.95);">blasdafjklasdlkjfkl</span></p>
<p style="text-align: right;"><span style="color: rgba(0, 0, 0, 0.95);">blasdafjklasdlkjfkl</span></p>
<p style="text-align: justify;"><span style="color: rgba(0, 0, 0, 0.95);">blasdafjklasdlkjfkl</span></p>
<p style="text-align: center;"><span style="color: rgba(0, 0, 0, 0.95);">blasdafjklasdlkjfkl</span></p>
<h3>Table support (with custom styling!):</h3>
<p>
<q>Famous quote...</q>
</p>
<table>
<colgroup>
<col width="50%" />
<col span="2" width="25%" />
</colgroup>
<thead>
<tr><th>One</th><th>Two</th><th>Three</th></tr>
</thead>
<tbody>
<tr>
<td rowspan='2'>Rowspan\nRowspan\nRowspan\nRowspan\nRowspan\nRowspan\nRowspan\nRowspan\nRowspan\nRowspan</td><td>Data</td><td>Data</td>
</tr>
<tr>
<td colspan="2"><img alt='Google' src='https://www.google.com/images/branding/googlelogo/2x/googlelogo_color_92x30dp.png' /></td>
</tr>
</tbody>
<tfoot>
<tr><td>fData</td><td>fData</td><td>fData</td></tr>
</tfoot>
</table>
<h3>Custom Element Support (inline: <bird></bird> and as block):</h3>
<flutter></flutter>
<flutter horizontal></flutter>
<h3 id='middle'>SVG support:</h3>
<svg id='svg1' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'>
<circle r="32" cx="35" cy="65" fill="#F00" opacity="0.5"/>
<circle r="32" cx="65" cy="65" fill="#0F0" opacity="0.5"/>
<circle r="32" cx="50" cy="35" fill="#00F" opacity="0.5"/>
</svg>
<h3>List support:</h3>
<ol>
<li>This</li>
<li><p>is</p></li>
<li>an</li>
<li>
ordered
<ul>
<li>With<br /><br />...</li>
<li>a</li>
<li>nested</li>
<li>unordered
<ol>
<li>With a nested</li>
<li>ordered list.</li>
</ol>
</li>
<li>list</li>
</ul>
</li>
<li>list! Lorem ipsum dolor sit amet.</li>
<li><h2>Header 2</h2></li>
<h2><li>Header 2</li></h2>
</ol>
<h3>Link support:</h3>
<p>
Linking to <a href='https://github.com'>websites</a> has never been easier.
</p>
<h3>Image support:</h3>
<h3>Network png</h3>
<img alt='Google' src='https://www.google.com/images/branding/googlelogo/2x/googlelogo_color_92x30dp.png' />
<h3>Network svg</h3>
<img src='https://dev.w3.org/SVG/tools/svgweb/samples/svg-files/android.svg' />
<h3>Local asset png</h3>
<img src='asset:assets/html5.png' width='100' />
<h3>Local asset svg</h3>
<img src='asset:assets/mac.svg' width='100' />
<h3>Data uri (with base64 support)</h3>
<img alt='Red dot (png)' src='data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==' />
<img alt='Green dot (base64 svg)' src='data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB2aWV3Qm94PSIwIDAgMzAgMjAiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+CjxjaXJjbGUgY3g9IjE1IiBjeT0iMTAiIHI9IjEwIiBmaWxsPSJncmVlbiIvPgo8L3N2Zz4=' />
<img alt='Green dot (plain svg)' src='data:image/svg+xml,%3C?xml version="1.0" encoding="UTF-8"?%3E%3Csvg viewBox="0 0 30 20" xmlns="http://www.w3.org/2000/svg"%3E%3Ccircle cx="15" cy="10" r="10" fill="yellow"/%3E%3C/svg%3E' />
<h3>Custom source matcher (relative paths)</h3>
<img src='/wikipedia/commons/thumb/e/ef/Octicons-logo-github.svg/200px-Octicons-logo-github.svg.png' />
<h3>Custom image render (flutter.dev)</h3>
<img src='https://flutter.dev/images/flutter-mono-81x100.png' />
<h3>No image source</h3>
<img alt='No source' />
<img alt='Empty source' src='' />
<h3>Broken network image</h3>
<img alt='Broken image' src='https://www.notgoogle.com/images/branding/googlelogo/2x/googlelogo_color_92x30dp.png' />
<h3>MathML Support:</h3>
<math>
<mrow>
<mi>x</mi>
<mo>=</mo>
<mfrac>
