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Text widget with formatted text using tags. Makes it easier to use formatted text in multilingual applications.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:styled_text/styled_text.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'StyledText Demo',
      theme: ThemeData(
        primarySwatch: Colors.teal,
      ),
      home: DemoPage(),
    );
  }
}

class DemoPage extends StatelessWidget {
  void _alert(BuildContext context, {String text = 'Tapped'}) {
    showDialog<void>(
      context: context,
      builder: (BuildContext context) {
        return AlertDialog(
          content: Text(text),
          actions: <Widget>[
            TextButton(
              child: Text('OK'),
              onPressed: () {
                Navigator.of(context).pop();
              },
            ),
          ],
        );
      },
    );
  }

  void _openLink(BuildContext context, Map<String?, String?> attrs) {
    final String? link = attrs['href'];

    showDialog<void>(
      context: context,
      builder: (BuildContext context) {
        return AlertDialog(
          title: Text('Open Link'),
          content: Text(link ?? 'Unknown link'),
          actions: <Widget>[
            TextButton(
              child: Text('Ok'),
              onPressed: () {
                Navigator.of(context).pop();
              },
            ),
          ],
        );
      },
    );
  }

  @override
  Widget build(BuildContext context) {
    return SelectionArea(
      child: Scaffold(
        appBar: AppBar(
          title: Text('StyledText Demo'),
        ),
        body: Center(
          child: SingleChildScrollView(
            padding: const EdgeInsets.symmetric(vertical: 32),
            child: Column(
              mainAxisAlignment: MainAxisAlignment.center,
              children: <Widget>[
                // Simple formatted text
                StyledText(
                  text: 'Test: <b>bold</b> text.',
                  tags: {
                    'b': StyledTextTag(
                        style: TextStyle(fontWeight: FontWeight.bold)),
                  },
                ),

                // Nested multiple styles
                StyledText(
                  text: 'Test: <b>bold <i>italic</i> bold</b> text.',
                  tags: {
                    'b': StyledTextTag(
                        style: TextStyle(fontWeight: FontWeight.bold)),
                    'i': StyledTextTag(
                        style: TextStyle(fontStyle: FontStyle.italic)),
                  },
                ),

                // Text with quotes
                StyledText(
                  text: 'Quote test: <b>&quot;bold&quot;</b> text.',
                  tags: {
                    'b': StyledTextTag(
                        style: TextStyle(fontWeight: FontWeight.bold)),
                  },
                ),

                // Multiline text without breaks
                const SizedBox(height: 20),
                StyledText(
                  newLineAsBreaks: false,
                  text: """Multiline text 
(wo breaks)""",
                  tags: {
                    'b': StyledTextTag(
                        style: TextStyle(fontWeight: FontWeight.bold)),
                  },
                ),

                // Multiline text with breaks
                const SizedBox(height: 20),
                StyledText(
                  text: """Multiline text
(with breaks)""",
                  tags: {
                    'b': StyledTextTag(
                        style: TextStyle(fontWeight: FontWeight.bold)),
                  },
                ),

                // Text with icon
                const SizedBox(height: 20),
                StyledText(
                  text: 'Text with alarm <alarm/> icon.',
                  tags: {
                    'alarm': StyledTextIconTag(
                      Icons.alarm,
                      color: Colors.teal,
                      size: 18,
                      onTap: (text, attributes) =>
                          _alert(context, text: 'Alarm Tapped'),
                    ),
                  },
                ),

                // Text with icon inside styled text
                const SizedBox(height: 20),
                StyledText(
                  text: 'Text with <red>alarm <alarm/> icon</red>.',
                  tags: {
                    'red': StyledTextTag(style: TextStyle(color: Colors.red)),
                    'alarm': StyledTextIconTag(
                      Icons.alarm,
                      color: Colors.teal,
                      size: 18,
                      onTap: (text, attributes) =>
                          _alert(context, text: 'Alarm Tapped'),
                    ),
                  },
                ),

                // Text with link
                const SizedBox(height: 20),
                StyledText(
                  text:
                      'Text with <link href="https://flutter.dev">link</link> inside.',
                  tags: {
                    'link': StyledTextActionTag(
                      (_, attrs) => _openLink(context, attrs),
                      style: TextStyle(decoration: TextDecoration.underline),
                    ),
                  },
                ),

                // Text with action
                const SizedBox(height: 20),
                StyledText(
                  text:
                      'Text with <action><red>red</red> action</action> inside.',
                  tags: {
                    'red': StyledTextTag(style: TextStyle(color: Colors.red)),
                    'action': StyledTextActionTag(
                      (text, attributes) => _alert(context),
                      style: TextStyle(decoration: TextDecoration.underline),
                    ),
                  },
                ),

                // Text with widget
                const SizedBox(height: 20),
                StyledText(
                  text: 'Text with <input/> inside.',
                  tags: {
                    'input': StyledTextWidgetTag(
                      TextField(
                        decoration: InputDecoration(
                          hintText: 'Input',
                        ),
                      ),
                      size: Size.fromWidth(200),
                      constraints: BoxConstraints.tight(Size(100, 50)),
                    ),
                  },
                ),

                const Divider(height: 40),

                // Selectable text
                StyledText.selectable(
                  text: 'Test: selectable <b>bold</b> text.',
                  tags: {
                    'b': StyledTextTag(
                        style: TextStyle(fontWeight: FontWeight.bold)),
                  },
                ),

                const Divider(height: 40),

                // Text with custom color tag
                StyledText(
                  text:
                      'Text with custom <color text="#ff5500">color</color> text.',
                  tags: {
                    'color': StyledTextCustomTag(
                        baseStyle: TextStyle(fontStyle: FontStyle.italic),
                        parse: (baseStyle, attributes) {
                          if (attributes.containsKey('text') &&
                              (attributes['text']!.substring(0, 1) == '#') &&
                              attributes['text']!.length >= 6) {
                            final String hexColor =
                                attributes['text']!.substring(1);
                            final String alphaChannel = (hexColor.length == 8)
                                ? hexColor.substring(6, 8)
                                : 'FF';
                            final Color color = Color(int.parse(
                                '0x$alphaChannel' + hexColor.substring(0, 6)));
                            return baseStyle?.copyWith(color: color);
                          } else {
                            return baseStyle;
                          }
                        }),
                  },
                ),
              ],
            ),
          ),
        ),
      ),
    );
  }
}
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Publisher

verified publisher iconamazingsoftworks.com

Text widget with formatted text using tags. Makes it easier to use formatted text in multilingual applications.

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Documentation

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License

Icon for licenses.BSD-3-Clause (LICENSE)

Dependencies

flutter, xmlstream

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