The <style> element is not implemented in this library

[ScrivNetwork]

Need implement <style>

[dnfield]

I don't plan to do this, largely because it would require implementing the entire CSS spec to do so, and becuase the cascading rules would become even more complicated.

There are tools that can help with this, such as https://github.com/RazrFalcon/resvg/tree/master/usvg

All of that said, I'd entertain a patch for it if someone else wants to work on it.

[unschool]

This tool worked in my case, https://github.com/RazrFalcon/svgcleaner

[kaige-cai]

No, Just modify the fill of attr to label
like <svg><path fill="#fff" xxx="0000"/></svg>

[sahiljangra]

If you are using CorelDRAW to Create SVG Image
then Use these configuration:

CorelDRAW Configuration
Compatibility : SVG1.0/1.1
Encoding Method : Unicode - UTF-8
Styling Option : Presentation Attributors
Bitmap Export Type : Embeded

And for Adobe Illustrator
Styling : Presentation Attributors

[piuskamil]

this tool works for me https://jakearchibald.github.io/svgomg/

[masfranzhuo]

This tool worked in my case, https://github.com/RazrFalcon/svgcleaner

thanks, it works on my case

[ShadyBoshra2012]

This tool worked in my case, https://github.com/RazrFalcon/svgcleaner

Thanks, that worked for me too.

[aawizard]

Thanks :)

this tool works for me https://jakearchibald.github.io/svgomg/

[thealiflab]

You can watch this answer from StackOverflow

https://stackoverflow.com/a/62748066/11681472

[yourshinsuke]

@piuskamil
Did you use default settings and pushed [RESET ALL] button?

[piuskamil]

@yourshinsuke yes i used default setting.

[erickfiori]

This tool worked in my case, https://github.com/RazrFalcon/svgcleaner

It worked!
Thank You!

[msgtobala]

This tool worked in my case, https://github.com/RazrFalcon/svgcleaner

It worked!
Thank You!

?? what we have to do?

[cdmunoz]

Even using an external tool such as Jake Archibald's, if the svg is using a <style> it will fail. Usually style is written as follows:

<style>.st0{fill:#f47521}</style>

Then it's references from a path:

<path class="st0" ...... />

For this cases, you can just remove the style tag, the class within path and replace the latter fro a fill attribute with the proper color, and that is all:

<path fill="#f47521" ...... />

[kadnan0900]

This tool worked in my case, https://github.com/RazrFalcon/svgcleaner

It worked!
Thank You!

Can you please explain how you solved this issue ?

[hadasacwebit]

This tool worked in my case, https://github.com/RazrFalcon/svgcleaner

It worked!
Thank You!

Can you please explain how you solved this issue ?

Download and install the application to your computer.
and then..

[Saransh-cpp]

Even using an external tool such as Jake Archibald's, if the svg is using a <style> it will fail. Usually style is written as follows:

<style>.st0{fill:#f47521}</style>

Then it's references from a path:

<path class="st0" ...... />

For this cases, you can just remove the style tag, the class within path and replace the latter fro a fill attribute with the proper color, and that is all:

<path fill="#f47521" ...... />

Good day Sir, can you please guid me as to how to fix my SVG's style? The SVG is as mentioned below:

<svg id="Layer_1" data-name="Layer 1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100.32 98.2">
    <defs>
        <style>.cls-1,.cls-2{fill:none;stroke:#1f9fff;stroke-miterlimit:10;stroke-width:11px;}.cls-2{stroke-linecap:round;}</style>
    </defs>
    <title>doclenselightsmall</title>
    <polyline class="cls-1" points="66.7 5.5 94.83 5.5 94.83 31.18"/>
    <polyline class="cls-1" points="33.63 92.7 5.5 92.7 5.5 67.02"/>
    <polyline class="cls-1" points="66.7 92.7 94.83 92.7 94.83 67.02"/>
    <polyline class="cls-1" points="33.63 5.5 5.5 5.5 5.5 31.18"/>
    <line class="cls-2" x1="22.37" y1="26.75" x2="78.32" y2="26.75"/>
    <line class="cls-2" x1="22.37" y1="48.72" x2="78.32" y2="48.72"/>
    <line class="cls-2" x1="22.37" y1="70.7" x2="78.32" y2="70.7"/>
</svg>

[fricred]

@fricred
Having exactly same issue; network load seems impossible to fix on the run, Im also looking for solution to this problem.

had to download and clean the svg and make a component to check is in assets folder or try network load :( , like 50 avatars sigh

[Mr-Akki-Jangir]

If you are using CorelDRAW to Create SVG Image
then Use these configuration:

CorelDRAW Configuration
Compatibility : SVG1.0/1.1
Encoding Method : Unicode - UTF-8
Styling Option : Presentation Attributors
Bitmap Export Type : Embeded

And for Adobe Illustrator
Styling : Presentation Attributors

The illustrator Configuration works for me

[agnamc9]

This works for me ! #105 (comment)
Thanks @unschool

[SawWebFuture]

You can just go into the svg file and remove the <style> tag. Worked for me:

//remove this and save

<style type="text/css"> .st0{fill:#3A3A3A;} </style>

[alarkirikal]

How have peopl handled this with SvgPicture.network(...) cases?