<mrow>
<mrow>
<mo>-</mo>
<mi>b</mi>
</mrow>
<mo>±</mo>
<msqrt>
<mrow>
<msup>
<mi>b</mi>
<mn>2</mn>
</msup>
<mo>-</mo>
<mrow>
<mn>4</mn>
<mo>⁢</mo>
<mi>a</mi>
<mo>⁢</mo>
<mi>c</mi>
</mrow>
</mrow>
</msqrt>
</mrow>
<mrow>
<mn>2</mn>
<mo>⁢</mo>
<mi>a</mi>
</mrow>
</mfrac>
</mrow>
</math>
<math>
<munderover >
<mo> ∫ </mo>
<mn> 0 </mn>
<mi> 5 </mi>
</munderover>
<msup>
<mi>x</mi>
<mn>2</mn>
</msup>
<mo>⋅</mo>
<mi>ⅆ</mi><mi>x</mi>
<mo>=</mo>
<mo>[</mo>
<mfrac>
<mn>1</mn>
<mi>3</mi>
</mfrac>
<msup>
<mi>x</mi>
<mn>3</mn>
</msup>
<msubsup>
<mo>]</mo>
<mn>0</mn>
<mn>5</mn>
</msubsup>
<mo>=</mo>
<mfrac>
<mn>125</mn>
<mi>3</mi>
</mfrac>
<mo>-</mo>
<mn>0</mn>
<mo>=</mo>
<mfrac>
<mn>125</mn>
<mi>3</mi>
</mfrac>
</math>
<math>
<msup>
<mo>sin</mo>
<mn>2</mn>
</msup>
<mo>θ</mo>
<mo>+</mo>
<msup>
<mo>cos</mo>
<mn>2</mn>
</msup>
<mo>θ</mo>
<mo>=</mo>
<mn>1</mn>
</math>
<h3>Tex Support with the custom tex tag:</h3>
<tex>i\hbar\frac{\partial}{\partial t}\Psi(\vec x,t) = -\frac{\hbar}{2m}\nabla^2\Psi(\vec x,t)+ V(\vec x)\Psi(\vec x,t)</tex>
<p id='bottom'><a href='#top'>Scroll to top</a></p>
""";
class _MyHomePageState extends State<MyHomePage> {
@override
Widget build(BuildContext context) {
return new Scaffold(
appBar: AppBar(
title: Text('flutter_html Example'),
centerTitle: true,
),
body: SingleChildScrollView(
child: Html(
data: htmlData,
style: {
"table": Style(
backgroundColor: Color.fromARGB(0x50, 0xee, 0xee, 0xee),
),
"tr": Style(
border: Border(bottom: BorderSide(color: Colors.grey)),
),
"th": Style(
padding: EdgeInsets.all(6),
backgroundColor: Colors.grey,
),
"td": Style(
padding: EdgeInsets.all(6),
alignment: Alignment.topLeft,
),
},
customRender: {
"table": (context, child) {
return SingleChildScrollView(
scrollDirection: Axis.horizontal,
child: (context.tree as TableLayoutElement).toWidget(context),
);
},
"bird": (RenderContext context, Widget child) {
return TextSpan(text: "🐦");
},
"flutter": (RenderContext context, Widget child) {
return FlutterLogo(
style: (context.tree.element!.attributes['horizontal'] != null)
? FlutterLogoStyle.horizontal
: FlutterLogoStyle.markOnly,
textColor: context.style.color!,
size: context.style.fontSize!.size! * 5,
);
},
},
customImageRenders: {
networkSourceMatcher(domains: ["flutter.dev"]): (context, attributes, element) {
return FlutterLogo(size: 36);
},
networkSourceMatcher(domains: ["mydomain.com"]): networkImageRender(
headers: {"Custom-Header": "some-value"},
altWidget: (alt) => Text(alt ?? ""),
loadingWidget: () => Text("Loading..."),
),
// On relative paths starting with /wiki, prefix with a base url
(attr, _) => attr["src"] != null && attr["src"]!.startsWith("/wiki"):
networkImageRender(
mapUrl: (url) => "https://upload.wikimedia.org" + url!),
// Custom placeholder image for broken links
networkSourceMatcher(): networkImageRender(altWidget: (_) => FlutterLogo()),
},
onLinkTap: (url, _, __, ___) {
print("Opening $url...");
},
onImageTap: (src, _, __, ___) {
print(src);
},
onImageError: (exception, stackTrace) {
print(exception);
},
),
),
);
}
}Metadata
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Publisher
Metadata
A Flutter widget rendering static HTML and CSS as Flutter widgets.
Repository (GitHub)
View/report issues
License
unknown (LICENSE)
Dependencies
chewie, chewie_audio, collection, csslib, flutter, flutter_layout_grid, flutter_math_fork, flutter_svg, html, video_player, webview_flutter