[edex96]

@alarkirikal
If your svg links are externally sourced and no way to edit them you can edit the parser to skip the <style> tag.

 if (event.name == 'style') {
    _discardSubtree();
    continue;
  }

path: %userprofile%\AppData\Local\Pub\Cache\hosted\pub.dartlang.org\flutter_svg-1.0.0\lib\src\svg\parser_state.dart
line: 940

/// Drive the [XmlTextReader] to EOF and produce a [DrawableRoot].
  Future<DrawableRoot> parse() async {
    for (XmlEvent event in _readSubtree()) {
      if (event is XmlStartElementEvent) {
        if (event.name == 'style') {
          _discardSubtree();
          continue;
        }
        if (startElement(event)) {
          continue;
        }
        final _ParseFunc? parseFunc = _svgElementParsers[event.name];
        await parseFunc?.call(this, _warningsAsErrors);
        if (parseFunc == null) {
          if (!event.isSelfClosing) {
            _discardSubtree();
          }
          assert(() {
            unhandledElement(event);
            return true;
          }());
        }
      } else if (event is XmlEndElementEvent) {
        if (event.name == 'style') {
          continue;
        }
        endElement(event);
      }
    }
    if (_root == null) {
      throw StateError('Invalid SVG data');
    }
    return _root!;
  }

or better yet :D

 return FutureBuilder(
        future: get(Uri.parse(url)),
        builder: (context, AsyncSnapshot snap) {
          if (snap.hasData) {
            final svgStr = utf8.decode(snap.data.bodyBytes);
            final parser = SvgParser();
            try {
              parser.parse(svgStr, warningsAsErrors: true);
              return SvgPicture.string(svgStr);
            } catch (e) {
              print(e);
              return const Icon(Icons.info);
            }
          }
          return const SizedBox.shrink();
        },
      );

[TjayAmit]

I encounter this problem and I tried to look for possible solusyon, I found this link https://blog.logrocket.com/implement-svg-flutter-apps/ I found here that the problem because the package flutter_sgv is not supporting attribute <style> that is mostly use in css, so I tried to open my svg file and delete the attribute <style> and the exception has gone. It may also cause a downside of deleting it directly but I still don't know if it really cause a problem. but it works for me.

[abegehr]

this tool works for me https://jakearchibald.github.io/svgomg/

Or check out the command line tool here: https://github.com/svg/svgo – works like a charm!

[Mahani9271]

Hi every body , we solved this problem, check this url
https://pub.dev/packages/flutter_svg_with_style_tag

[mikealfandre]

You need to remove the style tag if you will be changing the style dynamically like fill for example

[Illangovan2022]

Do we need to consider the units, while exporting SVG's from Coreldraw and Adobe Illustrator? If yes, please guide how to proceed further. (ex. pixels, mm, cm, inches etc.,)

[Malomalote]

There are a not elegant solution:

You can parse svg string before render.

I explain:

add the following function and auxiliary class:

// ignore_for_file: public_member_api_docs, always_specify_types

///replace style element in svg String
String replaceStyleElement(String input) {
  String transformsvg = input;
  if (input.contains('<style')) {
    final int posInit = input.indexOf('<style');
    final int posEnd = input.indexOf('</style>');
    final String styleString = input
        .substring(posInit, posEnd + '</style>'.length)
        .replaceAllMapped(RegExp('<style.*'), (Match match) => '')
        .replaceAll('</style>', '');
    final List<String> stylesRaw = styleString.split('.');
    final List<Pair<String, String>> styles = [];
    for (String l in stylesRaw) {
      final String first = l.split('{').first;
      final String second = l.split('{').last.split('}').first;
      styles.add(Pair(first, second));
    }
    for (Pair<String, String> j in styles) {
      transformsvg =
          transformsvg.replaceAll('class="${j.first}"', 'style="${j.second}"');
    }
  }
  return transformsvg;
}

//from https://stackoverflow.com/questions/64282563/list-of-tuples-in-flutter-dart
///Simple aux Class Pair
class Pair<T1, T2> {

  Pair(this.first, this.second);
  final T1 first;
  final T2 second;

  @override
  String toString() => 'Pair(a: $first, b: $second)';
}

Then modify the parser.dart file as follow:

line 27.

 SvgParserState(xml.parseEvents(replaceStyleElement(str)), theme, key, warningsAsErrors);

I tried several files and works for my.

Additionally I code a simple app in flutter that allows save the file without the style element:
repository:
https://github.com/Malomalote/svg-replace-style-element

[Malomalote]

I'm sorry the link don't work.
Here the correct link.

https://github.com/Malomalote/svg-replace-style-element

[PureTryOut]

Sadly in my case I have no control over the vector images I'm loading and can thus not rely on removing the <style> tag in advance. This library works and loads the images just fine, they even look fine, but it spits out this warning per image loaded.

I can understand making an entire CSS parser is too much, but can not existing packages like https://pub.dev/packages/csslib be used to accomplish it instead?
If only Flutter had built-in SVG support instead 😢

[Sergio55Veliz]

Just have to export your designs like in the image. The documentation has this section documentation that tells you how to export your design, but the SVG Options windows wasn't the same for me.

[Toothgip]

How have peopl handled this with SvgPicture.network(...) cases?

I found this library for handle network SVG